/* ============================================================
   LUVITECH STUDIO — styles.css
   Mobile-first, pure CSS3, no preprocessors
   ============================================================ */

/* ── Google Fonts import ── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@600;700&family=Inter:wght@400;500&family=JetBrains+Mono:wght@400&display=swap');

/* ── CSS Variables ── */
:root {
  --green-primary: #7ED957;
  --green-dark: #5CB840;
  --green-glow: rgba(126, 217, 87, 0.12);
  --green-glow-md: rgba(126, 217, 87, 0.20);
  --black: #0A0A0A;
  --black-soft: #141414;
  --gray-900: #1A1A1A;
  --gray-700: #2A2A2A;
  --gray-400: #888888;
  --white: #F5F5F5;
  --white-pure: #FFFFFF;

  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition: 0.25s ease;
  --header-h: 72px;
}

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

/* ── Utility ── */
.container {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 20px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-primary);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--white-pure);
  line-height: 1.15;
}
.section-subtitle {
  color: var(--gray-400);
  font-size: 1.0625rem;
  max-width: 560px;
  margin-top: 12px;
}
section { padding-block: 80px; }

/* ── Scroll-triggered animations ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }


/* ════════════════════════════════════════
   HEADER
════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--gray-900);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header-logo img {
  height: 36px;
  width: auto;
}
.header-logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--white-pure);
  letter-spacing: -0.02em;
}
.header-logo-text span { color: var(--green-primary); }

.header-nav { display: none; }
.header-nav ul {
  display: flex;
  gap: 32px;
}
.header-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-400);
  transition: color var(--transition);
  position: relative;
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--green-primary);
  transition: width var(--transition);
  border-radius: 2px;
}
.header-nav a:hover { color: var(--white-pure); }
.header-nav a:hover::after { width: 100%; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--green-primary);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--green-primary);
  color: var(--black);
}
.btn-primary:hover {
  background: var(--green-dark);
  box-shadow: 0 0 20px var(--green-glow-md);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--green-primary);
  border: 1.5px solid var(--green-primary);
}
.btn-outline:hover {
  background: var(--green-glow);
  box-shadow: 0 0 20px var(--green-glow-md);
  transform: translateY(-1px);
}
.btn-sm { padding: 8px 18px; font-size: 0.875rem; }

.header-cta { flex-shrink: 0; display: none; }

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--gray-900); }
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-900);
  padding: 0 20px;
  z-index: 899;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open {
  max-height: 480px;
  padding: 16px 20px 24px;
}
.mobile-menu a {
  padding: 12px 16px;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--gray-400);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.mobile-menu a:hover { color: var(--white-pure); background: var(--gray-900); }
.mobile-menu .btn { margin-top: 8px; justify-content: center; }

@media (min-width: 768px) {
  .header-nav { display: block; }
  .hamburger { display: none; }
  .header-cta { display: block; }
  .header-cta .btn-sm { display: flex; }
}


/* ════════════════════════════════════════
   HERO
════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

/* Radial green glow background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 20%, rgba(126, 217, 87, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 80% 80%, rgba(126, 217, 87, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

/* Animated CSS grid pattern */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(126, 217, 87, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 217, 87, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
  animation: gridDrift 20s linear infinite;
  pointer-events: none;
}
@keyframes gridDrift {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: 80px 60px;
  text-align: center;
  max-width: 820px;
  margin-inline: auto;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--green-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--green-glow);
  border: 1px solid rgba(126, 217, 87, 0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--white-pure);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero h1 span { color: var(--green-primary); }
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.1875rem);
  color: var(--gray-400);
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 32px;
}
.hero-ctas .btn {
  padding: 14px 28px;
  font-size: 1rem;
}
.hero-proof {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--gray-400);
  background: var(--gray-900);
  border: 1px solid var(--gray-700);
  padding: 8px 16px;
  border-radius: 100px;
}
.hero-proof .dot {
  width: 6px; height: 6px;
  background: var(--green-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green-primary);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}


