/* ═══════════════════════════════════════════════════════════════════════
   NTCK Content Tools SEO — Shared Design System
   PL37 — Bold Redesign 2026
   Mọi page link đến file này để đồng bộ design tokens, header, footer.
   ═══════════════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  /* Primary Green (NTCK brand — bold upgrade) */
  --green-50:  #ecfdf5;
  --green-100: #d1fae5;
  --green-300: #6ee7b7;
  --green-400: #34d399;
  --green-500: #10b981;
  --green-600: #059669;
  --green-700: #047857;
  --green-800: #065f46;
  --green-900: #064e3b;

  /* Brand variants */
  --gold:        #fbbf24;
  --gold-dark:   #d97706;
  --purple-500:  #8b5cf6;
  --purple-700:  #6d28d9;

  /* Hero Dark Mode */
  --hero-bg:        linear-gradient(135deg, #0a1f1c 0%, #0f2925 50%, #1a4d3a 100%);
  --hero-bg-solid:  #0a1f1c;
  --hero-glow:      radial-gradient(circle at 70% 30%, rgba(16, 185, 129, 0.18), transparent 50%);
  --hero-mesh:      radial-gradient(at 20% 80%, rgba(251, 191, 36, 0.08), transparent 50%),
                    radial-gradient(at 80% 20%, rgba(16, 185, 129, 0.12), transparent 50%),
                    radial-gradient(at 40% 40%, rgba(139, 92, 246, 0.05), transparent 50%);

  /* Neutral */
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --black:    #0a0a0a;
  --white:    #ffffff;

  /* Shadows */
  --shadow-sm:   0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 6px rgba(0,0,0,0.05), 0 10px 15px rgba(0,0,0,0.04);
  --shadow-lg:   0 10px 25px rgba(0,0,0,0.08), 0 20px 40px rgba(0,0,0,0.06);
  --shadow-xl:   0 20px 50px rgba(16, 185, 129, 0.15), 0 30px 60px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 40px rgba(16, 185, 129, 0.35);

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Typography Scale (clamp responsive) */
  --text-xs:    clamp(11px, 0.75vw, 12px);
  --text-sm:    clamp(13px, 0.85vw, 14px);
  --text-base:  clamp(15px, 1vw, 16px);
  --text-lg:    clamp(17px, 1.15vw, 18px);
  --text-xl:    clamp(20px, 1.4vw, 22px);
  --text-2xl:   clamp(24px, 1.8vw, 28px);
  --text-3xl:   clamp(28px, 2.2vw, 36px);
  --text-4xl:   clamp(34px, 3vw, 48px);
  --text-5xl:   clamp(42px, 4vw, 64px);
  --text-6xl:   clamp(52px, 5vw, 80px);

  /* Spacing */
  --space-1: 4px;   --space-2: 8px;   --space-3: 12px;
  --space-4: 16px;  --space-5: 20px;  --space-6: 24px;
  --space-8: 32px;  --space-10: 40px; --space-12: 48px;
  --space-16: 64px; --space-20: 80px; --space-24: 96px;
  --space-32: 128px;

  /* Layout */
  --container-max: 1240px;
  --container-narrow: 860px;
  --logo-height: 68px;  /* Logo size đồng bộ theo yêu cầu */

  /* Animation */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-base: 320ms;
  --duration-slow: 600ms;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  /* Lock horizontal touch pan → tránh user kéo qua kéo về khi ngón tay đè */
  touch-action: pan-y;
  overscroll-behavior-x: none;
}
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  /* Đồng bộ lock horizontal touch trên body để cover edge cases */
  touch-action: pan-y;
  overscroll-behavior-x: none;
  width: 100%;
  max-width: 100vw;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── REUSABLE COMPONENTS ── */

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Header (đồng bộ mọi page) */
.ntck-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-200);
  height: 88px;
  display: flex;
  align-items: center;
  transition: background var(--duration-base) var(--ease-out);
}
.ntck-header-inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.ntck-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
}
.ntck-logo img {
  height: var(--logo-height);
  width: auto;
}
.ntck-logo-badge {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: var(--white);
  font-size: 10px;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}
.ntck-header-nav { display: flex; gap: var(--space-6); align-items: center; }
.ntck-header-nav a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-700);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}
.ntck-header-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--green-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}
.ntck-header-nav a:hover { color: var(--green-700); }
.ntck-header-nav a:hover::after { transform: scaleX(1); }

/* Buttons (reusable) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green-500), var(--green-600));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.5);
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}
.btn-primary:hover::after { left: 100%; }
.btn-outline {
  background: var(--white);
  color: var(--green-700);
  border: 2px solid var(--green-500);
}
.btn-outline:hover {
  background: var(--green-50);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--gray-700);
}
.btn-ghost:hover { color: var(--green-700); }
.btn-dark {
  background: var(--gray-900);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--green-700);
  transform: translateY(-2px);
}
.btn-large { padding: 18px 36px; font-size: var(--text-lg); }
.btn-small { padding: 10px 18px; font-size: var(--text-sm); }

