/* ===================================================
   VISIO Eyewear — Landing Page Styles
   Palette: White · Gray · Blue Accent
   =================================================== */

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

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

  --accent: #2b6cb0;
  --accent-light: #63b3ed;
  --accent-dark: #1a365d;

  --ink: #1a1a2e;
  --ink-light: #2d3748;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.10), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
  --shadow-blue: 0 8px 32px rgba(43,108,176,0.25);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================== RESET ================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input { font-family: inherit; }

/* ================== LAYOUT ================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ================== TYPOGRAPHY ================== */
.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-title em {
  font-style: italic;
  color: var(--accent);
}
.section-desc {
  font-size: 1rem;
  color: var(--gray-500);
  max-width: 560px;
  line-height: 1.7;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .section-desc {
  margin: 0 auto;
}

/* ================== BUTTONS ================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(43,108,176,0.35);
}
.btn--outline {
  border: 2px solid var(--gray-200);
  color: var(--gray-700);
  background: var(--white);
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn--ghost {
  color: var(--gray-700);
  background: transparent;
  border: 1.5px solid var(--gray-200);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn--white {
  background: var(--white);
  color: var(--accent);
  font-weight: 700;
}
.btn--white:hover {
  background: var(--blue-50);
  transform: translateY(-2px);
}
.btn--lg { padding: 15px 32px; font-size: 0.95rem; }
.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.btn--icon:hover {
  background: var(--accent);
  color: var(--white);
  transform: scale(1.1);
}

/* ================== NAVBAR ================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition);
  padding: 0;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--gray-200), var(--shadow-sm);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.navbar__logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.navbar__nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.navbar__nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-600);
  position: relative;
}
.navbar__nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.navbar__nav a:hover { color: var(--accent); }
.navbar__nav a:hover::after { transform: scaleX(1); }
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all var(--transition);
}
.navbar__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.navbar__mobile {
  display: none;
  flex-direction: column;
  gap: 8px;
  padding: 20px 24px;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--gray-200);
}
.navbar__mobile a {
  padding: 12px 0;
  font-weight: 500;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
}
.navbar__mobile a:last-child { border-bottom: none; }
.navbar__mobile.open { display: flex; }

/* ================== HERO ================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
  background: linear-gradient(135deg, var(--white) 0%, var(--blue-50) 50%, var(--gray-50) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99,179,237,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(43,108,176,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero__eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero__eyebrow::before {
  content: '';
  width: 32px;
  height: 1.5px;
  background: var(--accent);
  flex-shrink: 0;
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero__title em {
  font-style: italic;
  color: var(--accent);
}
.hero__desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 440px;
}
.hero__cta {
  display: flex;
  gap: 16px;
  margin-bottom: 52px;
  flex-wrap: wrap;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero__stat-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1;
}
.hero__stat-label {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-weight: 500;
}
.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__img-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
}
.hero__img-bg {
  width: 100%;
  padding-bottom: 100%;
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  background: linear-gradient(135deg, var(--blue-100) 0%, var(--blue-200) 100%);
  animation: morphBlob 8s ease-in-out infinite;
}
@keyframes morphBlob {
  0%, 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
  25% { border-radius: 70% 30% 50% 50% / 50% 40% 60% 40%; }
  50% { border-radius: 30% 70% 30% 70% / 60% 30% 70% 40%; }
  75% { border-radius: 50% 50% 70% 30% / 40% 60% 40% 60%; }
}
.hero__glasses-showcase {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 85%;
}
.glasses-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-xl);
  text-align: center;
}
.glasses-card--main {
  animation: floatY 4s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.glasses-icon { margin: 0 auto 16px; }
.glasses-card__name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}
.glasses-card__price {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
}
.hero__badge {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  box-shadow: var(--shadow-md);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: floatY 5s ease-in-out infinite;
}
.badge__icon { color: var(--accent); font-size: 1rem; }
.hero__badge--1 { bottom: 18%; right: -8%; animation-delay: 0.5s; }
.hero__badge--2 { top: 18%; left: -8%; animation-delay: 1.5s; }
.hero__scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--gray-400);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.3; }
}

