/* ============================================================
   GO1ADS — Premium Design System
   Deep Navy + Vibrant Orange + Glassmorphism
   Mobile-First Responsive
   ============================================================ */

/* ---- CSS Custom Properties / Design Tokens ---- */
:root {
  /* Colors */
  --clr-navy-900: #060D18;
  --clr-navy-800: #0A1628;
  --clr-navy-700: #0F1F38;
  --clr-navy-600: #152A4A;
  --clr-navy-500: #1E3A5F;
  --clr-navy-400: #2A4D7A;

  --clr-orange-500: #FF6B2C;
  --clr-orange-400: #FF8A56;
  --clr-orange-600: #E85A1E;
  --clr-orange-glow: rgba(255, 107, 44, 0.25);

  --clr-teal-500: #00D4AA;
  --clr-teal-400: #33DDBB;
  --clr-teal-glow: rgba(0, 212, 170, 0.2);

  --clr-white: #FFFFFF;
  --clr-gray-100: #F0F2F5;
  --clr-gray-200: #D5DAE1;
  --clr-gray-400: #8892A0;
  --clr-gray-500: #6B7280;
  --clr-gray-600: #4B5563;

  /* Glassmorphism */
  --glass-bg: rgba(15, 31, 56, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 20px;
  --glass-bg-light: rgba(255, 255, 255, 0.04);

  /* Typography */
  --font-primary: 'Inter', 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, sans-serif;
  --fs-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --fs-sm: clamp(0.8125rem, 0.75rem + 0.3125vw, 0.9375rem);
  --fs-base: clamp(0.9375rem, 0.85rem + 0.4375vw, 1.0625rem);
  --fs-md: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  --fs-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --fs-xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  --fs-2xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --fs-3xl: clamp(2.5rem, 1.8rem + 3.5vw, 4rem);
  --fs-4xl: clamp(3rem, 2rem + 5vw, 5rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 200ms;
  --duration-base: 350ms;
  --duration-slow: 600ms;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.3);
  --shadow-orange: 0 4px 30px rgba(255, 107, 44, 0.35);
  --shadow-teal: 0 4px 30px rgba(0, 212, 170, 0.25);

  /* Layout */
  --container-max: 1200px;
  --navbar-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--clr-gray-200);
  background-color: var(--clr-navy-900);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ---- Utility ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ---- Scroll Progress ---- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--clr-orange-500), var(--clr-teal-500));
  z-index: 10001;
  transition: width 50ms linear;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  z-index: 10000;
  transition: background var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.navbar.scrolled {
  background: rgba(6, 13, 24, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--glass-border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo-text {
  font-size: var(--fs-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--clr-white);
}

.logo-accent {
  color: var(--clr-orange-500);
}

/* Nav Links */
.navbar__links {
  display: flex;
  gap: var(--space-xl);
}

.nav-link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-gray-400);
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-orange-500);
  transition: width var(--duration-base) var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--clr-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Navbar Actions */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-light);
  color: var(--clr-gray-400);
  font-size: var(--fs-xs);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.lang-toggle:hover {
  color: var(--clr-orange-500);
  border-color: var(--clr-orange-500);
  background: var(--clr-orange-glow);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-out);
  transform-origin: center;
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-primary);
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

.btn__icon {
  width: 18px;
  height: 18px;
  transition: transform var(--duration-base) var(--ease-out);
}

.btn:hover .btn__icon {
  transform: translateX(4px);
}

.btn--sm {
  font-size: var(--fs-xs);
  padding: 10px 20px;
}

.btn--lg {
  font-size: var(--fs-sm);
  padding: 16px 32px;
}

.btn--primary {
  background: linear-gradient(135deg, var(--clr-orange-500), var(--clr-orange-600));
  color: var(--clr-white);
  box-shadow: var(--shadow-orange);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--clr-orange-400), var(--clr-orange-500));
  box-shadow: 0 6px 40px rgba(255, 107, 44, 0.5);
  transform: translateY(-2px);
}

.btn--ghost {
  background: var(--glass-bg-light);
  color: var(--clr-gray-200);
  border: 1px solid var(--glass-border);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--clr-white);
  border: 2px solid var(--clr-white);
}

.btn--outline:hover {
  background: var(--clr-white);
  color: var(--clr-navy-900);
  transform: translateY(-2px);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-3xl);
  overflow: hidden;
}

