/* ============================================
   CELER LOGISTICS — Design System & Styles
   v2.0 — Language toggle, responsive polish
   ============================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Color Palette */
  --navy-900: #0a1628;
  --navy-800: #0f2044;
  --navy-700: #142c5c;
  --navy-600: #1a3a6e;
  --navy-500: #1e4d8f;
  --steel-600: #3d4f6f;
  --steel-500: #5a6a85;
  --steel-400: #7b8da6;
  --steel-300: #a0b0c4;
  --steel-200: #c5d0de;
  --steel-100: #e4e9f0;
  --white: #ffffff;
  --off-white: #f5f7fa;
  --accent-blue: #2b7de9;
  --accent-light: #4a9af5;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Sizes */
  --max-width: 1240px;
  --border-radius: 12px;
  --border-radius-lg: 20px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 8px 30px rgba(10, 22, 40, 0.10);
  --shadow-lg: 0 16px 50px rgba(10, 22, 40, 0.14);
  --shadow-xl: 0 24px 60px rgba(10, 22, 40, 0.18);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Header height (used for scroll offsets) */
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  color: var(--navy-800);
  background-color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

/* --- Scroll-Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* --- Skip Link (Accessibility / SEO) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--accent-blue);
  color: var(--white);
  font-weight: var(--font-weight-semibold);
  font-size: 0.9rem;
  border-radius: 0 0 8px 8px;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0.85rem 0;
  transition: background var(--transition-base),
              box-shadow var(--transition-base),
              padding var(--transition-base);
}

.site-header.scrolled {
  background: rgba(10, 22, 40, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
  padding: 0.55rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 48px;
}

/* --- Logo --- */
.logo {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex-shrink: 0;
}

.logo-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: -2px;
}

.logo-mark svg {
  width: 100%;
  height: 100%;
}

.logo-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-size: 1.35rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--white);
  letter-spacing: 0.06em;
}

.logo-sub {
  font-size: 0.48rem;
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.32em;
  margin-top: 1px;
}

/* Footer logo */
.footer-logo {
  margin-bottom: 0.3rem;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--steel-400);
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.04em;
}

/* --- Desktop Navigation --- */
.nav-desktop {
  display: flex;
  align-items: center;
}

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

.nav-links li {
  display: flex;
  align-items: center;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.88rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  position: relative;
  white-space: nowrap;
  padding: 0.4rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--white);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Nav CTA Button */
.nav-cta {
  display: inline-flex !important;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1.2rem !important;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-light));
  color: var(--white) !important;
  font-weight: var(--font-weight-semibold) !important;
  font-size: 0.85rem !important;
  border-radius: 8px;
  letter-spacing: 0.01em;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast);
  box-shadow: 0 4px 14px rgba(43, 125, 233, 0.3);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(43, 125, 233, 0.45);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* --- Header Controls (Language + Hamburger) --- */
.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* --- Language Toggle --- */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  transition: background var(--transition-fast),
              border-color var(--transition-fast);
  font-family: var(--font-family);
}

.lang-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
}

.lang-option {
  font-size: 0.78rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast);
}

.lang-option.active {
  color: var(--white);
}

.lang-divider {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.2);
  user-select: none;
}

/* --- Hamburger Menu Toggle --- */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 8px 4px;
  background: none;
  border: none;
  width: 36px;
  height: 36px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition-fast),
              opacity var(--transition-fast);
  transform-origin: center;
}

/* Hamburger → X animation */
.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Nav Panel --- */
.mobile-nav {
  display: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease;
  opacity: 0;
  background: rgba(10, 22, 40, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.mobile-nav.open {
  max-height: 300px;
  opacity: 1;
}

.mobile-nav-links {
  list-style: none;
  padding: 0.5rem 0 1.2rem;
}

.mobile-nav-links li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-nav-links li:last-child {
  border-bottom: none;
}

.mobile-nav-links a {
  display: block;
  padding: 0.9rem 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  font-weight: var(--font-weight-medium);
  transition: background var(--transition-fast),
              color var(--transition-fast);
}