/* ── FOOTER (đồng bộ mọi page) ── */
.ntck-footer {
  background: linear-gradient(180deg, #0a1f1c 0%, #0f1f1a 100%);
  color: var(--gray-300);
  padding: var(--space-20) var(--space-6) var(--space-8);
  position: relative;
  overflow: hidden;
}
.ntck-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--green-500), var(--gold), var(--green-500));
  background-size: 200% 100%;
  animation: gradient-flow 8s linear infinite;
}
@keyframes gradient-flow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}
.ntck-footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}
.ntck-footer-brand img {
  height: 120px;
  width: auto;
  margin-bottom: var(--space-4);
  display: block;
}
@media (max-width: 640px) {
  .ntck-footer-brand img { height: 100px; }
}
.ntck-footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--gray-400);
  margin-bottom: var(--space-5);
  max-width: 320px;
}
.ntck-footer-socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.ntck-footer-socials a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
  color: var(--gray-300);
  font-size: 18px;
}
.ntck-footer-socials a:hover {
  background: var(--green-600);
  color: var(--white);
  transform: translateY(-3px) scale(1.05);
}
.ntck-footer-col h4 {
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-5);
  position: relative;
  padding-left: 14px;
}
.ntck-footer-col h4::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 16px;
  background: var(--green-500);
  border-radius: 2px;
}
.ntck-footer-col a {
  display: block;
  color: var(--gray-400);
  font-size: var(--text-sm);
  padding: 6px 0;
  transition: all var(--duration-fast) var(--ease-out);
}
.ntck-footer-col a:hover {
  color: var(--green-400);
  transform: translateX(4px);
}

/* Footer bottom — Bộ Công Thương badge + copyright */
.ntck-footer-bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.ntck-footer-copyright {
  font-size: var(--text-xs);
  color: var(--gray-500);
}
.ntck-footer-copyright strong { color: var(--gray-300); }
.ntck-footer-trust {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.ntck-bct-badge {
  display: inline-block;
  text-decoration: none;
  transition: all var(--duration-base) var(--ease-out);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.25));
  border-radius: var(--radius-md);
  overflow: hidden;
  line-height: 0;
}
.ntck-bct-badge img {
  height: 52px;
  width: auto;
  display: block;
  transition: transform var(--duration-base) var(--ease-out);
}
.ntck-bct-badge:hover {
  filter: drop-shadow(0 6px 16px rgba(196, 30, 58, 0.4));
}
.ntck-bct-badge:hover img {
  transform: scale(1.04);
}

/* ── SCROLL REVEAL ANIMATION ──
   SAFE-BY-DEFAULT: KHÔNG hide .reveal qua CSS. Element luôn visible.
   GSAP (qua JS) sẽ ẩn tạm bằng gsap.set rồi animate vào.
   Nếu GSAP fail/CDN block → element visible default → KHÔNG bao giờ trang trắng. */
.reveal { /* semantic only, no hide */ }
.reveal.visible { opacity: 1; transform: none; }
/* Transition giữ lại để CSS fallback nếu cần dùng cho animation thủ công */
.reveal-left, .reveal-right, .reveal-scale,
.reveal-delay-1, .reveal-delay-2, .reveal-delay-3, .reveal-delay-4 {
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

/* ── GSAP-ENHANCED INTERACTIONS ─────────────────────────────────────
   Khi GSAP load OK, các class hỗ trợ animation mượt hơn. */
.sticky-cta { will-change: transform, opacity; }
.faq-item .faq-answer { overflow: hidden; }
.faq-item .faq-icon { display: inline-block; transform-origin: center center; transition: none; }
.hero-card { will-change: transform; transform: translateZ(0); backface-visibility: hidden; }
.hero-grid { will-change: transform; }
.pricing-card.featured .pricing-badge { transform-origin: center center; }

/* ── RESPONSIVE ── */
@media (max-width: 1279px) {
  .ntck-footer-inner { grid-template-columns: 1fr 1fr; gap: var(--space-10); }
  .ntck-header-nav { display: none; }
}
@media (max-width: 640px) {
  :root { --logo-height: 56px; }
  .ntck-header { height: 76px; }
  .ntck-header-inner { padding: 0 var(--space-4); }
  .ntck-footer { padding: var(--space-12) var(--space-5) var(--space-6); }
  .ntck-footer-inner { grid-template-columns: 1fr; gap: var(--space-8); margin-bottom: var(--space-10); }
  .ntck-footer-brand p { max-width: 100%; }
  .ntck-footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
  .ntck-footer-copyright { text-align: left; line-height: 1.65; }
  .btn-large { padding: 14px 22px; font-size: var(--text-base); }
}

