/* ============================================
   SupercomputadoraIA.com — ASUS Ascent GX10
   ============================================ */

:root {
  --bg-primary: #06080f;
  --bg-secondary: #0c1018;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #76b900;
  --accent-light: #8fd400;
  --accent-glow: rgba(118, 185, 0, 0.35);
  --accent-blue: #00d4ff;
  --accent-purple: #8b5cf6;
  --gradient-main: linear-gradient(135deg, #76b900 0%, #00d4ff 50%, #8b5cf6 100%);
  --gradient-text: linear-gradient(90deg, #76b900, #00d4ff);
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(118, 185, 0, 0.3);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(118, 185, 0, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --header-height: 72px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.accent { color: var(--accent); }

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(6, 8, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(6, 8, 15, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
}

.nav__logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.nav__logo-icon {
  color: var(--accent);
  font-size: 1.4rem;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav__link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav__link--cta {
  background: var(--accent);
  color: #0a0e17 !important;
  font-weight: 600;
}

.nav__link--cta:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: var(--accent);
  color: #0a0e17;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--full { width: 100%; }
.btn--sm { padding: 10px 20px; font-size: 0.85rem; }

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  padding: calc(var(--header-height) + 40px) 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
}

.hero__parallax {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform;
}

.hero__parallax--1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
}

.hero__parallax--2 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  left: -150px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
}

.hero__parallax--3 {
  width: 300px;
  height: 300px;
  top: 40%;
  left: 30%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(118, 185, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(118, 185, 0, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(118, 185, 0, 0.1);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 24px;
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero__stats {
  display: flex;
  gap: 32px;
  margin-bottom: 36px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat__value {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent);
  line-height: 1;
}

.stat__unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: -4px;
}

.stat__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero__trust {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero__product {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.product-glow {
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.product-frame {
  position: relative;
  perspective: 1000px;
}

.hero__product-img {
  max-width: min(520px, 100%);
  height: auto;
  display: block;
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.5));
  transition: transform 0.6s ease;
}

.product-frame:hover .hero__product-img {
  transform: translateY(-6px) scale(1.02);
}

.product-showcase {
  margin-bottom: 48px;
  text-align: center;
}

.product-showcase__img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.product-showcase figcaption {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.product-caption {
  margin-top: 40px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  animation: bounce 2s infinite;
  z-index: 2;
}

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

/* ========== PAIN SECTION ========== */
.pain-section {
  padding: 80px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pain-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}

.pain-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.pain-card--problem {
  background: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.2);
}

.pain-card--solution {
  background: rgba(118, 185, 0, 0.05);
  border-color: var(--border-accent);
}

.pain-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 16px;
}

.pain-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.pain-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pain-arrow {
  font-size: 2rem;
  color: var(--accent);
  font-weight: 300;
}

/* ========== SECTION HEADER ========== */
.section-header {
  margin-bottom: 56px;
}

.section-header--center {
  text-align: center;
}

.section-header--center p {
  max-width: 560px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ========== FEATURES ========== */
.features {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.features__parallax {
  position: absolute;
  top: 20%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(118, 185, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
  will-change: transform;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.feature-card--highlight {
  grid-row: span 2;
  background: linear-gradient(145deg, rgba(118, 185, 0, 0.08) 0%, var(--bg-card) 100%);
  border-color: var(--border-accent);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card__icon svg {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.feature-list {
  list-style: none;
  margin-top: auto;
}

.feature-list li {
  padding: 8px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
}

.feature-list li::before {
  content: '→ ';
  color: var(--accent);
}

/* Specs panel */
.specs-panel {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.specs-panel h3 {
  font-size: 1.25rem;
  margin-bottom: 24px;
}

.specs-grid {
  display: grid;
  gap: 0;
}

.spec-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.spec-row span:first-child {
  color: var(--text-muted);
  font-weight: 500;
}

.spec-row span:last-child {
  color: var(--text-primary);
}

.specs-link {
  display: inline-block;
  margin-top: 24px;
  color: var(--accent);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
}

.specs-link:hover {
  color: var(--accent-light);
}

/* ========== PARALLAX BREAK ========== */
.parallax-break {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.parallax-break__bg {
  position: absolute;
  inset: -50%;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(118, 185, 0, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    var(--bg-secondary);
  will-change: transform;
}

.parallax-break__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.parallax-break blockquote {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 20px;
}

.parallax-break blockquote em {
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
}

.parallax-break cite {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: normal;
}