/* ════════════════════════════════════════
   SERVICES
════════════════════════════════════════ */
.services {
  background: var(--black-soft);
  border-top: 1px solid var(--gray-900);
  border-bottom: 1px solid var(--gray-900);
}
.services-header {
  text-align: center;
  margin-bottom: 56px;
}
.services-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}
.service-card {
  background: var(--black);
  border: 1px solid var(--gray-900);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: rgba(126, 217, 87, 0.3);
  box-shadow: 0 8px 40px var(--green-glow), 0 2px 8px rgba(0,0,0,0.3);
  transform: translateY(-4px);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 52px; height: 52px;
  background: var(--green-glow);
  border: 1px solid rgba(126, 217, 87, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--green-primary);
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--white-pure);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.service-card p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 24px;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green-primary);
  background: var(--green-glow);
  border: 1px solid rgba(126, 217, 87, 0.15);
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

@media (min-width: 768px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-card:last-child { grid-column: 1 / -1; max-width: 520px; margin-inline: auto; width: 100%; }
}
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .service-card:last-child { grid-column: auto; max-width: none; margin-inline: 0; }
}


/* ════════════════════════════════════════
   WHY LUVITECH
════════════════════════════════════════ */
.why {
  border-bottom: 1px solid var(--gray-900);
}
.why-header {
  text-align: center;
  margin-bottom: 56px;
}
.why-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
.why-card {
  background: var(--black-soft);
  border: 1px solid var(--gray-900);
  border-radius: var(--radius-md);
  padding: 28px 28px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.why-card:hover {
  border-color: rgba(126, 217, 87, 0.25);
  box-shadow: 0 4px 24px var(--green-glow);
}
.why-card-icon {
  width: 44px; height: 44px;
  background: var(--green-glow);
  border: 1px solid rgba(126, 217, 87, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--green-primary);
}
.why-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white-pure);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.why-card p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.65;
}
@media (min-width: 640px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}


/* ════════════════════════════════════════
   HOW IT WORKS
════════════════════════════════════════ */
.how {
  background: var(--black-soft);
  border-top: 1px solid var(--gray-900);
  border-bottom: 1px solid var(--gray-900);
}
.how-header {
  text-align: center;
  margin-bottom: 56px;
}
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--gray-700) 10%, var(--gray-700) 90%, transparent);
}
.step {
  display: flex;
  gap: 24px;
  padding-bottom: 40px;
  position: relative;
}
.step:last-child { padding-bottom: 0; }
.step-number {
  flex-shrink: 0;
  width: 56px; height: 56px;
  background: var(--black);
  border: 2px solid var(--green-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--green-primary);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 20px var(--green-glow-md);
}
.step-body { padding-top: 12px; }
.step-body h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white-pure);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.step-body p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.65;
}

@media (min-width: 900px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
    align-items: start;
  }
  .steps::before {
    left: 0; right: 0;
    top: 27px; bottom: auto;
    width: auto; height: 1px;
    background: linear-gradient(to right, transparent, var(--gray-700) 10%, var(--gray-700) 90%, transparent);
  }
  .step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-bottom: 0;
    padding-inline: 16px;
  }
  .step-body { padding-top: 20px; }
}


/* ════════════════════════════════════════
   TECH STACK
════════════════════════════════════════ */
.stack {
  border-bottom: 1px solid var(--gray-900);
}
.stack-header {
  text-align: center;
  margin-bottom: 48px;
}
.stack-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.stack-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--black-soft);
  border: 1px solid var(--gray-900);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition), color var(--transition);
}
.stack-badge svg { width: 22px; height: 22px; color: var(--green-primary); flex-shrink: 0; }
.stack-badge:hover {
  border-color: rgba(126, 217, 87, 0.35);
  box-shadow: 0 4px 20px var(--green-glow);
  color: var(--white-pure);
}