/* Gradient Orbs */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
}

.hero__gradient-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--clr-orange-500) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: orbFloat1 8s ease-in-out infinite;
}

.hero__gradient-orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--clr-teal-500) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
  animation: orbFloat2 10s ease-in-out infinite;
}

.hero__gradient-orb--3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--clr-navy-400) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbFloat3 12s ease-in-out infinite;
}

@keyframes orbFloat1 {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(-40px, 30px);
  }
}

@keyframes orbFloat2 {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(30px, -40px);
  }
}

@keyframes orbFloat3 {

  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    transform: translate(-50%, -50%) scale(1.15);
  }
}

/* Grid Overlay */
.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black, transparent);
}

/* Hero Content */
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 8px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--clr-gray-200);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  margin-bottom: var(--space-xl);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-teal-500);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 var(--clr-teal-glow);
  }

  50% {
    opacity: 0.8;
    box-shadow: 0 0 0 8px transparent;
  }
}

.hero__title {
  font-size: var(--fs-4xl);
  font-weight: 800;
  line-height: 1.1;
  color: var(--clr-white);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
}

.hero__title--gradient {
  background: linear-gradient(135deg, var(--clr-orange-500), var(--clr-orange-400), var(--clr-teal-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--fs-md);
  color: var(--clr-gray-400);
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
}

.hero__cta-group {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-4xl);
}

/* Stats */
.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat__number {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--clr-white);
  display: inline;
}

.stat__suffix {
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--clr-orange-500);
}

.stat__label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--clr-gray-400);
  margin-top: 4px;
  font-weight: 500;
}

.stat__divider {
  width: 1px;
  height: 48px;
  background: var(--glass-border);
}

/* Scroll Indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--clr-gray-400);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  opacity: 0.5;
}

.hero__scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--clr-gray-400);
  border-radius: 2px;
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% {
    transform: translateY(0);
    opacity: 1;
  }

  100% {
    transform: translateY(10px);
    opacity: 0;
  }
}

/* ============================================================
   SECTION HEADERS (Shared)
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section-tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clr-orange-500);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--clr-white);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-title--left {
  text-align: left;
}

.section-desc {
  font-size: var(--fs-base);
  color: var(--clr-gray-400);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.8;
}

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

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.service-card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: all var(--duration-base) var(--ease-out);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg);
}

.service-card--featured {
  border-color: var(--clr-orange-500);
  background: linear-gradient(135deg, rgba(255, 107, 44, 0.08), var(--glass-bg));
}

.service-card--featured:hover {
  border-color: var(--clr-orange-400);
  box-shadow: var(--shadow-orange);
}

.service-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: linear-gradient(135deg, var(--clr-orange-500), var(--clr-orange-600));
  color: var(--clr-white);
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.service-card__icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.service-card__icon-wrap--seo {
  background: rgba(0, 212, 170, 0.12);
  color: var(--clr-teal-500);
}

.service-card__icon-wrap--sem {
  background: var(--clr-orange-glow);
  color: var(--clr-orange-500);
}

.service-card__icon-wrap--social {
  background: rgba(99, 102, 241, 0.12);
  color: #818CF8;
}

.service-card__icon-wrap--consulting {
  background: rgba(251, 191, 36, 0.12);
  color: #FBBF24;
}

.service-card__icon {
  width: 28px;
  height: 28px;
}

.service-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--space-md);
}

.service-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.service-card__features {
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

.service-card__features li {
  font-size: var(--fs-sm);
  color: var(--clr-gray-200);
  padding: var(--space-xs) 0;
  padding-left: var(--space-lg);
  position: relative;
}

.service-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-teal-500);
  font-weight: 700;
}

.service-card__link {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-orange-500);
  transition: color var(--duration-fast) var(--ease-out);
  margin-top: auto;
}

.service-card__link:hover {
  color: var(--clr-orange-400);
}

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why-us {
  padding: var(--space-5xl) 0;
  background: linear-gradient(180deg, var(--clr-navy-900), var(--clr-navy-800));
  position: relative;
}

.why-us__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature-card {
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
}

.feature-card:hover {
  background: var(--glass-bg-light);
  border-color: var(--glass-border);
}

.feature-card__number {
  font-size: var(--fs-3xl);
  font-weight: 900;
  color: rgba(255, 107, 44, 0.1);
  line-height: 1;
  margin-bottom: var(--space-md);
  letter-spacing: -0.03em;
}

.feature-card__title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--space-sm);
}

