/* ============================================================
   Canada28 - Professional Statistics & Prediction Platform
   Custom Stylesheet (extends Tailwind CSS CDN)
   ============================================================ */

/* ---------- CSS Custom Properties (Design Tokens) ---------- */
:root {
  --primary-50:  #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-800: #3730a3;
  --primary-900: #312e81;

  --secondary-50:  #eff6ff;
  --secondary-100: #dbeafe;
  --secondary-200: #bfdbfe;
  --secondary-300: #93c5fd;
  --secondary-400: #60a5fa;
  --secondary-500: #3b82f6;
  --secondary-600: #2563eb;
  --secondary-700: #1d4ed8;
  --secondary-800: #1e40af;
  --secondary-900: #1e3a8a;

  --neutral-50:  #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  --success: #10b981;
  --warning: #f59e0b;
  --danger:  #ef4444;
  --info:    #06b6d4;

  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.10), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
  --shadow-glow-primary: 0 0 20px rgba(79, 70, 229, 0.35);
  --shadow-glow-secondary: 0 0 20px rgba(37, 99, 235, 0.35);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--neutral-800);
  background-color: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection {
  background-color: var(--primary-200);
  color: var(--primary-900);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--neutral-100);
}

::-webkit-scrollbar-thumb {
  background: var(--neutral-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neutral-400);
}

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

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

/* ---------- Navbar / Glass Effect ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base),
              backdrop-filter var(--transition-base);
}

.navbar--transparent {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.navbar--scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.navbar__container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--neutral-900);
  letter-spacing: -0.02em;
  transition: opacity var(--transition-fast);
}

.navbar__logo:hover {
  opacity: 0.8;
}

.navbar__logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.1rem;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.navbar__link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--neutral-600);
  transition: color var(--transition-fast);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--primary-700);
}

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

.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
              opacity var(--transition-fast);
  white-space: nowrap;
}

.navbar__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-primary);
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--neutral-700);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__hamburger--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger--open span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  height: 100vh;
  background: #ffffff;
  box-shadow: var(--shadow-2xl);
  z-index: 999;
  padding: 6rem 2rem 2rem;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

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

.mobile-menu__overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu__overlay--open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu__link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--neutral-700);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
  background: var(--primary-50);
  color: var(--primary-700);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  padding: 8rem 1.5rem 5rem;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--primary-50);
  color: var(--primary-700);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  width: fit-content;
  border: 1px solid var(--primary-100);
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.4); }
}

.hero__heading {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--neutral-900);
  letter-spacing: -0.03em;
}

.hero__heading-gradient {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--neutral-500);
  line-height: 1.7;
  max-width: 500px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn--outline {
  background: #ffffff;
  color: var(--primary-700);
  border: 2px solid var(--neutral-200);
}

.btn--outline:hover {
  border-color: var(--primary-400);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hero__image-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero__image-card {
  background: #ffffff;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  border: 1px solid var(--neutral-200);
  width: 100%;
  max-width: 540px;
}

.hero__image-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--neutral-50);
  border-bottom: 1px solid var(--neutral-200);
}

.hero__image-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hero__image-dot--red    { background: #ef4444; }
.hero__image-dot--yellow { background: #f59e0b; }
.hero__image-dot--green  { background: #10b981; }

.hero__image-body {
  padding: 1.5rem;
}

.hero__image-body canvas {
  width: 100%;
  height: auto;
}

/* ---------- Section Common ---------- */
.section {
  padding: 5rem 1.5rem;
}

.section--gray {
  background: var(--neutral-50);
}

.section__container {
  max-width: 1280px;
  margin: 0 auto;
}

.section__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section__label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--neutral-900);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section__description {
  font-size: 1.1rem;
  color: var(--neutral-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- Features Section ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2rem 1.75rem;
  border: 1px solid var(--neutral-200);
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
  cursor: default;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), 0 0 0 1px var(--primary-200);
}

.feature-card__icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  transition: transform var(--transition-fast);
}

.feature-card:hover .feature-card__icon {
  transform: scale(1.1);
}

.feature-card__icon--indigo {
  background: var(--primary-50);
  color: var(--primary-600);
}

.feature-card__icon--blue {
  background: var(--secondary-50);
  color: var(--secondary-600);
}

.feature-card__icon--green {
  background: #ecfdf5;
  color: var(--success);
}

.feature-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 0.6rem;
}

.feature-card__text {
  font-size: 0.95rem;
  color: var(--neutral-500);
  line-height: 1.65;
}

