/* ==========================================================================
   KATANA DESIGN SYSTEM v3.0 — Startup-Grade Dark Theme
   Inspired by YouDeserve.com.br, Linear.app, Vercel, Stripe
   Dark hero → Light content flow — Bold, clean, confident
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS (Custom Properties)
   -------------------------------------------------------------------------- */
:root {
  /* ── Brand Colors ── */
  --color-primary:        #1B2A4A;
  --color-primary-light:  #243656;
  --color-primary-dark:   #0A0A14;
  --color-secondary:      #DC2626;
  --color-secondary-light:#EF4444;
  --color-secondary-dark: #B91C1C;
  --color-accent:         #2563EB;
  --color-accent-light:   #3B82F6;
  --color-accent-dark:    #1D4ED8;
  --color-success:        #22C55E;
  --color-success-light:  #4ADE80;
  --color-success-dark:   #16A34A;

  /* ── Neutrals ── */
  --color-bg:             #FFFFFF;
  --color-bg-alt:         #F8FAFC;
  --color-bg-dark:        #0A0A14;
  --color-bg-dark-alt:    #111122;
  --color-text:           #1A1A2E;
  --color-text-light:     #64748B;
  --color-text-muted:     #94A3B8;
  --color-text-inverse:   #F8FAFC;
  --color-border:         #E2E8F0;
  --color-border-dark:    #1E1E32;
  --color-card-bg:        #FFFFFF;

  /* ── Shadows (borderless cards rely on these) ── */
  --shadow-xs:   0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-sm:   0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md:   0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg:   0 8px 24px rgba(0, 0, 0, 0.07);
  --shadow-xl:   0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-2xl:  0 24px 48px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 20px 40px rgba(0, 0, 0, 0.10);
  --shadow-primary:   0 8px 30px rgba(27, 42, 74, 0.25);
  --shadow-secondary: 0 8px 30px rgba(220, 38, 38, 0.25);
  --shadow-accent:    0 8px 30px rgba(37, 99, 235, 0.30);

  /* ── Radii ── */
  --radius-xs:   6px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-xl:   20px;
  --radius-2xl:  28px;
  --radius-full: 9999px;

  /* ── Typography ── */
  --font-heading: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent:  'Space Grotesk', 'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* ── Font Weights ── */
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;
  --fw-extrabold: 800;

  /* ── Spacing ── */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-7:  2.5rem;
  --space-8:  3rem;
  --space-9:  4rem;
  --space-10: 5rem;

  /* ── Transitions ── */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ── Z-index Layers ── */
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-nav:       500;
  --z-overlay:   600;
  --z-modal:     700;
  --z-toast:     800;
  --z-whatsapp:  900;

  /* ── Layout ── */
  --nav-height:          80px;
  --nav-height-scrolled: 64px;
  --container-max:       1200px;
  --container-narrow:    800px;
}

/* --------------------------------------------------------------------------
   2. RESET + BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: var(--fw-regular);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

fieldset {
  border: none;
}

::selection {
  background-color: var(--color-accent);
  color: #fff;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-extrabold);
  line-height: 1.12;
  color: var(--color-text);
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: var(--fw-extrabold);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.035em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  letter-spacing: -0.02em;
}

h4 {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 0.875rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.6;
  color: var(--color-text-light);
  font-weight: var(--fw-regular);
}

/* --------------------------------------------------------------------------
   4. LAYOUT
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 2rem;
}

.section {
  padding: clamp(6rem, 12vw, 10rem) 0;
  position: relative;
}

/* Light alt sections */
.section--light {
  background: var(--color-bg-alt);
}

/* Even section rhythm */
.section:nth-child(even):not(.section--dark):not(.section--cta):not(.section--light) {
  background: var(--color-bg);
}

/* Dark sections */
.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark h5,
.section--dark h6 {
  color: var(--color-text-inverse);
}

.section--dark .section__subtitle {
  color: rgba(255, 255, 255, 0.55);
}

.section--dark .section__eyebrow {
  color: var(--color-accent);
}

.section--dark .section__eyebrow::before {
  background: var(--color-accent);
}

/* Section — CTA variant */
.section--cta {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  text-align: center;
  padding: clamp(5rem, 10vw, 8rem) 0;
  position: relative;
  overflow: hidden;
}

