/* =====================================================
   پارس فرانشر ثریا — استایل اصلی
   تم: روشنِ سبزِ زمردی + زرد ملایم (برگرفته از هویت لوگو)
   سبز لوگو: #00A878 — زرد لوگو: #F2D84B
   ===================================================== */

:root {
  /* سبز هویتی (از لوگو) */
  --brand-800: #0A5A42;
  --brand-700: #0B6B4E;
  --brand-600: #0E8A63;
  --brand-500: #00A878;
  --brand-400: #2EC493;
  --brand-100: #D8F1E6;
  --brand-50: #F0F9F5;

  /* زرد اکسنت (از لوگو) */
  --sun-600: #C9A81E;
  --sun-500: #F2D84B;
  --sun-300: #FCE97E;
  --sun-100: #FDF6D8;

  /* رنگ محصولات */
  --book: #16a37a;        /* فراکتاب — سبز */
  --book-dark: #0d7a58;
  --book-tint: #e7f7f0;
  --sms: #2f7fe0;         /* نگین — آبی */
  --sms-dark: #1f61b8;
  --sms-tint: #e9f1fd;

  /* خنثی با ته‌رنگ سبز */
  --ink: #14352A;
  --slate: #4F6A5E;
  --mist: #7E958A;
  --bg-light: #F6FAF7;
  --bg-card: #ffffff;
  --line: rgba(20, 53, 42, 0.10);

  --radius: 18px;
  --shadow-sm: 0 2px 10px rgba(10, 90, 66, 0.07);
  --shadow-md: 0 10px 34px rgba(10, 90, 66, 0.12);
  --shadow-lg: 0 24px 60px rgba(10, 90, 66, 0.16);

  --font: "Vazirmatn", "Segoe UI", Tahoma, sans-serif;
  --container: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg-light);
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

::selection { background: var(--sun-300); color: var(--brand-800); }

/* ---------- کمکی ---------- */
.section { padding: 96px 0; }
.section-alt { background: #fff; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--brand-700);
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--sun-500);
}

.section-title {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: 14px;
}
.section-title .accent { color: var(--brand-600); }

.section-sub {
  color: var(--slate);
  max-width: 620px;
  font-size: 1.02rem;
}

/* =====================================================
   هدر
   ===================================================== */
.header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
  padding: 18px 0;
}
.header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 6px 30px rgba(10, 90, 66, 0.10);
  padding: 10px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand-mark { flex-shrink: 0; height: 46px; width: auto; }
.brand-name { font-size: 1.12rem; font-weight: 800; line-height: 1.3; }
.brand-name small {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--brand-600);
  letter-spacing: 0.08em;
}

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  color: var(--slate);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 10px;
  transition: color 0.25s, background 0.25s;
}
.nav a:hover { color: var(--brand-800); background: var(--brand-50); }
.nav a.active { color: var(--brand-700); background: var(--brand-100); }

.header-cta {
  background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
  color: #fff;
  font-weight: 800;
  font-size: 0.92rem;
  padding: 10px 22px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 168, 120, 0.35);
  transition: transform 0.25s, box-shadow 0.25s;
  white-space: nowrap;
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0, 168, 120, 0.45);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--brand-800);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================================================
   هیرو
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(0, 168, 120, 0.16), transparent 60%),
    radial-gradient(800px 420px at 8% 110%, rgba(242, 216, 75, 0.20), transparent 60%),
    linear-gradient(160deg, #F4FAF6 0%, #EBF6F0 55%, #DFF1E8 100%);
  color: var(--ink);
  padding: 140px 0 110px;
  overflow: hidden;
}

.stars { position: absolute; inset: 0; pointer-events: none; }
.star {
  position: absolute;
  border-radius: 50%;
  background: var(--brand-400);
  opacity: 0.6;
  animation: twinkle 3.4s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.08; transform: scale(0.8); }
  50% { opacity: 0.5; transform: scale(1.15); }
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-700);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--brand-100);
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: 26px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.45;
  margin-bottom: 20px;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--brand-500), var(--brand-800));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  color: var(--slate);
  font-size: 1.08rem;
  max-width: 540px;
  margin-bottom: 38px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 14px;
  border: 0;
  cursor: pointer;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}
.btn-brand {
  background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
  color: #fff;
  box-shadow: 0 10px 30px rgba(0, 168, 120, 0.35);
}
.btn-brand:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(0, 168, 120, 0.45); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--brand-800);
  border: 1px solid var(--brand-100);
}
.btn-ghost:hover { background: #fff; transform: translateY(-3px); }

/* ویژوال هیرو: لوگو + کارت‌های شناور */
.hero-visual { position: relative; display: flex; justify-content: center; }

.orbit-wrap {
  position: relative;
  width: min(440px, 100%);
  aspect-ratio: 1;
}

