/* =============================================
   DEVELOTERS v2.0 — Contemporary Design System
   ============================================= */

/* ── 0. CUSTOM PROPERTIES ── */
:root {
  --bg-base: #09090B;
  --bg-surface: #141416;
  --bg-elevated: #1C1C21;
  --bg-hover: #27272A;
  --bg-light: #FAFAFA;
  --bg-light-alt: #F4F4F5;
  --accent: #6366F1;
  --accent-light: #818CF8;
  --accent-cyan: #22D3EE;
  --gradient: linear-gradient(135deg, #6366F1 0%, #22D3EE 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(34,211,238,0.1) 100%);
  --text-white: #FAFAFA;
  --text-gray: #A1A1AA;
  --text-muted: #71717A;
  --text-dark: #18181B;
  --text-dark-secondary: #52525B;
  --border-dark: rgba(255,255,255,0.06);
  --border-dark-hover: rgba(255,255,255,0.12);
  --border-light: #E4E4E7;
  --glow: 0 0 80px rgba(99,102,241,0.2);
  --glow-sm: 0 0 40px rgba(99,102,241,0.15);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.25);
  --shadow-light: 0 4px 24px rgba(0,0,0,0.06);
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

/* ── 1. RESET & GLOBAL ── */
*, *::before, *::after { box-sizing: border-box; }

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

a { text-decoration: none; transition: color 0.2s var(--ease); }
img { max-width: 100%; height: auto; }

::selection { background: var(--accent); color: white; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── 2. TYPOGRAPHY ── */
.section-header { margin-bottom: 48px; }
.section-header.center { text-align: center; }

.badge-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

/* Dark context */
.dark .badge-label,
.section-dark .badge-label,
.hero .badge-label {
  background: rgba(99,102,241,0.12);
  color: var(--accent-light);
  border: 1px solid rgba(99,102,241,0.2);
}

/* Light context */
.section-light .badge-label {
  background: rgba(99,102,241,0.08);
  color: var(--accent);
  border: 1px solid rgba(99,102,241,0.15);
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.section-dark .section-header h2,
.section-dark h2 { color: var(--text-white); }
.section-light .section-header h2 { color: var(--text-dark); }

.section-header p {
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 580px;
}

.section-dark .section-header p { color: var(--text-gray); }
.section-light .section-header p { color: var(--text-dark-secondary); }
.section-header.center p { margin-left: auto; margin-right: auto; }

.gradient-text {
  background: var(--gradient);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease infinite;
}

/* ── 3. NAVIGATION ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s var(--ease);
}

.site-nav .navbar { padding: 0; }

.site-nav .nav-logo {
  height: 36px;
  transition: all 0.3s var(--ease);
}

.site-nav .navbar-nav .nav-link {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--ease);
}

.site-nav .navbar-nav .nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.06);
}

.site-nav .nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-toggle {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.5);
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  transition: all 0.2s var(--ease);
  text-decoration: none;
}

.lang-toggle:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.05);
}

.btn-nav-cta {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bg-base);
  background: #fff;
  padding: 9px 22px;
  border-radius: var(--radius-full);
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}

.btn-nav-cta:hover {
  color: var(--bg-base);
  background: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255,255,255,0.2);
}

/* Scrolled state (glass) */
.site-nav.scrolled {
  padding: 8px 0;
  background: rgba(9,9,11,0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(99,102,241,0.08);
}

/* Solid (for subpages) */
.site-nav--solid {
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-dark);
}

.site-nav--solid.scrolled {
  background: rgba(9,9,11,0.9);
}

/* Mobile toggler */
.navbar-toggler {
  border: none;
  padding: 8px;
  background: transparent;
  outline: none;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

.navbar-toggler.is-active .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.navbar-toggler.is-active .hamburger span:nth-child(2) {
  opacity: 0;
}
.navbar-toggler.is-active .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── 4. HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-base);
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(255,255,255,0.025) 59px, rgba(255,255,255,0.025) 60px),
    repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(255,255,255,0.025) 59px, rgba(255,255,255,0.025) 60px);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  transition: transform 0.3s ease-out;
}

.hero__orb--indigo {
  width: 500px;
  height: 500px;
  background: rgba(99,102,241,0.25);
  top: -10%;
  right: 5%;
}

.hero__orb--cyan {
  width: 400px;
  height: 400px;
  background: rgba(34,211,238,0.15);
  bottom: 0;
  left: -5%;
}