.section--cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(37, 99, 235, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(220, 38, 38, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.section--cta::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.25), rgba(220, 38, 38, 0.2), transparent);
}

.section--cta h2 {
  color: var(--color-text-inverse);
}

.section--cta p {
  color: rgba(255, 255, 255, 0.6);
}

/* Section header */
.section__header {
  margin-bottom: 4.5rem;
  max-width: 680px;
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 1.25rem;
}

.section__eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: var(--fw-extrabold);
  color: var(--color-text);
  letter-spacing: -0.035em;
  margin-bottom: 1.25rem;
}

.section--dark .section__title {
  color: var(--color-text-inverse);
}

.section__subtitle {
  max-width: 600px;
  color: var(--color-text-light);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.section__footer {
  text-align: center;
  margin-top: 4rem;
}

/* --------------------------------------------------------------------------
   5. NAVIGATION — Dark Glassmorphic Startup Nav
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 20, 0.6);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition:
    height var(--transition-base),
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.nav--scrolled {
  height: var(--nav-height-scrolled);
  background: rgba(10, 10, 20, 0.88);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  position: relative;
  z-index: calc(var(--z-nav) + 1);
  transition: opacity var(--transition-fast);
}

.nav__logo:hover {
  opacity: 0.8;
}

.nav__logo-img {
  height: 36px;
  width: auto;
  filter: invert(1);
  transition: filter var(--transition-base);
}

/* Scrolled nav has dark bg — keep logo white */
.nav--scrolled .nav__logo-img {
  filter: invert(1);
}

/* Footer logo — always white on dark bg */
.footer__logo-img {
  filter: invert(1);
  transition: filter var(--transition-fast);
}

.footer__logo:hover .footer__logo-img {
  opacity: 0.8;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav__link:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
}

.nav__link--active {
  color: #FFFFFF;
  font-weight: var(--fw-semibold);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.nav__cta {
  margin-left: 1.25rem;
}

/* ── Mobile Hamburger ── */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  cursor: pointer;
  z-index: calc(var(--z-nav) + 2);
  position: relative;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav__toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

.nav__toggle-bar {
  width: 22px;
  height: 2px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav__toggle--open .nav__toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(2.5px, 2.5px);
}

.nav__toggle--open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__toggle--open .nav__toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(2.5px, -2.5px);
}

/* ── Mobile Menu ── */
.nav__mobile {
  display: none;
}

@media (max-width: 1024px) {
  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__mobile {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    height: 100dvh;
    background: rgba(10, 10, 20, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 7rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    box-shadow: -16px 0 48px rgba(0, 0, 0, 0.4);
    z-index: var(--z-nav);
    overflow-y: auto;
  }

  .nav__mobile--open {
    transform: translateX(0);
  }

  .nav__mobile-link {
    display: flex;
    align-items: center;
    padding: 1rem 0;
    font-size: 1.125rem;
    font-weight: var(--fw-medium);
    color: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: color var(--transition-fast), padding-left var(--transition-fast);
  }

  .nav__mobile-link:hover {
    color: #FFFFFF;
    padding-left: 0.5rem;
  }

  .nav__mobile-link--active {
    color: var(--color-accent);
    font-weight: var(--fw-semibold);
  }

  .nav__mobile-cta {
    margin-top: 2rem;
    width: 100%;
    text-align: center;
  }

  .nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: calc(var(--z-nav) - 1);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }

  .nav__overlay--visible {
    opacity: 1;
    visibility: visible;
  }
}

/* --------------------------------------------------------------------------
   6. BUTTONS — Pill-Shaped Startup CTA Style
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8125rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: var(--fw-semibold);
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn i {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Primary — Vibrant blue fill, white text */
.btn-primary {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: #FFFFFF;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
  color: #FFFFFF;
}

/* Secondary — Outline: white on dark, dark on light */
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text);
  background: rgba(26, 26, 46, 0.04);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Secondary on dark backgrounds */
.hero .btn-secondary,
.section--dark .btn-secondary,
.section--cta .btn-secondary,
.page-hero .btn-secondary {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.3);
}

