/* ==========================================================================
   آریا هوشمند دانیار (Ahouda) — Landing Page Styles
   Built from the supplied design PDF. Plain CSS, no framework/build step.
   ========================================================================== */

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
input, textarea { font: inherit; }

/* ---------- Design tokens ---------- */
:root {
  /* Brand colors */
  --teal: #008c8c;
  --teal-strong: #00726f;
  --teal-soft: #14a89e;
  --teal-tint: #e6f7f5;
  --teal-tint-2: #f4fdfd;
  --teal-border: #cdeeea;

  --navy-deep: #0a1a2f;
  --navy-deep-2: #0e2439;
  --teal-deep: #063a3f;
  --teal-deep-2: #01444b;

  --text-heading: #10222b;
  --text-body: #4b5c63;
  --text-muted: #74868c;
  --white: #ffffff;

  /* Gradients */
  --grad-underline: linear-gradient(90deg, var(--teal-soft), var(--navy-deep-2));
  --grad-card-dark: linear-gradient(135deg, #14212f 0%, #1c4d50 55%, #1f6b6a 100%);
  --grad-contact: linear-gradient(160deg, #0c5a55 0%, #0a3d3f 55%, #08222e 100%);

  /* Typography */
  --font-fa: "Vazirmatn", Tahoma, "Segoe UI", sans-serif;

  /* Layout */
  --container-w: 1240px;
  --section-pad: clamp(56px, 9vw, 120px);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-card: 0 20px 45px -18px rgba(10, 40, 45, 0.18);
  --shadow-card-hover: 0 28px 55px -18px rgba(10, 40, 45, 0.28);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

body {
  font-family: var(--font-fa);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

.section-pad { padding-block: var(--section-pad); }

/* ---------- Section heading ---------- */
.section-heading {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 48px;
}
.section-heading h2 {
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem);
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.5;
}
.section-heading p {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 1rem;
}
.underline-accent {
  width: 96px;
  height: 4px;
  margin: 18px auto 0;
  border-radius: 4px;
  background: var(--grad-underline);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1.5px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(0) scale(0.98); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 14px 30px -10px rgba(0, 140, 140, 0.55);
}
.btn-primary:hover {
  background: var(--teal-strong);
  transform: translateY(-3px);
  box-shadow: 0 18px 34px -8px rgba(0, 140, 140, 0.6);
}

.btn-outline {
  background: var(--white);
  color: var(--text-heading);
  border-color: #dfe7e8;
}
.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal-strong);
  transform: translateY(-3px);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(6px);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
}

.btn-pill-sm {
  padding: 9px 20px;
  font-size: 0.85rem;
}

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

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background-color .35s var(--ease), box-shadow .35s var(--ease), padding .35s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px -12px rgba(10, 30, 40, 0.18);
  padding: 12px 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { width: 40px; height: 40px; }
.brand .brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand .brand-en {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 800;
  letter-spacing: 1.5px;
  font-size: 0.95rem;
  color: var(--text-heading);
}
.site-header:not(.is-scrolled) .brand .brand-en,
.site-header:not(.is-scrolled) .brand .brand-fa {
  color: var(--white);
  text-shadow: 0 1px 8px rgba(0,0,0,.25);
}
.brand .brand-fa { font-size: 0.72rem; color: var(--text-muted); }

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-heading);
  position: relative;
  padding-bottom: 4px;
  transition: color .25s var(--ease);
}
.site-header:not(.is-scrolled) .main-nav a { color: var(--white); }
.main-nav a::after {
  content: "";
  position: absolute;
  right: 0; left: 0; bottom: 0;
  height: 2px;
  background: var(--teal-soft);
  transform: scaleX(0);
  transition: transform .3s var(--ease);
}
.main-nav a:hover { color: var(--teal-soft); }
.main-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.site-header:not(.is-scrolled) .header-actions .btn-outline {
  background: rgba(255,255,255,.08);
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1.5px solid rgba(0,0,0,.1);
  background: var(--white);
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; color: var(--text-heading); }