/* ════════════════════════════════════════
   FORM / DIAGNOSIS
════════════════════════════════════════ */
.diagnosis {
  background: var(--black-soft);
  border-top: 1px solid var(--gray-900);
  border-bottom: 1px solid var(--gray-900);
}
.diagnosis-inner {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}
.diagnosis-inner .section-title { margin-bottom: 12px; }
.diagnosis-inner .section-subtitle { margin-inline: auto; margin-bottom: 48px; }
.diag-form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white);
}
.form-group input,
.form-group textarea {
  background: var(--black);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--white-pure);
  font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-400); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-primary);
  box-shadow: 0 0 0 3px var(--green-glow);
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-error {
  font-size: 0.8125rem;
  color: #ff6b6b;
  display: none;
  margin-top: 2px;
}
.form-group.has-error input,
.form-group.has-error textarea { border-color: #ff6b6b; }
.form-group.has-error .form-error { display: block; }
.diag-form .btn {
  padding: 16px 28px;
  font-size: 1rem;
  width: 100%;
  margin-top: 4px;
}
.form-note {
  font-size: 0.8125rem;
  color: var(--gray-400);
  text-align: center;
  margin-top: 4px;
}


/* ════════════════════════════════════════
   FAQ
════════════════════════════════════════ */
.faq { border-bottom: 1px solid var(--gray-900); }
.faq-header {
  text-align: center;
  margin-bottom: 48px;
}
.faq-list {
  max-width: 740px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-list details {
  background: var(--black-soft);
  border: 1px solid var(--gray-900);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-list details[open] {
  border-color: rgba(126, 217, 87, 0.3);
  box-shadow: 0 4px 20px var(--green-glow);
}
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--white-pure);
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '';
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%237ED957'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform 0.3s ease;
}
.faq-list details[open] summary::after { transform: rotate(180deg); }
.faq-answer {
  padding: 0 24px 20px;
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.7;
  border-top: 1px solid var(--gray-900);
  padding-top: 16px;
}


/* ════════════════════════════════════════
   FINAL CTA
════════════════════════════════════════ */
.final-cta {
  background: linear-gradient(135deg, var(--black) 0%, #0d1a0a 60%, #0a1408 100%);
  border-bottom: 1px solid var(--gray-900);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(126, 217, 87, 0.07) 0%, transparent 70%);
  pointer-events: none;
}
.final-cta-inner { position: relative; z-index: 1; }
.final-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  font-weight: 700;
  color: var(--white-pure);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.15;
}
.final-cta p {
  color: var(--gray-400);
  font-size: 1.0625rem;
  margin-bottom: 40px;
}
.final-cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.final-cta-btns .btn {
  padding: 16px 32px;
  font-size: 1.0625rem;
}


/* ════════════════════════════════════════
   FOOTER
════════════════════════════════════════ */
.site-footer {
  background: var(--black-soft);
  border-top: 1px solid var(--gray-900);
  padding-block: 64px 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand-logo img { height: 32px; width: auto; }
.footer-brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--white-pure);
}
.footer-brand-name span { color: var(--green-primary); }
.footer-tagline {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.6;
  max-width: 280px;
}
.footer-col h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--white-pure);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 0.9375rem;
  color: var(--gray-400);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--green-primary); }
.footer-bottom {
  border-top: 1px solid var(--gray-900);
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}
.footer-copy {
  font-size: 0.8125rem;
  color: var(--gray-400);
}
.footer-copy span { color: var(--green-primary); }
@media (min-width: 640px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (min-width: 900px) {
  .footer-top { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer-brand { grid-column: auto; }
}


/* ════════════════════════════════════════
   FLOATING WHATSAPP
════════════════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px; height: 58px;
  background: var(--green-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(126, 217, 87, 0.35);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  animation: waFloat 3s ease-in-out infinite;
}
.whatsapp-float:hover {
  background: var(--green-dark);
  transform: scale(1.08);
  box-shadow: 0 6px 32px rgba(126, 217, 87, 0.5);
}
.whatsapp-float:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 4px;
}
.whatsapp-float svg { width: 28px; height: 28px; color: var(--black); }
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid rgba(126, 217, 87, 0.3);
  border-radius: 50%;
  animation: waPulse 2.5s ease-in-out infinite;
}
@keyframes waPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.18); opacity: 0; }
}
@keyframes waFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}


/* ════════════════════════════════════════
   RESPONSIVE TWEAKS
════════════════════════════════════════ */
@media (max-width: 639px) {
  section { padding-block: 60px; }
  .hero-ctas .btn { width: 100%; }
}
@media (min-width: 1024px) {
  section { padding-block: 96px; }
}