.hero .btn-secondary:hover,
.section--dark .btn-secondary:hover,
.section--cta .btn-secondary:hover,
.page-hero .btn-secondary:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}

/* Accent — Red fill, white text */
.btn-accent {
  background: var(--color-secondary);
  color: #FFFFFF;
  border-color: var(--color-secondary);
  font-weight: var(--fw-bold);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-secondary);
  background: var(--color-secondary-light);
  border-color: var(--color-secondary-light);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-text);
  color: var(--color-text);
  background: rgba(26, 26, 46, 0.03);
}

/* Size variants */
.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
}

.btn--lg {
  padding: 1.0625rem 2.75rem;
  font-size: 1.0625rem;
}

.btn--full {
  width: 100%;
}

/* --------------------------------------------------------------------------
   7. HERO — Solid Dark Background with Subtle Dot Grid
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

/* Hero Background Layers */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Subtle dot grid pattern — NO image */
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 1;
}

/* Very subtle radial glow — no mesh animation */
.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 25% 60%, rgba(37, 99, 235, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 75% 30%, rgba(220, 38, 38, 0.04) 0%, transparent 50%);
}

/* Interactive parallax orbs — mouse-tracking ambient glow */
.hero__orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: visible;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 1.2s ease;
  will-change: transform;
}

.hero__orb--loaded {
  opacity: 1;
}

/* Orb 1 — Large blue glow, left area */
.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: rgba(37, 99, 235, 0.15);
  filter: blur(100px);
  top: -10%;
  left: 5%;
}

/* Orb 2 — Medium cyan, upper-right */
.hero__orb--2 {
  width: 450px;
  height: 450px;
  background: rgba(59, 130, 246, 0.12);
  filter: blur(80px);
  top: -15%;
  right: 10%;
}

/* Orb 3 — Red accent glow, bottom area */
.hero__orb--3 {
  width: 400px;
  height: 400px;
  background: rgba(220, 38, 38, 0.08);
  filter: blur(90px);
  bottom: -10%;
  left: 40%;
}

/* Orb 4 — Bright concentrated blue, mid-right */
.hero__orb--4 {
  width: 300px;
  height: 300px;
  background: rgba(37, 99, 235, 0.2);
  filter: blur(70px);
  top: 30%;
  right: 15%;
}

/* Subtle noise overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.25;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 4rem;
  padding: 5rem 0;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  flex: 1;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 2rem;
  padding: 0.5rem 1.25rem;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-full);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: var(--fw-extrabold);
  line-height: 1.04;
  letter-spacing: -0.045em;
  color: #FFFFFF;
  margin-bottom: 2rem;
}

.hero__subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.8;
  margin-bottom: 3rem;
  max-width: 540px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.hero__image {
  flex: 0 0 auto;
  max-width: 440px;
  position: relative;
}

.hero__image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
}

.hero__image::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: calc(var(--radius-xl) + 10px);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(220, 38, 38, 0.10));
  z-index: -1;
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   8. PAIN CARDS — Clean White Cards, No Borders
   -------------------------------------------------------------------------- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.pain-card {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2.25rem;
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  border: none;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--color-secondary), var(--color-accent));
  border-radius: 0 0 3px 0;
  transition: height var(--transition-slow);
}

.pain-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.pain-card:hover::before {
  height: 100%;
}

.pain-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: rgba(220, 38, 38, 0.06);
  color: var(--color-secondary);
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.pain-card__icon i,
.pain-card__icon svg {
  width: 24px;
  height: 24px;
}

.pain-card:hover .pain-card__icon {
  background: var(--color-secondary);
  transform: scale(1.05);
}

.pain-card:hover .pain-card__icon i,
.pain-card:hover .pain-card__icon svg {
  color: #FFFFFF;
}

.pain-card h3 {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: var(--fw-bold);
  margin-bottom: 0.5rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.pain-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   9. SERVICE CARDS — Home Page Grid
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2.25rem;
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  border: none;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-xl);
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
}

.service-card__icon i,
.service-card__icon svg {
  width: 26px;
  height: 26px;
  transition: color var(--transition-base);
}

.service-card:hover .service-card__icon {
  background: var(--color-accent);
  transform: scale(1.08);
}