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

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-gray);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero__ctas {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero stats */
.hero__stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 72px;
}

.hero__stat {
  background: var(--bg-surface);
  padding: 28px 24px;
  text-align: center;
}

.hero__stat-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.hero__stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── 5. BUTTONS ── */
.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  background: var(--gradient);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  box-shadow: 0 4px 20px rgba(99,102,241,0.3);
  text-decoration: none;
}

.btn-primary-glow:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.4);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-white);
  background: transparent;
  padding: 13px 30px;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  text-decoration: none;
}

.btn-outline-light:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.05);
}

.btn-primary-solid {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  text-decoration: none;
}

.btn-primary-solid:hover {
  color: #fff;
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99,102,241,0.3);
}

.btn-white-solid {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--bg-base);
  background: #fff;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  border: none;
  text-decoration: none;
  transition: all 0.3s var(--ease);
}

.btn-white-solid:hover {
  color: var(--bg-base);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,0.15);
}

/* ── 6. SECTIONS ── */
.section-dark {
  background: var(--bg-base);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.section-light {
  background: var(--bg-light);
  padding: 100px 0;
  position: relative;
}

.section-light-alt {
  background: var(--bg-light-alt);
  padding: 100px 0;
}

/* ── 7. BENTO GRID ── */
.bento-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}

.bento-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all 0.4s var(--ease);
  overflow: hidden;
  text-decoration: none;
  display: block;
}

.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.bento-card:hover {
  border-color: transparent;
  background: var(--bg-elevated);
  transform: translateY(-4px);
}

.bento-card:hover::before { opacity: 1; }

.bento-card--large { grid-row: span 2; }

.bento-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
  transition: all 0.3s var(--ease);
}

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

.bento-card:hover .bento-card__icon {
  background: var(--gradient);
}

.bento-card:hover .bento-card__icon i {
  -webkit-text-fill-color: #fff;
}

.bento-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 10px;
}

.bento-card__desc {
  font-size: 0.92rem;
  color: var(--text-gray);
  line-height: 1.6;
  margin: 0;
}

.bento-card__arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-top: 20px;
  transition: gap 0.3s var(--ease);
}

.bento-card:hover .bento-card__arrow { gap: 12px; }

/* ── 8. FEATURE CARDS (Light context) ── */
.feature-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all 0.4s var(--ease);
  height: 100%;
}

.feature-card:hover {
  border-color: transparent;
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  transform: translateY(-6px);
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

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

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.feature-card__desc {
  font-size: 0.92rem;
  color: var(--text-dark-secondary);
  line-height: 1.65;
  margin: 0;
}

/* Dark feature card variant */
.feature-card--dark {
  background: var(--bg-surface);
  border-color: var(--border-dark);
}
.feature-card--dark:hover {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-card);
}
.feature-card--dark .feature-card__title { color: var(--text-white); }
.feature-card--dark .feature-card__desc { color: var(--text-gray); }

/* ── 9. PROCESS STEPS ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  counter-reset: process;
}

.process-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  counter-increment: process;
  transition: all 0.4s var(--ease);
}

.process-step::before {
  content: counter(process, decimal-leading-zero);
  display: block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1;
}

.process-step:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  border-color: transparent;
}

.process-step h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Dark variant */
.process-step--dark {
  background: var(--bg-surface);
  border-color: var(--border-dark);
}
.process-step--dark:hover { background: var(--bg-elevated); box-shadow: var(--shadow-card); }
.process-step--dark h4 { color: var(--text-white); }
.process-step--dark p { color: var(--text-gray); }

/* ── 10. CTA BAND ── */
.cta-band {
  position: relative;
  background: var(--gradient);
  padding: 80px 0;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.cta-band h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: #fff;
  margin-bottom: 12px;
}

.cta-band p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 0;
}

/* ── 11. PAGE HERO (subpages) ── */
.page-hero {
  background: var(--bg-base);
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(255,255,255,0.02) 59px, rgba(255,255,255,0.02) 60px),
    repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(255,255,255,0.02) 59px, rgba(255,255,255,0.02) 60px);
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 10%, transparent 70%);
  pointer-events: none;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  color: var(--text-white);
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.1rem;
  color: var(--text-gray);
  line-height: 1.7;
  max-width: 560px;
}