.mobile-nav-links a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      135deg,
      rgba(10, 22, 40, 0.90) 0%,
      rgba(15, 32, 68, 0.78) 40%,
      rgba(20, 44, 92, 0.55) 70%,
      rgba(26, 58, 110, 0.35) 100%
    );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: var(--space-2xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  background: rgba(43, 125, 233, 0.15);
  border: 1px solid rgba(43, 125, 233, 0.3);
  border-radius: 50px;
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  backdrop-filter: blur(8px);
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-light);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}

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

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.12;
  color: var(--white);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-md);
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.22rem);
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.75;
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  font-family: var(--font-family);
  font-size: 0.93rem;
  font-weight: var(--font-weight-semibold);
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast);
  letter-spacing: 0.01em;
  white-space: nowrap;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-light));
  color: var(--white);
  box-shadow: 0 6px 20px rgba(43, 125, 233, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(43, 125, 233, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

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

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.72rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: scroll-bounce 2.5s ease-in-out infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background: var(--navy-800);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: var(--space-lg) var(--space-sm);
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 25%;
  height: 50%;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.stat-number {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat-number .accent {
  color: var(--accent-blue);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--steel-400);
  font-weight: var(--font-weight-medium);
  margin-top: 0.3rem;
  letter-spacing: 0.02em;
}

/* ============================================
   CONTENT SECTIONS
   ============================================ */
.section {
  padding: var(--space-3xl) 0;
}

.section-alt {
  background: var(--off-white);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  background: rgba(43, 125, 233, 0.08);
  border: 1px solid rgba(43, 125, 233, 0.15);
  border-radius: 50px;
  color: var(--accent-blue);
  font-size: 0.76rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

/* ============================================
   CAPACITY SECTION
   ============================================ */
.capacity-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.capacity-image-wrapper {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.capacity-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  transition: transform var(--transition-slow);
}

.capacity-image-wrapper:hover img {
  transform: scale(1.03);
}

/* Floating badge on image */
.image-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(12px);
  border-radius: 8px;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-md);
}

.image-badge svg {
  width: 15px;
  height: 15px;
  fill: var(--accent-light);
  flex-shrink: 0;
}

.capacity-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--navy-800);
  margin-bottom: var(--space-md);
}

.capacity-text p {
  font-size: 1.05rem;
  color: var(--steel-500);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

/* Feature checklist */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.95rem;
  color: var(--navy-800);
  font-weight: var(--font-weight-medium);
}

.feature-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: rgba(43, 125, 233, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.feature-icon svg {
  width: 14px;
  height: 14px;
  fill: var(--accent-blue);
}

/* ============================================
   TRUST SECTION
   ============================================ */
.trust-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.trust-image-wrapper {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  order: 2;
}

.trust-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  transition: transform var(--transition-slow);
}

.trust-image-wrapper:hover img {
  transform: scale(1.03);
}

.trust-text {
  order: 1;
}

.trust-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--navy-800);
  margin-bottom: var(--space-md);
}

.trust-text p {
  font-size: 1.05rem;
  color: var(--steel-500);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

/* Trust cards grid */
.trust-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.trust-card {
  padding: var(--space-md);
  background: var(--white);
  border: 1px solid var(--steel-100);
  border-radius: var(--border-radius);
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              border-color var(--transition-fast);
}

.section-alt .trust-card {
  background: var(--white);
}

.trust-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(43, 125, 233, 0.2);
}

.trust-card-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(43, 125, 233, 0.1), rgba(74, 154, 245, 0.08));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.7rem;
}

.trust-card-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--accent-blue);
}

.trust-card h4 {
  font-size: 0.9rem;
  font-weight: var(--font-weight-bold);
  color: var(--navy-800);
  margin-bottom: 0.2rem;
  letter-spacing: -0.01em;
}

.trust-card p {
  font-size: 0.8rem;
  color: var(--steel-400);
  line-height: 1.55;
  margin-bottom: 0 !important;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--navy-900);
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-divider {
  width: 60px;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.footer-info {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-info p {
  font-size: 0.86rem;
  color: var(--steel-400);
  font-weight: var(--font-weight-regular);
}

