/* ============================================================
   SISOA CONSULTORA — Design System & Styles
   Aesthetic: Corporate-but-Cool × Editorial
   ============================================================ */

/* --- DESIGN TOKENS --- */
:root {
  /* Color: SISOA brand — navy blue + teal + gold */
  --hue-primary: 213;
  --color-primary: #0B3A70;
  --color-primary-mid: #134E8A;
  --color-primary-light: #2A6CB0;

  --color-accent: #C9A64A;
  --color-accent-hover: #B8933D;
  --color-accent-soft: hsl(43 45% 92%);

  --color-secondary: #087C77;
  --color-secondary-soft: hsl(178 40% 92%);

  --color-tertiary: #0B8E85;
  --color-tertiary-soft: hsl(176 35% 93%);

  --color-surface: hsl(210 20% 97%);
  --color-surface-warm: hsl(43 25% 95%);
  --color-white: hsl(210 30% 99%);
  --color-text: hsl(213 30% 16%);
  --color-text-muted: hsl(213 12% 48%);
  --color-text-light: hsl(213 15% 65%);
  --color-border: hsl(213 15% 88%);
  --color-border-light: hsl(213 10% 93%);

  /* Typography */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Modular scale: 1.25 (major third) */
  --text-xs: 0.64rem;
  --text-sm: 0.8rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.563rem;
  --text-2xl: 1.953rem;
  --text-3xl: 2.441rem;
  --text-4xl: 3.052rem;
  --text-5xl: 3.815rem;

  /* Spacing: 4px base, but varied */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Radius: mostly sharp, rounded only for specific elements */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 100px;

  /* Shadows: layered + tinted */
  --shadow-sm:
    0 1px 2px hsl(213 60% 20% / 0.04),
    0 2px 4px hsl(213 60% 20% / 0.06);
  --shadow-md:
    0 2px 4px hsl(213 60% 20% / 0.03),
    0 6px 12px hsl(213 60% 20% / 0.06),
    0 16px 32px hsl(213 60% 20% / 0.04);
  --shadow-lg:
    0 4px 8px hsl(213 60% 20% / 0.03),
    0 12px 24px hsl(213 60% 20% / 0.05),
    0 32px 64px hsl(213 60% 20% / 0.06);
  --shadow-accent:
    0 4px 12px hsl(43 55% 54% / 0.2),
    0 12px 32px hsl(43 55% 54% / 0.12);

  /* Animation */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-slower: 800ms;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-white);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.1;
  text-wrap: balance;
  letter-spacing: -0.02em;
}

p { max-width: 62ch; text-wrap: pretty; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: hsl(210 20% 12% / 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid hsl(213 30% 22% / 0.5);
  transition: background var(--duration-normal);
}

.nav__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__logo-image {
  display: block;
  width: 148px;
  height: auto;
}

.nav__logo-image--footer {
  width: 170px;
  filter: brightness(0) invert(1);
}

.nav__logo-mark-svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: hsl(213 15% 75%);
  transition: color var(--duration-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav__link:hover {
  color: var(--color-white);
}

.nav__link:hover::after {
  width: 100%;
}

/* Nav logo group */
.nav__logo-group {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav__logo-sub {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-secondary);
  letter-spacing: 0.04em;
}

/* Nav dropdowns */
.nav__dropdown {
  position: relative;
}

.nav__link--has-dropdown {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav__chevron {
  transition: transform var(--duration-fast);
  flex-shrink: 0;
}

.nav__dropdown:hover .nav__chevron {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: hsl(210 20% 12% / 0.98);
  backdrop-filter: blur(16px);
  border: 1px solid hsl(213 40% 25%);
  border-radius: var(--radius-md);
  padding: var(--space-xs) 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-fast), visibility var(--duration-fast), transform var(--duration-fast);
  pointer-events: none;
  box-shadow: var(--shadow-lg);
}

.nav__dropdown:hover .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.nav__dropdown-link {
  display: block;
  padding: var(--space-xs) var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: hsl(213 15% 70%);
  transition: color var(--duration-fast), background var(--duration-fast);
}

.nav__dropdown-link:hover {
  color: var(--color-white);
  background: hsl(213 50% 22%);
}

.nav__link--cta {
  background: var(--color-accent);
  color: var(--color-primary) !important;
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-fast);
}

.nav__link--cta::after { display: none; }

.nav__link--cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: hsl(213 15% 75%);
  border-radius: 2px;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-fast);
}

.nav__burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__burger.active span:nth-child(2) {
  opacity: 0;
}
.nav__burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(5rem + var(--space-3xl)) var(--space-xl) var(--space-3xl);
  background: var(--color-primary);
  color: var(--color-white);
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(hsl(213 50% 22% / 0.4) 1px, transparent 1px),
    linear-gradient(90deg, hsl(213 50% 22% / 0.4) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 30% 40%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 40%, black 0%, transparent 70%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse, hsl(43 55% 54% / 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 40%;
  height: 50%;
  background: radial-gradient(ellipse, hsl(178 88% 26% / 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.hero__tag {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.tag {
  display: inline-block;
  padding: var(--space-2xs) var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-xs);
}