/* ── ACCESSIBILITY ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ── PRINT ── */
@media print {
  .ntck-header, .ntck-footer { display: none; }
  body { color: black; background: white; }
}

/* ═══ MOBILE OVERFLOW + LANDSCAPE FIX ═════════════════════════════════════ */
@media (max-width: 1279px) {
  /* Bảo đảm KHÔNG tràn ngang trên mọi mobile */
  body, html { overflow-x: hidden !important; max-width: 100vw !important; }
  /* Hero cards stack tự nhiên trên mobile thay vì absolute */
  .hero-visual {
    position: relative !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px;
    padding: var(--space-6) 0 0;
  }
  .hero-card {
    position: relative !important;
    inset: auto !important;
    top: auto !important;
    right: auto !important;
    left: auto !important;
    bottom: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    transform: none !important;
  }
  /* Section padding compact để text breathable */
  section { padding-left: var(--space-5); padding-right: var(--space-5); }
}

/* Mobile landscape: dùng svh thay vh để không bị crop khi xoay ngang */
@supports (height: 100svh) {
  .hero { min-height: 100svh; }
  .page-hero { min-height: auto; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   MASTER MOBILE/TABLET FIX 2026-06-04
   ────────────────────────────────────────────────────────────────────────────
   Override TẤT CẢ rule cũ. Specificity cao + !important để guarantee apply.
   Cover: 320px → 1023px (mobile + tablet portrait + tablet landscape)
   ═════════════════════════════════════════════════════════════════════════ */

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   TABLET LANDSCAPE + DESKTOP SMALL (1024-1280px) — không động desktop layout
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   TABLET PORTRAIT + MOBILE (≤1023px) — MASTER FIX
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
@media (max-width: 1279px) {

  /* ─── GLOBAL — không tràn ngang BAO GIỜ ─── */
  html, body {
    overflow-x: hidden !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  * { max-width: 100%; }

  /* ─── HERO — stack vertical, KHÔNG crop cards ─── */
  .hero {
    min-height: auto !important;
    height: auto !important;
    padding: 100px var(--space-5) var(--space-12) !important;
  }
  .hero-inner {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: var(--space-8) !important;
    grid-template-columns: 1fr !important;
    max-width: 100% !important;
  }
  .hero-text, .hero-content { width: 100% !important; text-align: center !important; }
  .hero-eyebrow {
    display: inline-flex !important;
    margin: 0 auto var(--space-4) !important;
    font-size: 13px !important;
  }
  .hero-headline, .hero h1 {
    font-size: clamp(28px, 7vw, 38px) !important;
    line-height: 1.15 !important;
    margin-bottom: var(--space-4) !important;
    word-break: break-word;
  }
  .hero-sub {
    font-size: 15px !important;
    line-height: 1.55 !important;
    margin-bottom: var(--space-6) !important;
  }
  .hero-cta-group {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    width: 100% !important;
    margin: 0 auto var(--space-6) !important;
  }
  .hero-cta-group .btn,
  .hero-cta-group a {
    width: 100% !important;
    max-width: 360px !important;
    margin: 0 auto !important;
    justify-content: center !important;
    padding: 14px 22px !important;
    font-size: 15px !important;
  }
  .hero-trust {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
    margin: 0 auto !important;
    max-width: 280px;
  }
  .hero-trust-item {
    font-size: 13px !important;
    color: rgba(255,255,255,0.85) !important;
  }

  /* HERO VISUAL — stack cards vertical FULL width, KHÔNG bị crop */
  .hero-visual {
    position: relative !important;
    inset: auto !important;
    width: 100% !important;
    max-width: 480px !important;
    margin: 0 auto !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    height: auto !important;
    transform: none !important;
  }
  .hero-card {
    position: relative !important;
    inset: auto !important;
    top: auto !important;
    right: auto !important;
    left: auto !important;
    bottom: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    transform: none !important;
    opacity: 1 !important;
    padding: 14px 16px !important;
  }
  .hero-card-title { font-size: 14px !important; }
  .hero-card-desc  { font-size: 12px !important; line-height: 1.4 !important; }
  .hero-card-icon { width: 36px !important; height: 36px !important; font-size: 18px !important; }

  /* HERO GRID background mobile */
  .hero-grid {
    transform: none !important;
    opacity: 0.4 !important;
  }

  /* ─── HEADER mobile compact ─── */
  .ntck-header {
    height: 76px !important;
    padding: 0 var(--space-4) !important;
  }
  .ntck-header-inner { padding: 0 !important; gap: 8px; }
  .ntck-logo img { height: 48px !important; }
  .ntck-logo-badge { font-size: 8px !important; padding: 3px 6px !important; }
  .ntck-header .btn-small { padding: 8px 12px !important; font-size: 12px !important; }
  .ntck-header-nav { display: none !important; }