/* ---------- Stats Section ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-card {
  padding: 2rem 1rem;
}

.stat-card__number {
  font-size: 2.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-card__label {
  font-size: 0.95rem;
  color: var(--neutral-500);
  margin-top: 0.4rem;
  font-weight: 500;
}

/* ---------- Testimonials Section ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--neutral-200);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.testimonial-card__stars {
  display: flex;
  gap: 3px;
  margin-bottom: 1rem;
  color: #f59e0b;
  font-size: 1rem;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--neutral-600);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-card__avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-300), var(--secondary-300));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-card__name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--neutral-800);
}

.testimonial-card__role {
  font-size: 0.825rem;
  color: var(--neutral-400);
}

/* ---------- FAQ Section ---------- */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item--open {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-sm);
}

.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.025rem;
  font-weight: 600;
  color: var(--neutral-800);
  text-align: left;
  gap: 1rem;
  transition: color var(--transition-fast);
}

.faq-item__trigger:hover {
  color: var(--primary-700);
}

.faq-item__icon {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-400);
  transition: transform var(--transition-base), color var(--transition-fast);
  font-size: 0.85rem;
}

.faq-item--open .faq-item__icon {
  transform: rotate(180deg);
  color: var(--primary-600);
}

.faq-item__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item--open .faq-item__panel {
  max-height: 300px;
}

.faq-item__content {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.95rem;
  color: var(--neutral-500);
  line-height: 1.7;
}

/* ---------- CTA Section ---------- */
.cta {
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--secondary-700) 100%);
  padding: 5rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.cta__container {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta__text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  line-height: 1.7;
}

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

.btn--white {
  background: #ffffff;
  color: var(--primary-700);
  box-shadow: var(--shadow-lg);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn--ghost {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--neutral-900);
  color: var(--neutral-300);
  padding: 4rem 1.5rem 1.5rem;
}

.footer__container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.footer__brand-desc {
  font-size: 0.9rem;
  color: var(--neutral-400);
  line-height: 1.7;
  margin-bottom: 1rem;
  max-width: 300px;
}

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

.footer__social-link {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--neutral-300);
  transition: background var(--transition-fast), color var(--transition-fast),
              transform var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--primary-600);
  color: #ffffff;
  transform: translateY(-3px);
}

.footer__col-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__link {
  font-size: 0.9rem;
  color: var(--neutral-400);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: #ffffff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--neutral-500);
}

/* ---------- Page Header (About / Contact) ---------- */
.page-header {
  padding: 7rem 1.5rem 3.5rem;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  text-align: center;
}

.page-header__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--neutral-900);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.page-header__breadcrumb {
  font-size: 0.9rem;
  color: var(--neutral-400);
}

.page-header__breadcrumb a {
  color: var(--primary-600);
  transition: color var(--transition-fast);
}

.page-header__breadcrumb a:hover {
  color: var(--primary-800);
}

/* ---------- About Page ---------- */
.about-intro {
  max-width: 800px;
  margin: 0 auto 3rem;
  text-align: center;
}

.about-intro__text {
  font-size: 1.1rem;
  color: var(--neutral-600);
  line-height: 1.85;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.about-value-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-200);
}

.about-value-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--primary-600);
}

.about-value-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 0.5rem;
}

.about-value-card__text {
  font-size: 0.9rem;
  color: var(--neutral-500);
  line-height: 1.6;
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info__item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.contact-info__icon {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: var(--primary-50);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.contact-info__label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--neutral-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.contact-info__value {
  font-size: 0.95rem;
  color: var(--neutral-700);
  font-weight: 500;
}

.contact-form {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--neutral-200);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--neutral-700);
  margin-bottom: 0.4rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  background: var(--neutral-50);
  color: var(--neutral-800);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
              background var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
  background: #ffffff;
}

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

.form-submit {
  width: 100%;
}

/* ---------- To Top Button ---------- */
.to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 900;
}

.to-top--visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-primary);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

@media (max-width: 768px) {
  .navbar__links {
    display: none;
  }

  .navbar__cta {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__subtitle {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__badge {
    margin: 0 auto;
  }

  .section {
    padding: 3.5rem 1rem;
  }

  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

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

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

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

  .about-values {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

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

  .footer__socials {
    justify-content: center;
  }

  .contact-form {
    padding: 1.25rem;
  }
}