.feature-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
  line-height: 1.7;
}

/* ============================================================
   ABOUT / FOUNDER STORY
   ============================================================ */
.about {
  padding: var(--space-5xl) 0;
  position: relative;
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about__content .section-tag {
  display: inline-block;
}

.about__story p {
  font-size: var(--fs-base);
  color: var(--clr-gray-400);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.about__story p:last-child {
  margin-bottom: var(--space-2xl);
}

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

.about__signature-info strong {
  display: block;
  font-size: var(--fs-base);
  color: var(--clr-white);
}

.about__signature-info span {
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
}

/* Code Window */
.about__code-window {
  background: var(--clr-navy-700);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.code-window__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: var(--clr-navy-600);
  border-bottom: 1px solid var(--glass-border);
}

.code-window__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.code-window__dot--red {
  background: #FF5F57;
}

.code-window__dot--yellow {
  background: #FEBC2E;
}

.code-window__dot--green {
  background: #28C840;
}

.code-window__title {
  font-size: var(--fs-xs);
  color: var(--clr-gray-400);
  margin-left: auto;
}

.code-window__body {
  padding: var(--space-xl);
  overflow-x: auto;
}

.code-window__body pre {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--clr-gray-200);
}

.code-keyword {
  color: #C792EA;
}

.code-class {
  color: #FFCB6B;
}

.code-func {
  color: #82AAFF;
}

.code-number {
  color: #F78C6C;
}

.code-string {
  color: #C3E88D;
}

.code-comment {
  color: #546E7A;
  font-style: italic;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  padding: var(--space-5xl) 0;
}

.cta-section__inner {
  text-align: center;
  padding: var(--space-4xl);
  background: linear-gradient(135deg, var(--clr-navy-600), var(--clr-navy-500));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-section__inner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--clr-orange-glow), transparent 70%);
  z-index: 0;
}

.cta-section__inner::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--clr-teal-glow), transparent 70%);
  z-index: 0;
}

.cta-section__title {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--clr-white);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.cta-section__desc {
  font-size: var(--fs-base);
  color: var(--clr-gray-200);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  position: relative;
  z-index: 1;
}

.cta-section__buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: var(--space-5xl) 0;
  background: var(--clr-navy-800);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-3xl);
}

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

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

.contact-form__group--full {
  grid-column: 1 / -1;
}

.contact-form label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-gray-200);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  color: var(--clr-white);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  outline: none;
  transition: all var(--duration-fast) var(--ease-out);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--clr-gray-500);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--clr-orange-500);
  box-shadow: 0 0 0 3px var(--clr-orange-glow);
}

.contact-form select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238892A0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.contact-form select option {
  background: var(--clr-navy-700);
  color: var(--clr-white);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form__submit {
  grid-column: 1 / -1;
  width: 100%;
}

/* Contact Info Cards */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: all var(--duration-base) var(--ease-out);
}

.contact-info-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateX(4px);
}

.contact-info-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--clr-orange-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-card__icon svg {
  width: 20px;
  height: 20px;
  color: var(--clr-orange-500);
}

.contact-info-card h4 {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 2px;
}

.contact-info-card p {
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid var(--glass-border);
}

.footer__top {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 360px;
}

.footer__tagline {
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
  margin-top: var(--space-md);
  line-height: 1.7;
}

.footer__links {
  display: flex;
  gap: var(--space-4xl);
}

.footer__col h4 {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--space-md);
}

.footer__col li {
  margin-bottom: var(--space-xs);
}

.footer__col a {
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__col a:hover {
  color: var(--clr-orange-500);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

.footer__bottom p {
  font-size: var(--fs-xs);
  color: var(--clr-gray-500);
}

/* ============================================================
   PAGE HERO (for subpages)
   ============================================================ */
.page-hero {
  position: relative;
  padding: calc(var(--navbar-height) + var(--space-4xl)) 0 var(--space-4xl);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.page-hero__title {
  font-size: var(--fs-4xl);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  color: var(--clr-white);
}

.page-hero__desc {
  font-size: var(--fs-lg);
  color: var(--clr-gray-300);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  font-size: var(--fs-sm);
}

.breadcrumb a {
  color: var(--clr-orange-500);
  transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb a:hover {
  color: var(--clr-orange-400);
}