/* Mobile nav panel */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 101;
  background: rgba(10, 26, 47, 0.97);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-nav a { color: var(--white); font-size: 1.25rem; font-weight: 600; }
.mobile-nav .btn { margin-top: 10px; }
.mobile-nav-close {
  position: absolute; top: 22px; inset-inline-end: 24px;
  width: 42px; height: 42px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.3);
  background: transparent; color: var(--white);
  display: flex; align-items: center; justify-content: center;
}
.mobile-nav-close svg { width: 20px; height: 20px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  padding-bottom: 120px;
  overflow: hidden;
  color: var(--white);
}
.hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
}
.hero-veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4,20,24,.35) 0%, rgba(4,25,29,.15) 45%, #ffffff 100%);
  z-index: -1;
}
.hero-content { max-width: 760px; margin-inline-start: auto; text-align: end; }
.hero-content h1 {
  font-size: clamp(2rem, 1.1rem + 3.6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.35;
}
.hero-content h1 .line-accent { color: var(--teal-soft); display: block; }
.hero-content p {
  margin-top: 26px;
  font-size: clamp(0.95rem, 0.85rem + .4vw, 1.15rem);
  color: rgba(30, 45, 50, .85);
  max-width: 620px;
  margin-inline-start: auto;
}
.hero-cta { display: flex; gap: 16px; margin-top: 38px; justify-content: flex-end; flex-wrap: wrap; }

/* Hero entrance animation (staggered) */
.hero-content h1,
.hero-content p,
.hero-cta {
  opacity: 0;
  transform: translateY(26px);
  animation: heroRise .8s var(--ease) forwards;
}
.hero-content h1 { animation-delay: .15s; }
.hero-content p { animation-delay: .4s; }
.hero-cta { animation-delay: .62s; }
@keyframes heroRise {
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-content h1, .hero-content p, .hero-cta { animation: none; opacity: 1; transform: none; }
}

/* Dotted fade decoration under hero */
.dot-fade {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 220px;
  background-image: radial-gradient(circle, var(--teal-border) 1.6px, transparent 1.7px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
  opacity: .8;
  pointer-events: none;
}

/* ---------- Reveal-on-scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal="scale"] { transform: translateY(24px) scale(.96); }
[data-reveal="scale"].is-visible { transform: translateY(0) scale(1); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* Stagger children helper (set --stagger-index via inline style) */
[data-reveal] { transition-delay: calc(var(--stagger-index, 0) * 90ms); }

/* ---------- Stats ---------- */
.stats-section { position: relative; text-align: center; }
.stats-card {
  background: var(--white);
  border: 1px solid var(--teal-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(28px, 4vw, 48px) clamp(16px, 4vw, 40px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item { text-align: center; }
.stat-number {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.5rem);
  font-weight: 800;
  color: var(--teal);
  direction: ltr;
  unicode-bidi: isolate;
}
.stat-prefix { font-size: 0.75em; }
.stat-label { margin-top: 10px; font-size: .95rem; color: var(--text-muted); }

/* ---------- Mission / Vision ---------- */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.mv-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  min-height: 420px;
  overflow: hidden;
  color: var(--white);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}
.mv-card.vision { background: linear-gradient(160deg, #0d2440 0%, var(--navy-deep) 100%); }
.mv-card.mission { background: linear-gradient(160deg, #0c4d51 0%, var(--teal-deep-2) 100%); }
.mv-card .mv-body { position: relative; z-index: 1; }
.mv-card h3 { font-size: 1.6rem; font-weight: 700; }
.mv-card .underline-accent { margin-inline: 0; margin-top: 16px; }
.mv-card p { margin-top: 22px; color: rgba(255,255,255,.82); max-width: 480px; font-size: 1rem; }
.mv-card .mv-art {
  position: absolute;
  z-index: 0;
  inset-inline-end: -10px;
  bottom: -10px;
  width: 58%;
  max-width: 280px;
  opacity: .5;
  pointer-events: none;
  transition: transform .6s var(--ease);
}
.mv-card:hover .mv-art { transform: translateY(-6px) scale(1.03); }

/* ---------- Why cards ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.why-card {
  background: var(--white);
  border: 1px solid var(--teal-border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  text-align: center;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.why-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--teal);
}
.why-icon {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  border-radius: 14px;
  border: 1.5px solid var(--teal-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
  transition: transform .35s var(--ease), background-color .35s var(--ease);
}
.why-card:hover .why-icon { transform: rotate(-6deg) scale(1.08); background: var(--teal-tint); }
.why-icon svg { width: 26px; height: 26px; }
.why-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-heading); margin-bottom: 12px; }
.why-card p { font-size: .9rem; color: var(--text-muted); }