.service-card:hover .service-card__icon i,
.service-card:hover .service-card__icon svg {
  color: #FFFFFF;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  margin-bottom: 0.75rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: var(--fw-semibold);
  color: var(--color-accent-dark);
  transition: gap var(--transition-base), color var(--transition-fast);
}

.service-card__link:hover {
  gap: 0.75rem;
  color: var(--color-accent);
}

.service-card__link i {
  width: 16px;
  height: 16px;
}

/* --------------------------------------------------------------------------
   10. STATS / COUNTERS — Dark Section, Big White Numbers
/* --------------------------------------------------------------------------
   10. NOSSA HISTÓRIA — Split Layout: Story + Stats
   -------------------------------------------------------------------------- */
.history-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.history-block__content .section__eyebrow {
  margin-bottom: 0.75rem;
}

.history-block__content .section__title {
  text-align: left;
  margin-bottom: 2rem;
}

.history-block__lead {
  font-size: 1.125rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.25rem;
}

.history-block__lead strong {
  color: var(--color-accent-light);
  font-weight: var(--fw-semibold);
}

.history-block__text {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1rem;
}

.history-block__text strong {
  color: rgba(255, 255, 255, 0.85);
  font-weight: var(--fw-semibold);
}

/* Stats column — stacked cards */
.history-block__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.history-stat {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.history-stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 0 0 4px 4px;
  opacity: 0;
  transition: all var(--transition-base);
}

.history-stat:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(37, 99, 235, 0.2);
  transform: translateY(-4px);
}

.history-stat:hover::before {
  opacity: 1;
}

.history-stat__number {
  font-family: var(--font-accent);
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: var(--fw-extrabold);
  line-height: 1;
  margin-bottom: 0.5rem;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  display: block;
}

.history-stat__label {
  font-size: 0.875rem;
  color: var(--color-accent-light);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  display: block;
  margin-bottom: 0.375rem;
}

.history-stat__desc {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.4;
  display: block;
}

/* Responsive: stack on mobile */
@media (max-width: 768px) {
  .history-block {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .history-block__content .section__title {
    text-align: center;
  }

  .history-block__content .section__eyebrow {
    text-align: center;
    display: block;
  }

  .history-block__content {
    text-align: center;
  }

  .history-block__stats {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

/* --------------------------------------------------------------------------
   11. METHODOLOGY — Steps with Connecting Line
   -------------------------------------------------------------------------- */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

/* Connecting line */
.methodology-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 1rem);
  right: calc(12.5% + 1rem);
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--color-border),
    var(--color-accent) 30%,
    var(--color-secondary) 70%,
    var(--color-border)
  );
  opacity: 0.3;
  z-index: 0;
}

.methodology-step {
  text-align: center;
  position: relative;
  padding-top: 0;
}

.methodology-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  margin-bottom: 1.75rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(27, 42, 74, 0.25);
  transition: all var(--transition-base);
}

.methodology-step:hover .methodology-step__number {
  background: var(--color-accent);
  color: #FFFFFF;
  transform: scale(1.08);
  box-shadow: var(--shadow-accent);
}

.methodology-step h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.methodology-step p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   12. BLOG CARDS — Modern Editorial, No Borders
   -------------------------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.blog-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  border: none;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.blog-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  display: block;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.06);
}

.blog-card__body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__category {
  display: inline-block;
  padding: 0.25rem 0.875rem;
  font-size: 0.6875rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  align-self: flex-start;
}

.blog-card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  margin-bottom: 0.75rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.blog-card__title a {
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.blog-card__title a:hover {
  color: var(--color-accent-dark);
}

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding-top: 1.25rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.blog-card__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.blog-card__meta i {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------------------------
   13. CTA CONTENT — Centered CTA Block
   -------------------------------------------------------------------------- */
.cta-content {
  max-width: 660px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: var(--fw-extrabold);
  margin-bottom: 1.25rem;
  color: var(--color-text-inverse);
  letter-spacing: -0.035em;
}

.cta-content p {
  font-size: 1.0625rem;
  margin-bottom: 2.5rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
}