.footer-info a {
  color: var(--steel-300);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.76rem;
  color: var(--steel-500);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   
   Tiny phone:  ≤ 380px  (iPhone SE, Galaxy S Mini)
   Small phone: ≤ 480px  (standard phones)
   Large phone: ≤ 768px  (phablets, small tablets)
   Tablet:      ≤ 1024px (iPad, tablets)
   Laptop:      1025–1440px (default)
   Desktop:     1441px+  (large monitors)
   ============================================ */

/* ---- LARGE DESKTOP (1441px+) ---- */
@media (min-width: 1441px) {
  :root {
    --max-width: 1340px;
  }

  .hero h1 {
    font-size: 3.8rem;
  }

  .hero-sub {
    font-size: 1.28rem;
  }
}

/* ---- TABLET (769px–1024px) ---- */
@media (max-width: 1024px) {
  .capacity-layout,
  .trust-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .trust-image-wrapper {
    order: 0;
  }

  .trust-text {
    order: 0;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .nav-links {
    gap: 1.4rem;
  }

  .capacity-image-wrapper img,
  .trust-image-wrapper img {
    aspect-ratio: 16/9;
  }

  .section {
    padding: var(--space-2xl) 0;
  }
}

/* ---- LARGE PHONE / SMALL TABLET (≤768px) ---- */
@media (max-width: 768px) {
  /* Show hamburger, hide desktop nav */
  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  /* Container breathing room */
  .container {
    padding: 0 1.5rem;
  }

  /* Header */
  .site-header {
    padding: 0.65rem 0;
  }

  .site-header.scrolled {
    padding: 0.45rem 0;
  }

  .header-inner {
    min-height: 42px;
  }

  /* Hero */
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
  }

  .hero-content {
    padding-top: calc(var(--header-height) + 1.5rem);
    padding-bottom: var(--space-xl);
    max-width: 100%;
  }

  .hero h1 {
    font-size: clamp(1.6rem, 6.5vw, 2.2rem);
    line-height: 1.18;
    letter-spacing: -0.02em;
  }

  .hero-sub {
    font-size: 0.95rem;
    line-height: 1.65;
  }

  .hero-badge {
    font-size: 0.7rem;
    padding: 0.35rem 0.8rem;
    gap: 0.4rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.7rem;
  }

  .btn {
    width: 100%;
    padding: 0.85rem 1.2rem;
    font-size: 0.9rem;
  }

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

  .stat-item:not(:last-child)::after {
    display: none;
  }

  .stat-item {
    padding: 1.2rem 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  .stat-number {
    font-size: 1.6rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  /* Sections */
  .section {
    padding: 3rem 0;
  }

  .capacity-layout,
  .trust-layout {
    gap: 2rem;
  }

  .capacity-text h2,
  .trust-text h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .capacity-text p,
  .trust-text p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
  }

  .feature-list li {
    font-size: 0.9rem;
  }

  .capacity-image-wrapper,
  .trust-image-wrapper {
    border-radius: 14px;
  }

  .capacity-image-wrapper img,
  .trust-image-wrapper img {
    aspect-ratio: 16/10;
  }

  .image-badge {
    bottom: 0.75rem;
    left: 0.75rem;
    font-size: 0.72rem;
    padding: 0.4rem 0.7rem;
  }

  .trust-cards {
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
  }

  .trust-card {
    padding: 1rem;
  }

  .trust-card-icon {
    width: 34px;
    height: 34px;
    margin-bottom: 0.5rem;
  }

  .trust-card-icon svg {
    width: 17px;
    height: 17px;
  }

  .trust-card h4 {
    font-size: 0.82rem;
  }

  .trust-card p {
    font-size: 0.74rem;
  }

  .section-tag {
    font-size: 0.7rem;
    padding: 0.3rem 0.7rem;
    margin-bottom: 0.7rem;
  }

  /* Hide scroll indicator */
  .hero-scroll {
    display: none;
  }

  /* Footer */
  .site-footer {
    padding: 2.5rem 0 1.5rem;
  }

  .footer-tagline {
    font-size: 0.72rem;
  }

  .footer-info p {
    font-size: 0.82rem;
  }

  .footer-bottom p {
    font-size: 0.72rem;
  }
}

/* ---- SMALL PHONE (≤480px) ---- */
@media (max-width: 480px) {
  .container {
    padding: 0 1.5rem;
  }