.breadcrumb span {
  color: var(--clr-gray-400);
}

/* ============================================================
   PROCESS STEPS
   ============================================================ */
.process-section {
  padding: var(--space-5xl) 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.process-step {
  position: relative;
  padding: var(--space-2xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  transition: border-color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.process-step:hover {
  border-color: var(--clr-orange-500);
  transform: translateY(-4px);
}

.process-step__number {
  font-size: var(--fs-3xl);
  font-weight: 900;
  color: var(--clr-orange-500);
  opacity: 0.3;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.process-step h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--space-sm);
}

.process-step p {
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
  line-height: 1.7;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-section {
  padding: var(--space-5xl) 0;
  background: rgba(15, 25, 45, 0.5);
}

.faq-list {
  max-width: 800px;
  margin: var(--space-3xl) auto 0;
}

.faq-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-md);
  overflow: hidden;
  background: var(--glass-bg);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  background: none;
  border: none;
  color: var(--clr-white);
  font-size: var(--fs-base);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  gap: var(--space-md);
  font-family: inherit;
  transition: color var(--duration-fast) var(--ease-out);
}

.faq-item__question:hover {
  color: var(--clr-orange-500);
}

.faq-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--duration-base) var(--ease-out);
  color: var(--clr-gray-400);
}

.faq-item.open .faq-item__icon {
  transform: rotate(180deg);
  color: var(--clr-orange-500);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-base) var(--ease-out),
    padding var(--duration-base) var(--ease-out);
}

.faq-item.open .faq-item__answer {
  max-height: 400px;
}

.faq-item__answer p {
  padding: 0 var(--space-xl) var(--space-lg);
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
  line-height: 1.8;
}

/* ============================================================
   ABOUT STORY (about.html)
   ============================================================ */
.about-story-section {
  padding: var(--space-5xl) 0;
}

.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-story__content p {
  font-size: var(--fs-base);
  color: var(--clr-gray-300);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

/* ============================================================
   VALUES SECTION
   ============================================================ */
.values-section {
  padding: var(--space-5xl) 0;
  background: rgba(15, 25, 45, 0.5);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.value-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  transition: border-color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.value-card:hover {
  border-color: var(--clr-orange-500);
  transform: translateY(-4px);
}

.value-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
}

.value-card h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--space-sm);
}

.value-card p {
  font-size: var(--fs-sm);
  color: var(--clr-gray-400);
  line-height: 1.7;
}

/* ============================================================
   ABOUT STATS
   ============================================================ */
.about-stats-section {
  padding: var(--space-4xl) 0;
}

.about-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-3xl);
  padding: var(--space-3xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
}

/* ============================================================
   ANIMATIONS (Intersection Observer driven)
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE — Mobile-First Breakpoints
   ============================================================ */

/* Tablet & Below */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: 1fr;
    max-width: 640px;
    margin: 0 auto;
  }

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

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

  .about__content {
    order: 1;
  }

  .about__visual {
    order: 2;
  }

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

  .process-grid {
    grid-template-columns: 1fr;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
  }

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

  .values-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --navbar-height: 64px;
  }

  .navbar__nav {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--navbar-height));
    background: rgba(6, 13, 24, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--duration-base) var(--ease-out);
  }

  .navbar__nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .navbar__links {
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xl);
  }

  .nav-link {
    font-size: var(--fs-xl);
    font-weight: 700;
  }

  .hamburger {
    display: flex;
  }

  .navbar__actions .btn--sm {
    display: none;
  }

  .hero__title {
    font-size: var(--fs-3xl);
  }

  .hero__stats {
    gap: var(--space-xl);
  }

  .stat__divider {
    display: none;
  }

  .hero__stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .why-us__grid {
    grid-template-columns: 1fr;
  }

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

  .footer__top {
    flex-direction: column;
    gap: var(--space-2xl);
  }

  .footer__links {
    gap: var(--space-3xl);
  }

  .cta-section__inner {
    padding: var(--space-3xl) var(--space-xl);
  }

  .page-hero__title {
    font-size: var(--fs-3xl);
  }

  .about-stats {
    flex-wrap: wrap;
    gap: var(--space-xl);
  }

  .about-stats .stat__divider {
    display: none;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero__cta-group {
    flex-direction: column;
    align-items: center;
  }

  .hero__cta-group .btn {
    width: 100%;
  }

  .cta-section__buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-section__buttons .btn {
    width: 100%;
  }

  .footer__links {
    flex-direction: column;
    gap: var(--space-2xl);
  }
}