/* ================== BRAND STRIP ================== */
.brand-strip {
  background: var(--ink);
  padding: 16px 0;
  overflow: hidden;
}
.brand-strip__inner {
  display: flex;
  gap: 40px;
  animation: scrollLeft 20s linear infinite;
  width: max-content;
  align-items: center;
}
.brand-strip__inner span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
}
.brand-strip__inner .dot {
  color: var(--accent-light);
  font-size: 1.2rem;
}
@keyframes scrollLeft {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ================== COLLECTIONS ================== */
.collections {
  padding: 100px 0;
  background: var(--white);
}
.category-tabs {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 9px 22px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-500);
  background: var(--gray-100);
  border: 1.5px solid transparent;
  transition: all var(--transition);
}
.tab-btn:hover, .tab-btn.active {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
  box-shadow: var(--shadow-blue);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid var(--gray-100);
  transition: all var(--transition);
  position: relative;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-200);
}
.product-card__img {
  background: var(--gray-50);
  padding: 40px 32px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}
.product-frame {
  width: 100%;
  max-width: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
}
.product-card:hover .product-frame {
  transform: scale(1.08) translateY(-4px);
}
.product-card__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: 50px;
}
.product-card__badge--new { background: var(--gray-800); }
.product-card__badge--sale { background: #e53e3e; }
.product-card__body { padding: 24px; }
.product-card__cat {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 6px;
}
.product-card__name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}
.product-card__colors {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.color-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition);
}
.color-dot:hover { transform: scale(1.3); }
.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-card__price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}
.product-card__price-old {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-400);
  text-decoration: line-through;
  margin-left: 6px;
}
.product-card.hidden { display: none; }
.collections__cta {
  display: flex;
  justify-content: center;
  margin-top: 56px;
}

/* ================== FEATURES ================== */
.features {
  padding: 100px 0;
  background: var(--gray-50);
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1.5px solid var(--gray-100);
  transition: all var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-200);
  box-shadow: var(--shadow-md);
}
.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--blue-50);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all var(--transition);
}
.feature-card:hover .feature-card__icon {
  background: var(--accent);
  color: var(--white);
}
.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ================== ABOUT ================== */
.about {
  padding: 100px 0;
  background: var(--white);
  overflow: hidden;
}
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about__img-block {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.about__img-main {
  width: 100%;
}
.about__mockup {
  position: relative;
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--blue-100) 100%);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 280px;
}
.mockup-circle {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(43,108,176,0.15);
}
.mockup-circle--lg {
  width: 320px;
  height: 320px;
  top: -80px;
  right: -80px;
}
.mockup-circle--sm {
  width: 180px;
  height: 180px;
  bottom: -40px;
  left: -40px;
}
.about__glasses-display {
  position: relative;
  z-index: 1;
  animation: floatY 4s ease-in-out infinite;
}
.about__img-accent {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}
.about__quote {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
}
.about__content { }
.about__text {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 20px;
}
.about__milestones {
  display: flex;
  gap: 32px;
  margin: 40px 0;
  padding: 28px 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}
.milestone {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.milestone__num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
}
.milestone__label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: 0.04em;
}