/* ---------- Products ---------- */
.products-section .section-heading { max-width: 900px; }
.tab-list {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.tab-btn {
  padding: 12px 26px;
  border-radius: 999px;
  border: 1.5px solid var(--teal-border);
  background: var(--white);
  color: var(--text-heading);
  font-weight: 600;
  font-size: .95rem;
  transition: all .3s var(--ease);
}
.tab-btn:hover { border-color: var(--teal); color: var(--teal-strong); }
.tab-btn.is-active {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
  box-shadow: 0 12px 24px -10px rgba(0,140,140,.55);
}

.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: panelFade .5s var(--ease); }
@keyframes panelFade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .tab-panel.is-active { animation: none; } }

.tab-placeholder {
  text-align: center;
  padding: 80px 24px;
  border-radius: var(--radius-lg);
  border: 1.5px dashed var(--teal-border);
  color: var(--text-muted);
  font-size: 1.05rem;
  background: var(--teal-tint-2);
}

.product-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: center;
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 52px);
  margin-bottom: 28px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.product-card:hover { transform: translateY(-6px); }

.product-card.is-dark {
  background: var(--grad-card-dark);
  color: var(--white);
  box-shadow: var(--shadow-card);
}
.product-card.is-light {
  background: var(--teal-tint-2);
  border: 1px solid var(--teal-border);
}

.product-visual {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.product-card.is-dark .product-visual {
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, rgba(255,255,255,.02) 70%);
  border: 1px solid rgba(255,255,255,.12);
}
.product-visual .icon-brain-lg { width: 46%; height: 46%; color: var(--teal-soft); }
.product-card.is-dark .product-visual .icon-brain-lg {
  filter: drop-shadow(0 0 14px rgba(20, 214, 200, .5));
  animation: floatSlow 5s ease-in-out infinite;
}
@keyframes floatSlow { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@media (prefers-reduced-motion: reduce) { .product-visual .icon-brain-lg { animation: none; } }

.product-body h3 { font-size: 1.5rem; font-weight: 700; }
.product-card.is-light .product-body h3 { color: var(--text-heading); }
.product-body p.lead { margin-top: 16px; font-size: 1rem; line-height: 1.9; }
.product-card.is-dark .product-body p.lead { color: rgba(255,255,255,.85); }
.product-card.is-light .product-body p.lead { color: var(--text-body); }

.check-list { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.check-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: .95rem;
  justify-content: flex-end;
  text-align: end;
}
.check-list li svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--teal-soft); }
.product-card.is-light .check-list li svg { color: var(--teal); }
.product-card.is-light .check-list li { color: var(--text-body); }

.product-body .btn { margin-top: 28px; }

/* Hirence mock card (built with CSS, not an image) */
.mock-card {
  background: var(--white);
  border-radius: 22px;
  box-shadow: 0 24px 40px -18px rgba(10,60,60,.18);
  padding: 22px;
  width: 100%;
  transform: rotate(-2deg);
  transition: transform .4s var(--ease);
}
.product-card.is-light:hover .mock-card { transform: rotate(0deg) translateY(-4px); }
.mock-card .mock-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.mock-card .mock-name-pill { width: 58%; height: 10px; border-radius: 6px; background: var(--teal-tint); }
.mock-card .mock-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--teal-tint);
  color: var(--teal);
  display: flex; align-items: center; justify-content: center;
}
.mock-card .mock-avatar svg { width: 16px; height: 16px; }
.mock-card .mock-line { height: 8px; border-radius: 4px; background: #eef2f3; margin-bottom: 10px; }
.mock-card .mock-line:nth-child(3) { width: 92%; }
.mock-card .mock-line:nth-child(4) { width: 78%; }
.mock-card .mock-actions { display: flex; gap: 10px; margin-top: 16px; }
.mock-card .mock-chip { flex: 1; height: 34px; border-radius: 10px; background: var(--teal-tint); }
.mock-card .mock-chip.alt { background: var(--teal); }

/* AI mini tools */
.tools-intro { text-align: center; max-width: 760px; margin: 0 auto 40px; }
.tools-intro h3 { font-size: 1.5rem; font-weight: 700; color: var(--text-heading); }
.tools-intro p { margin-top: 12px; color: var(--text-muted); }