/* ========== USE CASES ========== */
.use-cases {
  padding: 100px 0;
}

.use-cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.use-case {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.use-case:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.use-case__number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.use-case h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.use-case > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.use-case ul {
  list-style: none;
}

.use-case li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
}

.use-case li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ========== ROI SECTION ========== */
.roi-section {
  padding: 100px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.roi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.roi-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 16px;
}

.roi-content h2 em {
  color: var(--accent);
  font-style: normal;
}

.roi-content > p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.roi-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.roi-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.roi-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: rgba(118, 185, 0, 0.15);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.roi-point strong {
  display: block;
  margin-bottom: 2px;
}

.roi-point span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.roi-chart {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.roi-bar {
  position: relative;
}

.roi-bar__label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.roi-bar__fill {
  height: 48px;
  width: var(--fill);
  border-radius: 8px;
  transition: width 1.5s ease;
}

.roi-bar--cloud .roi-bar__fill {
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.6), rgba(239, 68, 68, 0.3));
}

.roi-bar--local .roi-bar__fill {
  background: linear-gradient(90deg, var(--accent), rgba(118, 185, 0, 0.4));
}

.roi-bar__value {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.roi-disclaimer {
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ========== BLOG ========== */
.blog {
  padding: 100px 0;
}

.blog__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.blog-card--featured {
  grid-row: span 1;
}

.blog-card__image {
  height: 180px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.05);
}

.blog-card--featured .blog-card__image {
  height: 220px;
}

.blog-card__content {
  padding: 24px;
}

.blog-card__tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.blog-card h3 {
  font-size: 1.05rem;
  margin: 8px 0 12px;
  line-height: 1.4;
}

.blog-card--featured h3 {
  font-size: 1.25rem;
}

.blog-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.blog-card__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: var(--transition);
}

.blog-card__link:hover {
  color: var(--accent-light);
}

/* ========== BUY SECTION ========== */
.buy {
  position: relative;
  padding: 100px 0 120px;
  overflow: hidden;
}

.buy__parallax {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  will-change: transform;
}

.buy__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.buy__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.buy-badge {
  padding: 6px 12px;
  background: rgba(118, 185, 0, 0.1);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
}

.buy__info h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.buy__info > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.buy__benefits {
  list-style: none;
  margin-bottom: 32px;
}

.buy__benefits li {
  padding: 10px 0;
  padding-left: 28px;
  position: relative;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.buy__benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.buy__official {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.buy__official p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.contact-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: var(--transition);
}

.contact-item:hover .contact-item__value {
  color: var(--accent);
}

.contact-item__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.contact-item__value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.footer__contact a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer__contact a:hover {
  color: var(--accent);
}

.affiliate-notice {
  padding: 20px 24px;
  margin-bottom: 32px;
  background: rgba(118, 185, 0, 0.06);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
}

.affiliate-notice p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.affiliate-notice strong {
  color: var(--text-primary);
}

/* Form */
.buy__form {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group select {
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-note {
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* ========== FOOTER ========== */
.footer {
  padding: 64px 0 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 320px;
}

.footer__links h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.footer__links ul {
  list-style: none;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer__links a:hover {
  color: var(--accent);
}

.footer__bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer__legal {
  margin-top: 8px;
  font-size: 0.75rem !important;
}

/* ========== TOAST ========== */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  transform: translateY(120%);
  opacity: 0;
  transition: var(--transition);
  z-index: 9999;
  max-width: 360px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ========== ANIMATIONS ========== */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  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="scale"] {
  transform: scale(0.9);
}

[data-animate].visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* ========== RESPONSIVE — TABLET ========== */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: calc(var(--header-height) + 60px);
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__product {
    order: -1;
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card--highlight {
    grid-row: span 1;
  }

  .use-cases__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog__grid {
    grid-template-columns: 1fr 1fr;
  }

  .blog-card--featured {
    grid-column: span 2;
  }

  .roi-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .buy__grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ========== RESPONSIVE — MOBILE ========== */
@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(6, 8, 15, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    display: block;
    width: 100%;
    padding: 14px 16px;
    text-align: center;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero__stats {
    gap: 20px;
  }

  .stat__value {
    font-size: 2rem;
  }

  .pain-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .pain-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .features__grid,
  .use-cases__grid {
    grid-template-columns: 1fr;
  }

  .spec-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .blog__grid {
    grid-template-columns: 1fr;
  }

  .blog-card--featured {
    grid-column: span 1;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .buy__form {
    padding: 24px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero__scroll {
    display: none;
  }

  .parallax-break {
    padding: 80px 0;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero__product-img {
    max-width: 320px;
  }
}