.cta-content__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   14. PAGE HERO — Inner Pages, Solid Dark, No Image
   -------------------------------------------------------------------------- */
.page-hero {
  padding: clamp(7rem, 14vw, 12rem) 0 clamp(4rem, 8vw, 6rem);
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Dot grid pattern — NO image */
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Subtle radial glow */
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 50% 80%, rgba(37, 99, 235, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 70% 20%, rgba(220, 38, 38, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.page-hero--compact {
  padding: clamp(6rem, 12vw, 10rem) 0 clamp(3rem, 6vw, 5rem);
}

.page-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: var(--fw-extrabold);
  margin-bottom: 1.25rem;
  letter-spacing: -0.045em;
  color: var(--color-text-inverse);
  position: relative;
  z-index: 2;
}

.page-hero__lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.55);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.75;
  position: relative;
  z-index: 2;
}

/* --------------------------------------------------------------------------
   15. ABOUT PAGE — Split Layout, Values, Differentials
   -------------------------------------------------------------------------- */

/* About Split */
.about-split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-split__content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: var(--fw-extrabold);
  color: var(--color-text);
  margin-bottom: 1.5rem;
  letter-spacing: -0.035em;
}

.about-split__content p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.about-split__content p:last-child {
  margin-bottom: 0;
}

.about-split__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-split__image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  transition: transform var(--transition-slow);
}

.about-split__image:hover img {
  transform: scale(1.02);
}

.about-split__image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(37, 99, 235, 0.08);
  pointer-events: none;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 0;
}

.value-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-card);
  border: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.value-card:hover::before {
  transform: scaleX(1);
}

.value-card__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  background: rgba(37, 99, 235, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
}

.value-card__icon i,
.value-card__icon svg {
  width: 26px;
  height: 26px;
  color: var(--color-accent-dark);
}

.value-card:hover .value-card__icon {
  background: var(--color-accent);
  transform: scale(1.05);
}

.value-card:hover .value-card__icon i,
.value-card:hover .value-card__icon svg {
  color: #FFFFFF;
}

.value-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.value-card p {
  color: var(--color-text-light);
  line-height: 1.75;
  font-size: 0.9375rem;
}

.value-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.value-card__list li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0;
  color: var(--color-text);
  font-size: 0.9375rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  transition: padding-left var(--transition-fast);
}

.value-card__list li:last-child {
  border-bottom: none;
}

.value-card__list li:hover {
  padding-left: 0.25rem;
}

.value-card__list li i {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Differentials Grid */
.differentials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 0;
}

.differential-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  border: none;
  transition: all var(--transition-base);
}

.differential-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  transition: width var(--transition-slow);
}

.differential-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.differential-card:hover::before {
  width: 100%;
}

.differential-card__number {
  font-family: var(--font-accent);
  font-size: 3.5rem;
  font-weight: var(--fw-extrabold);
  line-height: 1;
  position: absolute;
  top: 1.25rem;
  right: 1.75rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(220, 38, 38, 0.06));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.differential-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: 0.75rem;
  position: relative;
  letter-spacing: -0.01em;
}

.differential-card p {
  color: var(--color-text-light);
  line-height: 1.75;
  font-size: 0.9375rem;
  position: relative;
}

/* --------------------------------------------------------------------------
   16. SERVICE DETAIL — Services Page
   -------------------------------------------------------------------------- */
.services-detail-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.service-detail {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2.5rem;
  padding: 2.75rem;
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  border: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-detail::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-detail:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.service-detail:hover::before {
  opacity: 1;
}

.service-detail__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  background: rgba(37, 99, 235, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.service-detail:hover .service-detail__icon {
  background: var(--color-accent);
  transform: scale(1.08);
}

.service-detail__icon i,
.service-detail__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  transition: color var(--transition-base);
}

.service-detail:hover .service-detail__icon i,
.service-detail:hover .service-detail__icon svg {
  color: #FFFFFF;
}

.service-detail__content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.service-detail__content p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.service-detail__benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0.5rem;
}

.service-detail__benefits li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: var(--color-text);
  padding: 0.5rem 0;
}

.service-detail__benefits li i {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   17. CONTACT PAGE — Form + Info Sidebar
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-grid__form h2,
.contact-grid__info h2 {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