/* ================== TESTIMONIALS ================== */
.testimonials {
  padding: 100px 0;
  background: var(--gray-50);
}
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1.5px solid var(--gray-100);
  transition: all var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.testimonial-card--featured {
  background: var(--ink);
  border-color: var(--ink);
}
.testimonial-card__stars {
  color: #f6c90e;
  font-size: 0.95rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-card__text {
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--gray-600);
  margin-bottom: 28px;
  font-style: italic;
}
.testimonial-card--featured .testimonial-card__text {
  color: rgba(255,255,255,0.75);
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonial-card__name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}
.testimonial-card--featured .testimonial-card__name {
  color: var(--white);
}
.testimonial-card__role {
  font-size: 0.78rem;
  color: var(--gray-400);
}
.testimonial-card--featured .testimonial-card__role {
  color: rgba(255,255,255,0.5);
}
.testimonials__rating {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 36px;
  border: 1.5px solid var(--gray-100);
}
.rating-summary {
  display: flex;
  align-items: center;
  gap: 20px;
}
.rating-num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1;
}
.rating-stars {
  color: #f6c90e;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 4px;
}
.rating-summary p {
  font-size: 0.82rem;
  color: var(--gray-400);
}
.rating-logos {
  display: flex;
  gap: 24px;
  align-items: center;
}
.rating-logos span {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--gray-300);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ================== CTA BANNER ================== */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 60%, var(--blue-500) 100%);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(255,255,255,0.04)'/%3E%3C/svg%3E");
}
.cta-banner__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.cta-banner__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 16px;
}
.cta-banner__title em {
  font-style: italic;
  color: #93c5fd;
}
.cta-banner__desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 420px;
}
.cta-banner__form {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}
.cta-banner__form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 50px;
  border: 1.5px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.12);
  color: var(--white);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}
.cta-banner__form input::placeholder { color: rgba(255,255,255,0.5); }
.cta-banner__form input:focus { border-color: rgba(255,255,255,0.6); }
.cta-banner__note {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
}
.cta-banner__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.cta-glasses {
  animation: floatY 4s ease-in-out infinite;
  opacity: 0.88;
}

/* ================== FOOTER ================== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 80px;
  padding: 80px 24px 60px;
}
.footer__logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.footer__tagline {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 28px;
  max-width: 240px;
}
.footer__social {
  display: flex;
  gap: 12px;
}
.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--gray-700);
  color: var(--gray-400);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.footer__social a:hover {
  border-color: var(--accent-light);
  color: var(--accent-light);
  background: rgba(43,108,176,0.1);
}
.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__col-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-300);
  margin-bottom: 6px;
}
.footer__col a {
  font-size: 0.88rem;
  color: var(--gray-500);
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--accent-light); }
.footer__bottom {
  border-top: 1px solid var(--gray-800);
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  gap: 16px;
}
.footer__bottom-inner p {
  font-size: 0.8rem;
  color: var(--gray-600);
}

/* ================== TOAST ================== */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--gray-900);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ================== ANIMATIONS ================== */
[data-animate] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate="fade-left"] {
  transform: translateX(40px);
}
[data-animate="fade-right"] {
  transform: translateX(-40px);
}
[data-animate].animated {
  opacity: 1;
  transform: none;
}

/* ================== RESPONSIVE ================== */
@media (max-width: 1024px) {
  .hero__inner { gap: 48px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .about__inner { gap: 48px; }
  .footer__inner { gap: 48px; }
}

@media (max-width: 768px) {
  .navbar__nav, .navbar__actions { display: none; }
  .navbar__hamburger { display: flex; }
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 56px;
    text-align: center;
  }
  .hero__eyebrow { justify-content: center; }
  .hero__desc { margin-left: auto; margin-right: auto; }
  .hero__cta { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__visual { order: -1; }
  .hero__img-wrap { max-width: 320px; margin: 0 auto; }
  .hero__badge--1 { right: 4%; }
  .hero__badge--2 { left: 4%; }
  .products-grid { grid-template-columns: 1fr; }
  .features__grid { grid-template-columns: 1fr; }
  .about__inner { grid-template-columns: 1fr; gap: 40px; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .testimonials__rating {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
  .rating-summary { flex-direction: column; gap: 8px; }
  .cta-banner__inner { grid-template-columns: 1fr; gap: 40px; }
  .cta-banner__visual { display: none; }
  .cta-banner__form { flex-direction: column; }
  .footer__inner { grid-template-columns: 1fr; gap: 48px; }
  .footer__links { grid-template-columns: repeat(2, 1fr); }
  .footer__bottom-inner { flex-direction: column; text-align: center; }
  .hero__scroll-hint { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .products-grid { gap: 16px; }
  .features__grid { gap: 16px; }
  .about__milestones { gap: 16px; }
  .footer__links { grid-template-columns: 1fr; }
  .hero__stats { flex-direction: column; align-items: center; gap: 16px; }
  .hero__stat-divider { width: 40px; height: 1px; }
  .hero__cta { flex-direction: column; align-items: center; }
  .rating-logos { flex-direction: column; gap: 8px; }
}