/* ── Focus ring for keyboard nav ── */
a:focus-visible,
button:focus-visible,
details summary:focus-visible {
  outline: 2px solid var(--green-primary);
  outline-offset: 3px;
  border-radius: 4px;
}


/* ════════════════════════════════════════
   SCROLL BRIDGE
════════════════════════════════════════ */
.scroll-bridge {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-block: 64px;
  background: var(--black);
}
.scroll-bridge-scene {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.scroll-icon-flip-wrapper {
  perspective: 600px;
}
.scroll-icon-flip {
  transform-style: preserve-3d;
  will-change: transform;
  display: inline-block;
}
.flip-face svg {
  display: block;
  border-radius: 18px;
}
.scroll-bridge-hint {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-400);
  user-select: none;
  animation: hintBlink 2.4s ease-in-out infinite;
}
@keyframes hintBlink {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.8; }
}


/* ════════════════════════════════════════
   PORTFOLIO
════════════════════════════════════════ */
.portfolio {
  border-bottom: 1px solid var(--gray-900);
}
.portfolio-header {
  text-align: center;
  margin-bottom: 56px;
}
.portfolio-header .section-subtitle {
  margin-inline: auto;
  margin-top: 12px;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.portfolio-card {
  border: 1px solid var(--gray-900);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--black-soft);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.portfolio-card:hover {
  border-color: rgba(126, 217, 87, 0.35);
  box-shadow: 0 8px 40px var(--green-glow), 0 2px 8px rgba(0,0,0,0.3);
  transform: translateY(-4px);
}
.portfolio-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.portfolio-img-wrapper {
  height: 240px;
  overflow: hidden;
  position: relative;
  background: var(--gray-900);
}
.portfolio-img-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
  will-change: transform;
}
.portfolio-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px;
  border-top: 1px solid var(--gray-900);
}
.portfolio-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.portfolio-card-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--white-pure);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.portfolio-card-url {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray-400);
  letter-spacing: 0.02em;
}
.portfolio-card-btn {
  flex-shrink: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green-primary);
  background: var(--green-glow);
  border: 1px solid rgba(126, 217, 87, 0.2);
  padding: 6px 14px;
  border-radius: 100px;
  transition: background var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.portfolio-card:hover .portfolio-card-btn {
  background: rgba(126, 217, 87, 0.2);
  box-shadow: 0 0 12px var(--green-glow);
}


/* ════════════════════════════════════════
   ABOUT
════════════════════════════════════════ */
.about {
  border-bottom: 1px solid var(--gray-900);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 900px) {
  .about-inner {
    grid-template-columns: 380px 1fr;
    gap: 72px;
  }
}
.about-photo-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 340px;
  margin-inline: auto;
}
@media (min-width: 900px) {
  .about-photo-wrapper {
    max-width: 100%;
    margin-inline: 0;
  }
}
.about-photo-wrapper img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-900);
  display: block;
  object-fit: cover;
}
.about-photo-badge {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(126, 217, 87, 0.25);
  color: var(--green-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 8px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.about-content {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.about-content .section-label {
  margin-bottom: 10px;
}
.about-content .section-title {
  margin-bottom: 28px;
}
.about-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}
.about-text p {
  color: var(--gray-400);
  font-size: 1rem;
  line-height: 1.75;
}
.about-signature {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--green-primary);
  letter-spacing: 0.04em;
  padding: 16px 0;
  border-top: 1px solid var(--gray-900);
  border-bottom: 1px solid var(--gray-900);
  margin-bottom: 28px;
}


/* ════════════════════════════════════════
   COUNTERS
════════════════════════════════════════ */
.counters {
  background: var(--black-soft);
  border-top: 1px solid var(--gray-900);
  border-bottom: 1px solid var(--gray-900);
  padding-block: 56px;
}
.counters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 24px;
}
@media (min-width: 768px) {
  .counters-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
  .counter-item + .counter-item {
    border-left: 1px solid var(--gray-900);
  }
}
.counter-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding-inline: 16px;
}
.counter-value {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  color: var(--green-primary);
  letter-spacing: -0.03em;
  line-height: 1;
}
.counter-label {
  font-size: 0.875rem;
  color: var(--gray-400);
  font-weight: 500;
  letter-spacing: 0.02em;
}