.tag--accent {
  background: hsl(43 55% 54% / 0.15);
  color: var(--color-accent);
  border: 1px solid hsl(43 55% 54% / 0.3);
}

.tag--secondary {
  background: hsl(178 88% 26% / 0.15);
  color: hsl(178 65% 50%);
  border: 1px solid hsl(178 88% 26% / 0.3);
}

.tag--tertiary {
  background: hsl(176 85% 30% / 0.15);
  color: hsl(176 65% 50%);
  border: 1px solid hsl(176 85% 30% / 0.3);
}

.hero__title {
  font-size: clamp(var(--text-3xl), 6vw, var(--text-5xl));
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
  max-width: 18ch;
}

.hero__title-highlight {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: hsl(213 15% 65%);
  max-width: 48ch;
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-normal),
              background var(--duration-fast),
              color var(--duration-fast);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-primary);
}

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

.btn--ghost {
  background: transparent;
  color: hsl(213 15% 75%);
  border: 1px solid hsl(213 40% 30%);
}

.btn--ghost:hover {
  color: var(--color-white);
  border-color: hsl(213 40% 45%);
  background: hsl(213 60% 20% / 0.5);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
  padding: var(--space-sm) var(--space-2xl);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--sm {
  font-size: var(--text-sm);
  padding: var(--space-xs) var(--space-lg);
}

.btn--full {
  width: 100%;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
}

/* Hero stats */
.hero__proof {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid hsl(213 40% 25%);
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: hsl(213 12% 50%);
  max-width: 16ch;
}

.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: hsl(213 40% 25%);
}

/* Hero widget */
.hero__widget {
  position: absolute;
  right: var(--space-xl);
  top: 50%;
  transform: translateY(-50%);
  width: 300px;
  background: hsl(213 50% 16% / 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid hsl(213 40% 28%);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.hero__widget-header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero__widget-header svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.hero__widget-desc {
  font-size: var(--text-sm);
  color: hsl(213 15% 60%);
  line-height: 1.5;
  margin-bottom: var(--space-lg);
}

.hero__widget-preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.hero__widget-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  background: hsl(213 50% 22%);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: hsl(213 15% 70%);
}

.hero__widget-bar--accent {
  background: hsl(0 60% 30% / 0.4);
  border-left: 3px solid hsl(0 65% 55%);
  color: hsl(0 70% 75%);
}

.hero__widget-btn {
  width: 100%;
  justify-content: center;
}

/* Hero scroll hint */
.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: hsl(213 12% 45%);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: float 2.5s var(--ease-in-out) infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* --- SECTION HEADERS --- */
.section__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.section__label--light {
  color: hsl(213 15% 60%);
}

.section__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-lg);
}

.section__desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
}

.section__header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  margin-bottom: var(--space-3xl);
}

/* --- SERVICES --- */
.services {
  padding: var(--space-5xl) 0 var(--space-4xl);
}

.services__grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: var(--space-2xl);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-normal),
              box-shadow var(--duration-normal),
              transform var(--duration-normal) var(--ease-out);
  position: relative;
}

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

.service-card--featured {
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary-light);
  margin-bottom: var(--space-lg);
}

.service-card__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.service-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.service-card__desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-lg);
}

.service-card__list {
  margin-bottom: var(--space-xl);
}

.service-card__list li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border-light);
  padding-left: var(--space-md);
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 1.5px;
  background: var(--color-accent);
}

.service-card__link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  transition: color var(--duration-fast);
}

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

/* --- DIFFERENTIATOR --- */
.differentiator {
  background: hsl(213 50% 18%);
  color: var(--color-white);
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.differentiator::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background:
    radial-gradient(ellipse at 80% 30%, hsl(43 55% 54% / 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, hsl(178 88% 26% / 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.differentiator__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
}

.differentiator__title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-3xl));
  margin-bottom: var(--space-2xl);
}

.differentiator__points {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.diff-point {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.diff-point__number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.05em;
  padding-top: 3px;
  flex-shrink: 0;
}

.diff-point__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.diff-point__desc {
  color: hsl(213 15% 68%);
  font-size: var(--text-base);
  line-height: 1.65;
}

/* Results visual */
.results-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  align-items: start;
}

.results-stat {
  background: hsl(213 50% 22%);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  border: 1px solid hsl(213 40% 28%);
}

.results-stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: var(--space-xs);
}

.results-stat__label {
  font-size: var(--text-sm);
  color: hsl(213 15% 70%);
  line-height: 1.4;
}

.results-card {
  grid-column: 1 / -1;
  background: hsl(213 55% 22%);
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.results-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.results-card li {
  font-size: var(--text-base);
  padding: var(--space-sm) 0;
  color: hsl(213 10% 82%);
  padding-left: var(--space-lg);
  position: relative;
  line-height: 1.5;
}

.results-card li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: 700;
}

/* --- RESOURCES --- */
.resources {
  padding: var(--space-5xl) 0 var(--space-4xl);
  background: var(--color-surface);
}

.resources__grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: auto;
  gap: var(--space-md);
}