/* Contact Form */
.contact-form {
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: var(--fw-medium);
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1.125rem;
  font-size: 0.9375rem;
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  background: var(--color-card-bg);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* Contact Info Card */
.contact-info-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  align-items: center;
  transition: all var(--transition-fast);
  border: none;
  box-shadow: var(--shadow-sm);
}

.contact-info-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.contact-info-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.contact-info-card__icon i,
.contact-info-card__icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.contact-info-card__icon--whatsapp {
  background: #25D366;
}

.contact-info-card__icon--whatsapp i,
.contact-info-card__icon--whatsapp svg {
  color: #fff;
}

.contact-info-card__content h4 {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.125rem;
}

.contact-info-card__content p,
.contact-info-card__content a {
  font-size: 0.9375rem;
  color: var(--color-text);
}

.contact-info-card__content a:hover {
  color: var(--color-accent-dark);
}

/* Contact Social */
.contact-social {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.contact-social h4 {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.contact-social__links {
  display: flex;
  gap: 0.75rem;
}

.contact-social__link {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  color: var(--color-text-light);
  box-shadow: var(--shadow-sm);
}

.contact-social__link:hover {
  background: var(--color-primary);
  color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.contact-social__link i {
  width: 20px;
  height: 20px;
}

/* --------------------------------------------------------------------------
   18. FOOTER — Very Dark, Clean, Spacious
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding-top: 6rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), rgba(220, 38, 38, 0.15), transparent);
}

.footer::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 4rem;
  position: relative;
  z-index: 1;
}

.footer__col {
  min-width: 0;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-accent);
  font-size: 1.375rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  transition: color var(--transition-fast);
}

.footer__logo:hover {
  color: var(--color-accent);
}

.footer__about {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}

.footer__social {
  display: flex;
  gap: 0.75rem;
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

.footer__social-link i {
  width: 18px;
  height: 18px;
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: var(--fw-semibold);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer__heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer__link {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.4);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
}

.footer__link:hover {
  color: var(--color-accent);
  transform: translateX(3px);
}

.footer__post {
  display: block;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform var(--transition-fast);
}

.footer__post:hover {
  transform: translateX(3px);
}

.footer__post:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.footer__post-title {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.55);
  font-weight: var(--fw-medium);
  line-height: 1.5;
  transition: color var(--transition-fast);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.footer__post:hover .footer__post-title {
  color: var(--color-accent);
}

.footer__post-date {
  display: block;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
  margin-top: 0.375rem;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer__contact-item i {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
}

/* Newsletter */
.footer__newsletter {
  margin-top: 1.5rem;
}

.footer__newsletter-form {
  display: flex;
  gap: 0;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__newsletter-input {
  flex: 1;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: none;
  color: #fff;
  font-size: 0.875rem;
  outline: none;
  transition: background var(--transition-fast);
  border-radius: 0;
}

.footer__newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.footer__newsletter-input:focus {
  background: rgba(255, 255, 255, 0.08);
}

.footer__newsletter-btn {
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: #FFFFFF;
  border: none;
  font-weight: var(--fw-bold);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.footer__newsletter-btn:hover {
  background: var(--color-accent-light);
}

/* Footer bottom bar */
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}

.footer__copyright {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.3);
}

.footer__brand {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.3);
}

.footer__brand a {
  color: var(--color-accent);
  font-weight: var(--fw-medium);
  transition: color var(--transition-fast);
}

.footer__brand a:hover {
  color: var(--color-accent-light);
}

/* --------------------------------------------------------------------------
   19. WHATSAPP FLOAT — Premium Floating Button
   -------------------------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: var(--z-whatsapp);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.whatsapp-float__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: #25D366;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  transition: all var(--transition-base);
  animation: whatsappPulse 3s ease-in-out infinite;
}

.whatsapp-float__btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45);
  animation: none;
}

.whatsapp-float__btn i {
  width: 28px;
  height: 28px;
}

.whatsapp-float__tooltip {
  padding: 0.5rem 1rem;
  background: var(--color-card-bg);
  color: var(--color-text);
  font-size: 0.8125rem;
  font-weight: var(--fw-medium);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35); }
  50% { box-shadow: 0 4px 28px rgba(37, 211, 102, 0.5), 0 0 0 14px rgba(37, 211, 102, 0.06); }
}