.orbit {
  position: absolute;
  inset: 0;
  border: 1.5px dashed rgba(11, 107, 78, 0.20);
  border-radius: 50%;
  animation: spin 60s linear infinite;
}
.orbit.o2 { inset: 14%; animation-duration: 44s; animation-direction: reverse; }
.orbit.o3 { inset: 28%; animation-duration: 32s; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-logo {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 200px;
  filter: drop-shadow(0 18px 40px rgba(10, 90, 66, 0.30));
  animation: pulse 5s ease-in-out infinite;
}

.cluster {
  position: absolute;
  inset: 30%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(0, 168, 120, 0.18), rgba(242, 216, 75, 0.10) 60%, transparent 75%);
  filter: blur(2px);
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.06); opacity: 1; }
}

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(20, 53, 42, 0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}
.float-card .fc-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.float-card strong { display: block; font-size: 0.98rem; line-height: 1.5; color: var(--ink); }
.float-card span { font-size: 0.78rem; color: var(--slate); }

.fc-book { top: 6%; inset-inline-start: -4%; animation-delay: 0.4s; }
.fc-book .fc-icon { background: rgba(22, 163, 122, 0.15); color: var(--book-dark); }
.fc-sms { bottom: 10%; inset-inline-end: -4%; }
.fc-sms .fc-icon { background: rgba(47, 127, 224, 0.13); color: var(--sms-dark); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  inset-inline-start: 50%;
  transform: translateX(50%);
  color: rgba(20, 53, 42, 0.55);
  font-size: 0.78rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.hero-scroll svg { animation: bob 1.8s ease-in-out infinite; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* =====================================================
   نوار آمار
   ===================================================== */
.stats {
  background: var(--bg-light);
  color: var(--ink);
  padding: 0;
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  transform: translateY(-58px);
}
.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--brand-500), var(--sun-500), transparent);
}
.stat-num {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--brand-600);
  line-height: 1.4;
}
.stat-label { font-size: 0.9rem; color: var(--slate); }

/* =====================================================
   درباره ما
   ===================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.about-text p { color: var(--slate); margin-bottom: 18px; }
.about-text p strong { color: var(--ink); }

.about-points { display: grid; gap: 14px; margin-top: 28px; }
.about-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
}
.ap-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--sun-100);
  color: var(--sun-600);
}
.about-point strong { display: block; margin-bottom: 2px; }
.about-point span { font-size: 0.9rem; color: var(--slate); }

.about-visual { position: relative; }
.about-frame {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(160deg, #E3F4EC, #D2ECDF);
  aspect-ratio: 4 / 4.6;
  display: grid;
  place-items: center;
  position: relative;
}
.about-frame svg { width: 72%; height: auto; opacity: 0.95; }
.about-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 260px at 50% 20%, rgba(242, 216, 75, 0.16), transparent 70%);
}
.about-chip {
  position: absolute;
  bottom: 22px;
  inset-inline: 22px;
  display: flex;
  justify-content: space-around;
  gap: 10px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(20, 53, 42, 0.07);
  border-radius: 14px;
  padding: 12px;
}
.about-chip div { text-align: center; color: var(--slate); font-size: 0.8rem; }
.about-chip b { display: block; color: var(--brand-700); font-size: 0.92rem; }

/* =====================================================
   محصولات
   ===================================================== */
.products-head { text-align: center; margin-bottom: 54px; }
.products-head .section-sub { margin-inline: auto; }

.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.product-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 38px 34px 34px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 5px;
}
.product-card.p-book::before { background: linear-gradient(90deg, var(--book), var(--book-dark)); }
.product-card.p-sms::before { background: linear-gradient(90deg, var(--sms), var(--sms-dark)); }

.pc-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.pc-icon {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.p-book .pc-icon { background: var(--book-tint); color: var(--book-dark); }
.p-sms .pc-icon { background: var(--sms-tint); color: var(--sms-dark); }

.pc-top h3 { font-size: 1.45rem; font-weight: 800; line-height: 1.4; }
.pc-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 999px;
  margin-top: 4px;
}
.p-book .pc-tag { background: var(--book-tint); color: var(--book-dark); }
.p-sms .pc-tag { background: var(--sms-tint); color: var(--sms-dark); }

.product-card > p { color: var(--slate); font-size: 0.97rem; margin-bottom: 22px; }

.pc-features { display: grid; gap: 12px; margin-bottom: 28px; }
.pc-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--ink);
}
.pc-features svg { flex-shrink: 0; margin-top: 5px; }
.p-book .pc-features svg { color: var(--book); }
.p-sms .pc-features svg { color: var(--sms); }