  /* Header */
  .logo-mark {
    width: 28px;
    height: 28px;
  }

  .logo-name {
    font-size: 1rem;
  }

  .logo-sub {
    font-size: 0.45rem;
  }

  .lang-toggle {
    padding: 0.3rem 0.5rem;
  }

  .lang-option {
    font-size: 0.72rem;
  }

  /* Hero */
  .hero-content {
    padding-top: calc(var(--header-height) + 1rem);
    padding-bottom: 2.5rem;
  }

  .hero h1 {
    font-size: 1.45rem;
    line-height: 1.2;
  }

  .hero-sub {
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .hero-badge {
    font-size: 0.65rem;
    padding: 0.3rem 0.65rem;
    margin-bottom: 1rem;
  }

  .btn {
    padding: 0.8rem 1rem;
    font-size: 0.86rem;
    border-radius: 8px;
  }

  .btn svg {
    width: 16px;
    height: 16px;
  }

  /* Stats */
  .stat-item {
    padding: 1rem 0.5rem;
  }

  .stat-number {
    font-size: 1.35rem;
  }

  .stat-label {
    font-size: 0.68rem;
    margin-top: 0.2rem;
  }

  /* Sections */
  .section {
    padding: 2.5rem 0;
  }

  .capacity-text h2,
  .trust-text h2 {
    font-size: 1.3rem;
  }

  .capacity-text p,
  .trust-text p {
    font-size: 0.9rem;
  }

  .feature-list {
    gap: 0.65rem;
  }

  .feature-list li {
    font-size: 0.85rem;
    gap: 0.55rem;
  }

  .feature-icon {
    width: 22px;
    height: 22px;
  }

  .feature-icon svg {
    width: 12px;
    height: 12px;
  }

  /* Trust cards: single column */
  .trust-cards {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .trust-card {
    padding: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .trust-card-icon {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .trust-card h4 {
    font-size: 0.84rem;
    margin-bottom: 0.1rem;
  }

  .trust-card p {
    font-size: 0.76rem;
  }

  .image-badge {
    bottom: 0.6rem;
    left: 0.6rem;
    font-size: 0.68rem;
    padding: 0.35rem 0.6rem;
    gap: 0.35rem;
  }

  .image-badge svg {
    width: 13px;
    height: 13px;
  }

  /* Footer */
  .footer-inner {
    gap: 1rem;
  }

  .footer-brand {
    flex-direction: column;
    gap: 0.4rem;
  }

  .footer-tagline {
    font-size: 0.68rem;
  }
}

/* ---- TINY PHONE (≤380px) — iPhone SE, Galaxy S Mini ---- */
@media (max-width: 380px) {
  .container {
    padding: 0 1.25rem;
  }

  .hero h1 {
    font-size: 1.25rem;
    line-height: 1.22;
  }

  .hero-sub {
    font-size: 0.82rem;
  }

  .hero-badge {
    font-size: 0.6rem;
  }

  .hero-content {
    padding-top: calc(var(--header-height) + 0.5rem);
    padding-bottom: 2rem;
  }

  .btn {
    padding: 0.75rem 0.8rem;
    font-size: 0.82rem;
  }

  .stat-number {
    font-size: 1.2rem;
  }

  .stat-label {
    font-size: 0.63rem;
  }

  .section {
    padding: 2rem 0;
  }

  .capacity-text h2,
  .trust-text h2 {
    font-size: 1.15rem;
  }

  .capacity-text p,
  .trust-text p {
    font-size: 0.84rem;
  }

  .feature-list li {
    font-size: 0.8rem;
  }

  .logo-mark {
    width: 24px;
    height: 24px;
  }

  .logo-name {
    font-size: 0.88rem;
  }

  .logo-sub {
    font-size: 0.4rem;
  }

  .mobile-nav-links a {
    padding: 0.75rem 0.8rem;
    font-size: 0.88rem;
  }
}