.tools-track-wrap { position: relative; }
.tools-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 1fr);
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 6px;
  scrollbar-width: none;
}
.tools-track::-webkit-scrollbar { display: none; }
.tool-card {
  scroll-snap-align: start;
  background: var(--white);
  border: 1px solid var(--teal-border);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.tool-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.tool-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.badge-published {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .72rem; font-weight: 600;
  color: var(--teal-strong);
  background: var(--teal-tint);
  border-radius: 999px;
  padding: 5px 11px;
}
.badge-published::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.tool-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--teal-tint-2); display: flex; align-items: center; justify-content: center; color: var(--teal); }
.tool-icon svg { width: 18px; height: 18px; }
.tool-card h4 { font-size: 1.02rem; font-weight: 700; color: var(--text-heading); margin-bottom: 8px; }
.tool-card p { font-size: .87rem; color: var(--text-muted); }

.tools-nav { display: flex; gap: 12px; margin-top: 26px; }
.tools-nav button {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1.5px solid var(--teal-border);
  background: var(--white); color: var(--teal);
  display: flex; align-items: center; justify-content: center;
  transition: all .3s var(--ease);
}
.tools-nav button:hover { background: var(--teal); color: var(--white); border-color: var(--teal); transform: translateY(-2px); }
.tools-nav button svg { width: 18px; height: 18px; }

/* ---------- Contact ---------- */
.contact-section {
  background: var(--grad-contact);
  color: var(--white);
  text-align: center;
}
.contact-section .section-heading h2 { color: var(--white); }
.contact-section .section-heading p { color: rgba(255,255,255,.75); }
.contact-form-card {
  max-width: 880px;
  margin: 0 auto;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 46px);
  backdrop-filter: blur(10px);
  text-align: start;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label { font-size: .88rem; color: rgba(255,255,255,.75); }
.form-field input, .form-field textarea {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 12px;
  padding: 13px 16px;
  color: var(--white);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}
.form-field textarea { resize: vertical; min-height: 110px; font-family: inherit; }
.form-field input::placeholder, .form-field textarea::placeholder { color: rgba(255,255,255,.45); }
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--teal-soft);
  background: rgba(255,255,255,.12);
}
.form-submit {
  margin-top: 8px;
  background: var(--white);
  color: var(--teal-deep-2);
}
.form-submit:hover { background: var(--teal-tint); }
.form-note {
  margin-top: 16px;
  font-size: .85rem;
  color: var(--teal-soft);
  text-align: center;
  min-height: 1.2em;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,.78);
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand .brand-en, .footer-brand .brand-fa { color: var(--white); }
.footer-brand p { font-size: .92rem; line-height: 1.9; max-width: 320px; }
.footer-col h5 { color: var(--white); font-size: 1.05rem; font-weight: 700; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 14px; }
.footer-col a, .footer-col li { font-size: .92rem; transition: color .25s var(--ease); }
.footer-col a:hover { color: var(--teal-soft); }
.footer-contact li { display: flex; align-items: center; gap: 10px; justify-content: flex-end; }
.footer-contact li svg { width: 17px; height: 17px; color: var(--teal-soft); flex-shrink: 0; }
.footer-bottom { text-align: center; padding: 26px 0; font-size: .85rem; color: rgba(255,255,255,.5); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .main-nav, .header-actions .btn-outline { display: none; }
  .nav-toggle { display: flex; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .mv-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .footer-contact li, .footer-brand p { justify-content: center; margin-inline: auto; }
  .hero-content { text-align: center; margin-inline: auto; }
  .hero-cta { justify-content: center; }
  .hero-content p { margin-inline: auto; }
}

@media (max-width: 760px) {
  .mv-art { width: 42% !important; opacity: .32 !important; }
  .stats-card { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .product-card { grid-template-columns: 1fr; text-align: center; }
  .product-visual { max-width: 200px; margin: 0 auto; }
  .check-list li, .footer-contact li { justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .tab-list { gap: 10px; }
  .tab-btn { padding: 10px 18px; font-size: .88rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero { padding-top: 120px; }
  .btn { padding: 12px 22px; font-size: .88rem; }
  .stats-card { grid-template-columns: 1fr 1fr; padding: 26px 18px; }
}