/* --------------------------------------------------------------------------
   20. BACK TO TOP — Minimal Scroll Button
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  right: auto;
  z-index: var(--z-sticky);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-card-bg);
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-text-light);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  cursor: pointer;
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.back-to-top i {
  width: 20px;
  height: 20px;
}

/* --------------------------------------------------------------------------
   21. ANIMATIONS — Scroll Reveal & Stagger
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll reveal classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal--visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger-children--visible > *:nth-child(1) { transition-delay: 0ms;   opacity: 1; transform: translateY(0); }
.stagger-children--visible > *:nth-child(2) { transition-delay: 80ms;  opacity: 1; transform: translateY(0); }
.stagger-children--visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: translateY(0); }
.stagger-children--visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: translateY(0); }
.stagger-children--visible > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: translateY(0); }
.stagger-children--visible > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }
.stagger-children--visible > *:nth-child(7) { transition-delay: 480ms; opacity: 1; transform: translateY(0); }
.stagger-children--visible > *:nth-child(8) { transition-delay: 560ms; opacity: 1; transform: translateY(0); }

/* --------------------------------------------------------------------------
   22. TOAST NOTIFICATIONS
   -------------------------------------------------------------------------- */
.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--color-primary);
  min-width: 300px;
  max-width: 420px;
  animation: slideDown 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: fixed;
  top: calc(var(--nav-height) + 1rem);
  right: 1.5rem;
  z-index: var(--z-toast);
}

.toast--success {
  border-left-color: var(--color-accent);
}

.toast--error {
  border-left-color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   23. UTILITY CLASSES
   -------------------------------------------------------------------------- */

/* Text */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-light); }

/* Margins */
.mt-4 { margin-top: 1.5rem; }

/* Badges */
.category-badge,
.badge {
  display: inline-block;
  padding: 0.25rem 0.875rem;
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge--success {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-accent-dark);
}

.badge--warning {
  background: rgba(245, 158, 11, 0.1);
  color: #D97706;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --------------------------------------------------------------------------
   24. RESPONSIVE — Mobile-First Breakpoints
   -------------------------------------------------------------------------- */

/* ── Tablet (≤1024px) ── */
@media (max-width: 1024px) {
  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stat-counter::after {
    display: none;
  }

  .methodology-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }

  .methodology-grid::before {
    display: none;
  }

  .blog-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .differentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Mobile (≤768px) ── */
@media (max-width: 768px) {
  :root {
    --nav-height: 68px;
    --nav-height-scrolled: 56px;
  }

  .section {
    padding: 5rem 0;
  }

  .container {
    padding-inline: 1.25rem;
  }

  .section__header {
    margin-bottom: 3rem;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + 3rem);
    padding-bottom: 4rem;
  }

  .hero__inner {
    flex-direction: column;
    padding: 2rem 0;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__ctas .btn {
    text-align: center;
    justify-content: center;
  }

  .hero__image {
    max-width: 100%;
  }

  .pain-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .methodology-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .blog-grid,
  .blog-grid--3 {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .differentials-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .cta-content__buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .service-detail__icon {
    width: 56px;
    height: 56px;
  }

  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
  }

  .whatsapp-float__tooltip {
    display: none;
  }

  .back-to-top {
    left: 1.25rem;
    right: auto;
    bottom: 2rem;
  }

  .page-hero h1 {
    font-size: 2rem;
  }
}

/* ── Small Mobile (≤480px) ── */
@media (max-width: 480px) {
  .hero__title {
    font-size: 2.25rem;
  }

  .stat-counter__number {
    font-size: 2.5rem;
  }

  .section__title {
    font-size: 1.5rem;
  }

  .btn--lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
  }
}

/* --------------------------------------------------------------------------
   25. REDUCED MOTION — Accessibility
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .stagger-children > * {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   26. PRINT STYLES
   -------------------------------------------------------------------------- */
@media print {
  .nav,
  .whatsapp-float,
  .back-to-top,
  .footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 12pt;
  }

  .section {
    padding: 1rem 0;
  }

  .section--dark,
  .section--cta {
    background: #fff;
    color: #000;
  }
}