.resource-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  padding: var(--space-xl);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-normal),
              box-shadow var(--duration-normal),
              transform var(--duration-normal) var(--ease-out);
}

.resource-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.resource-card__type {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-xs);
  margin-bottom: var(--space-md);
  background: var(--color-accent-soft);
  color: hsl(43 55% 35%);
}

.resource-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: var(--space-sm);
  flex-grow: 1;
}

.resource-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
}

.resource-card__cta {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  transition: color var(--duration-fast);
}

.resource-card:hover .resource-card__cta {
  color: var(--color-accent-hover);
}

.resources__more {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* --- TOOLS --- */
.tools {
  padding: var(--space-5xl) 0 var(--space-4xl);
}

.tools__showcase {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: var(--space-lg);
  align-items: stretch;
}

.tool-card {
  background: var(--color-primary);
  color: var(--color-white);
  border: 1px solid transparent;
  padding: var(--space-2xl);
  border-radius: var(--radius-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal);
}

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

.tool-card__badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-2xs) var(--space-sm);
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: var(--radius-xs);
  font-weight: 600;
}

.tool-card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-xl);
  color: var(--color-accent);
}

.tool-card__icon svg {
  width: 100%;
  height: 100%;
}

.tool-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-md);
  line-height: 1.25;
  color: var(--color-white);
}

.tool-card__desc {
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  color: hsl(213 15% 65%);
}

.tool-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* --- CONTACT --- */
.contact {
  background: var(--color-surface-warm);
  padding: var(--space-5xl) 0;
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--color-border) 0.8px, transparent 0.8px);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
}

.contact__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: start;
  position: relative;
}

.contact__title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-3xl));
  margin-bottom: var(--space-lg);
}

.contact__desc {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.6;
}

.contact__form {
  background: var(--color-white);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.form-group label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  padding: var(--space-sm) var(--space-md);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--duration-fast),
              box-shadow var(--duration-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px hsl(43 55% 54% / 0.12);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  text-align: center;
  margin-top: var(--space-xs);
}

.privacy-consent {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: var(--space-xs);
  align-items: start;
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-text-muted);
}

.privacy-consent input {
  width: 16px;
  height: 16px;
  margin-top: 0.15rem;
  accent-color: var(--color-accent);
}

.privacy-consent a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.privacy-consent--dark {
  max-width: 460px;
  margin: 0 auto;
  color: hsl(213 15% 70%);
  text-align: left;
}

.privacy-consent--dark a {
  color: #C9A64A;
}

/* --- FOOTER --- */
.footer {
  background: hsl(210 25% 10%);
  color: hsl(213 15% 65%);
  padding-top: var(--space-4xl);
}

.footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-3xl);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
}

.footer .nav__logo-sub {
  color: var(--color-secondary);
}

.footer__links {
  display: contents;
}

.footer__tagline {
  font-size: var(--text-sm);
  margin-top: var(--space-md);
  max-width: 32ch;
  color: hsl(213 12% 55%);
  line-height: 1.6;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: hsl(213 15% 75%);
  margin-bottom: var(--space-md);
  letter-spacing: 0;
}

.footer__col a,
.footer__col span {
  display: block;
  font-size: var(--text-sm);
  padding: var(--space-2xs) 0;
}

.footer__col a {
  transition: color var(--duration-fast);
}

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

.footer__bottom {
  border-top: 1px solid hsl(213 40% 22%);
  padding: var(--space-lg) var(--space-xl);
  max-width: 1280px;
  margin: 0 auto;
}

.footer__bottom p {
  font-size: var(--text-xs);
  color: hsl(213 12% 40%);
}

.footer__bottom a {
  color: hsl(213 15% 65%);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- SCROLL REVEAL ANIMATIONS --- */
.reveal-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 100ms; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 200ms; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 300ms; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 400ms; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 500ms; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- RESPONSIVE --- */
@media (max-width: 1200px) {
  .hero__widget {
    display: none;
  }
}

@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .differentiator__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .footer__links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: hsl(213 82% 24% / 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: var(--space-lg) var(--space-xl);
    gap: var(--space-sm);
    border-bottom: 1px solid hsl(213 40% 25%);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__burger {
    display: flex;
  }

  .nav__dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: transparent;
    backdrop-filter: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0 0 0 var(--space-lg);
    min-width: 0;
    display: none;
  }

  .nav__dropdown.open .nav__dropdown-menu {
    display: block;
  }

  .nav__dropdown-link {
    padding: var(--space-2xs) 0;
    font-size: var(--text-xs);
    color: hsl(213 15% 55%);
  }

  .nav__link--cta {
    text-align: center;
    margin-top: var(--space-sm);
  }

  .hero__title {
    max-width: 100%;
  }

  .hero__proof {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
  }

  .hero__stat-divider {
    width: 40px;
    height: 1px;
  }

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

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

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

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

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

  .hero__actions {
    flex-direction: column;
  }

  .btn--full-mobile {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xl: 1.5rem;
  }

  .hero {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .section__header,
  .services__grid,
  .resources__grid,
  .tools__showcase,
  .contact__inner,
  .footer__inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .contact__form {
    padding: var(--space-lg);
  }
}