.pc-links { margin-top: auto; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.pc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: 12px;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}
.p-book .pc-link.primary { background: var(--book-dark); color: #fff; box-shadow: 0 8px 22px rgba(13, 122, 88, 0.3); }
.p-sms .pc-link.primary { background: var(--sms-dark); color: #fff; box-shadow: 0 8px 22px rgba(31, 97, 184, 0.3); }
.pc-link.primary:hover { transform: translateY(-2px); }
.pc-link.secondary {
  color: var(--slate);
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 600;
}
.pc-link.secondary:hover { border-color: var(--mist); color: var(--ink); }
.pc-link small { font-size: 0.8rem; font-weight: 500; opacity: 0.85; }

/* =====================================================
   چرا ما
   ===================================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 54px;
}
.why-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.why-icon {
  width: 62px; height: 62px;
  margin: 0 auto 18px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--brand-100), var(--sun-100));
  color: var(--brand-700);
}
.why-card h3 { font-size: 1.08rem; font-weight: 800; margin-bottom: 8px; }
.why-card p { font-size: 0.9rem; color: var(--slate); }

/* =====================================================
   تماس
   ===================================================== */
.contact {
  background:
    radial-gradient(900px 400px at 90% 0%, rgba(0, 168, 120, 0.14), transparent 60%),
    radial-gradient(700px 360px at 5% 100%, rgba(242, 216, 75, 0.16), transparent 60%),
    linear-gradient(160deg, #EDF7F2, #E2F3EA);
  color: var(--ink);
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact .section-title { color: var(--ink); }
.contact .section-sub { color: var(--slate); }

.contact-items { display: grid; gap: 16px; margin-top: 34px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 20px;
  transition: background 0.25s, border-color 0.25s;
}
.contact-item:hover { background: #fff; border-color: var(--brand-400); }
.ci-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--brand-100);
  color: var(--brand-700);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.contact-item small { display: block; font-size: 0.78rem; color: var(--mist); }
.contact-item a, .contact-item span { font-size: 1rem; font-weight: 700; color: var(--ink); direction: ltr; }
.contact-item span.fa { direction: rtl; font-weight: 500; font-size: 0.9rem; }

.contact-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
}
.contact-form h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate);
  margin-bottom: 8px;
}
.field input,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--brand-50);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.25s, background 0.25s;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--mist); }
.field input:focus,
.field textarea:focus { border-color: var(--brand-500); background: #fff; }
.field textarea { resize: vertical; min-height: 120px; }
input.ltr { direction: ltr; text-align: left; }

.form-note { font-size: 0.78rem; color: var(--mist); margin-top: 12px; }

/* =====================================================
   فوتر
   ===================================================== */
.footer {
  background: linear-gradient(160deg, #103B2D, #0A2C21);
  color: rgba(255, 255, 255, 0.78);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 44px;
}
.footer .brand { color: #fff; }
.footer .brand-name small { color: var(--sun-300); }
.footer-brand p { font-size: 0.9rem; margin-top: 16px; max-width: 340px; }
.footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 18px;
}
.footer-links { display: grid; gap: 10px; }
.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.68);
  transition: color 0.25s, padding 0.25s;
}
.footer-links a:hover { color: var(--sun-300); padding-inline-start: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
}
.footer-bottom .heart { color: var(--sun-500); }

/* ---------- بازگشت به بالا ---------- */
.to-top {
  position: fixed;
  bottom: 26px;
  inset-inline-start: 26px;
  width: 48px; height: 48px;
  border-radius: 14px;
  border: 0;
  cursor: pointer;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
  color: #fff;
  box-shadow: 0 10px 26px rgba(0, 168, 120, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  z-index: 90;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- انیمیشن ورود ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.12s; }
.reveal[data-delay="2"] { transition-delay: 0.24s; }
.reveal[data-delay="3"] { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* =====================================================
   ریسپانسیو
   ===================================================== */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 16px; padding-inline: 24px; }
}

@media (max-width: 900px) {
  .section { padding: 72px 0; }
  .hero { padding: 120px 0 90px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-lead { margin-inline: auto; }
  .hero-content { text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .products-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-scroll { display: none; }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    top: 0;
    inset-inline: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    padding: 90px 24px 32px;
    gap: 8px;
    transform: translateY(-110%);
    transition: transform 0.4s ease;
    z-index: -1;
    align-items: stretch;
    text-align: center;
    box-shadow: 0 20px 40px rgba(10, 90, 66, 0.12);
  }
  .nav.open { transform: translateY(0); }
  .nav a { font-size: 1.05rem; padding: 12px; }
  .nav-toggle { display: block; z-index: 101; }
  .header-cta { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .float-card { display: none; }
}

@media (max-width: 480px) {
  .container { padding-inline: 18px; }
  .stats-inner { grid-template-columns: 1fr; }
  .stat-card { padding: 22px 16px; }
  .product-card { padding: 30px 22px; }
  .contact-form { padding: 26px 20px; }
}