.page-hero .badge-label {
  background: rgba(99,102,241,0.12);
  color: var(--accent-light);
  border: 1px solid rgba(99,102,241,0.2);
}

/* ── 12. CONTACT FORM ── */
.contact-section {
  padding: 100px 0;
  background: var(--bg-light);
}

.contact-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-light);
}

.contact-info-list { list-style: none; padding: 0; margin: 0; }

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 0.95rem;
  color: var(--text-dark-secondary);
}

.contact-info-list li i {
  color: var(--accent);
  margin-top: 3px;
  width: 18px;
  text-align: center;
}

.form-modern .form-control {
  font-family: var(--font-body);
  font-size: 0.92rem;
  background: var(--bg-light-alt);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-dark);
  transition: all 0.2s var(--ease);
}

.form-modern .form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
  outline: none;
  background: #fff;
}

.form-modern .form-control::placeholder { color: var(--text-muted); }

.form-modern textarea.form-control { min-height: 130px; resize: vertical; }

/* ── 13. FOOTER ── */
.site-footer {
  background: var(--bg-base);
  padding-top: 72px;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient);
  opacity: 0.5;
}

.site-footer h5 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 20px;
  letter-spacing: 0;
}

.site-footer p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

.site-footer .footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer .footer-links li { margin-bottom: 10px; }

.site-footer .footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all 0.2s var(--ease);
}

.site-footer .footer-links a:hover {
  color: var(--text-white);
  padding-left: 4px;
}

.site-footer .footer-links li i {
  color: var(--accent);
  width: 18px;
  margin-right: 8px;
  font-size: 0.85rem;
}

.site-footer img.footer-logo { height: 36px; margin-bottom: 16px; }

.footer-bottom {
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid var(--border-dark);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin: 0;
}

.footer-bottom a { color: var(--text-gray); }
.footer-bottom a:hover { color: var(--accent-light); }

/* ── 14. BACK TO TOP ── */
#back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s var(--ease);
  z-index: 999;
  border: none;
  box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}

#back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover { transform: translateY(-3px); }

/* ── 15. TECH STACK TAGS ── */
.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  color: var(--text-white);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.3s var(--ease);
}

.tech-tag i {
  color: var(--accent-cyan);
  font-size: 0.75rem;
}

.tech-tag:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
}

/* ── 16. ADVANTAGES (icon + text rows) ── */
.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 28px;
}

.advantage-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

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

.advantage-item h4 {
  font-size: 1.05rem;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.advantage-item p {
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  margin: 0;
  line-height: 1.6;
}

/* Dark context */
.section-dark .advantage-icon { background: rgba(99,102,241,0.12); }
.section-dark .advantage-item h4 { color: var(--text-white); }
.section-dark .advantage-item p { color: var(--text-gray); }

/* ── 17. SCROLL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-child {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.reveal-child.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 18. KEYFRAMES ── */
@keyframes gradient-shift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.35; }
}

.animate-float { animation: float 6s ease-in-out infinite; }
.animate-pulse { animation: pulse-glow 4s ease-in-out infinite; }

/* ── 19. RESPONSIVE ── */
@media (max-width: 991px) {
  .hero { min-height: auto; padding: 140px 0 60px; }
  .hero__title { font-size: clamp(2rem, 5vw, 3rem); }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card--large { grid-row: span 1; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .section-dark, .section-light, .section-light-alt { padding: 72px 0; }
  .page-hero { padding: 130px 0 60px; }
  .cta-band { padding: 60px 0; }

  .site-nav .collapse.show,
  .site-nav .collapsing {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    margin-top: 12px;
    padding: 16px;
    border: 1px solid var(--border-dark);
  }
}

@media (max-width: 767px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .hero__title { font-size: 2rem; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .contact-card { padding: 28px; }
  .section-dark, .section-light, .section-light-alt { padding: 56px 0; }
  .page-hero { padding: 120px 0 48px; }
}

@media (max-width: 575px) {
  .hero { padding: 120px 0 48px; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .hero__ctas { flex-direction: column; align-items: flex-start; }
  .process-grid { grid-template-columns: 1fr; }
  .nav-actions { display: none !important; }
}

/* ── 20. UTILITIES ── */
.text-gradient { color: transparent; background: var(--gradient); -webkit-background-clip: text; background-clip: text; }
.mb-0 { margin-bottom: 0 !important; }
.mt-auto { margin-top: auto; }