  /* ─── SECTIONS — padding compact ─── */
  section {
    padding-left: var(--space-5) !important;
    padding-right: var(--space-5) !important;
  }
  .section-header h2 {
    font-size: clamp(24px, 6vw, 32px) !important;
    line-height: 1.2 !important;
  }
  .section-header p { font-size: 15px !important; }

  /* ─── PAIN cards — 1 column ─── */
  .pain-grid { grid-template-columns: 1fr !important; gap: var(--space-4) !important; }
  .pain-card { padding: var(--space-5) !important; }
  .pain-card h3 { font-size: 18px !important; }
  .pain-card p { font-size: 14px !important; }

  /* ─── FEATURES — 1 column ─── */
  .features-grid { grid-template-columns: 1fr !important; gap: var(--space-4) !important; }
  .feature-card { padding: var(--space-5) !important; }
  .feature-card h3 { font-size: 17px !important; }
  .feature-card p { font-size: 14px !important; }

  /* ─── PRICING — 1 column ─── */
  .pricing-grid { grid-template-columns: 1fr !important; gap: var(--space-5) !important; }
  .pricing-card {
    padding: var(--space-6) var(--space-5) !important;
    transform: none !important;
  }
  .pricing-card.featured { transform: none !important; }
  .pricing-plan-name { font-size: 20px !important; }
  .pricing-price { font-size: 36px !important; }
  .pricing-features li { font-size: 13px !important; }

  /* ─── TESTIMONIALS — 1 col, marquee scale ─── */
  .testimonials-grid { grid-template-columns: 1fr !important; gap: var(--space-4) !important; }
  .testimonial-card { padding: var(--space-5) !important; }
  .testimonial-card .quote { font-size: 14px !important; }

  /* ─── FAQ — compact ─── */
  .faq-question { font-size: 14px !important; padding: 14px 16px !important; }
  .faq-answer-inner { font-size: 13px !important; padding: 0 16px 16px !important; }
  .faq-icon { font-size: 18px !important; }

  /* ─── STATS — 2 col, smaller ─── */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-4) !important;
  }
  .stat-card { padding: var(--space-4) !important; }
  .stat-number { font-size: 28px !important; }
  .stat-label { font-size: 11px !important; }

  /* ─── FOOTER ─── */
  .ntck-footer-inner {
    grid-template-columns: 1fr !important;
    gap: var(--space-6) !important;
  }
  .ntck-footer-brand p { max-width: 100% !important; font-size: 13px !important; }
  .ntck-footer-col h4 { font-size: 13px !important; }
  .ntck-footer-col a { font-size: 13px !important; }
  .ntck-footer-bottom {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }
  .ntck-footer-copyright { font-size: 11px !important; line-height: 1.6 !important; }

  /* ─── BUTTONS mobile touch-friendly ─── */
  .btn { min-height: 44px; padding: 12px 20px !important; font-size: 14px !important; }
  .btn-large { padding: 14px 26px !important; font-size: 15px !important; }
  .btn-small { padding: 8px 14px !important; font-size: 12px !important; }

  /* ─── FORMS — input padding cho mobile ─── */
  input[type="email"], input[type="text"], input[type="tel"], textarea, select {
    font-size: 16px !important; /* prevent iOS zoom on focus */
    padding: 12px 14px !important;
  }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   MOBILE SMALL (≤480px) — iPhone SE, small Android
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
@media (max-width: 480px) {
  .hero { padding: 90px var(--space-4) var(--space-10) !important; }
  .hero h1, .hero-headline { font-size: clamp(24px, 7.5vw, 32px) !important; }
  .hero-sub { font-size: 14px !important; }
  section { padding-left: var(--space-4) !important; padding-right: var(--space-4) !important; }
  .section-header h2 { font-size: 22px !important; }
  .stats-grid { grid-template-columns: 1fr !important; }
  .stat-number { font-size: 32px !important; }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   MOBILE LANDSCAPE (max-height: 500px + portrait orientation)
   Hero không trapping, tự co — content vẫn đọc được
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { padding-top: 80px !important; padding-bottom: var(--space-8) !important; min-height: auto !important; }
  .hero-inner { gap: var(--space-4) !important; }
  .hero h1 { font-size: 24px !important; }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   TABLET LANDSCAPE (1024-1366px) — iPad / Surface
   Giữ desktop layout nhưng container vừa phải
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
@media (min-width: 1280px) and (max-width: 1440px) {
  .container, .ntck-header-inner, .ntck-footer-inner {
    padding-left: var(--space-6) !important;
    padding-right: var(--space-6) !important;
  }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   ULTRA-WIDE (>1920px) — 4K monitors
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
@media (min-width: 1921px) {
  :root { --container-max: 1400px; }
}