/* ══════════════════════════════════════════════════════════════
   SILITECH – Modern Gradient Web Design
   ══════════════════════════════════════════════════════════════ */

/* ── Variables ────────────────────────────────────────────────── */
:root {
  --clr-bg:        #07090f;
  --clr-bg-2:      #0d1117;
  --clr-surface:   rgba(255, 255, 255, 0.04);
  --clr-border:    rgba(255, 255, 255, 0.08);
  --clr-text:      #e8eaf0;
  --clr-muted:     #8b93a8;
  --clr-accent-1:  #6c63ff;   /* violet */
  --clr-accent-2:  #00d4ff;   /* cyan */
  --clr-accent-3:  #a855f7;   /* purple */
  --clr-green:     #22c55e;
  --gradient:      linear-gradient(135deg, var(--clr-accent-1), var(--clr-accent-2));
  --gradient-glow: linear-gradient(135deg, #6c63ff44, #00d4ff44);
  --font-body:     'Inter', system-ui, sans-serif;
  --font-display:  'Space Grotesk', system-ui, sans-serif;
  --radius-sm:     8px;
  --radius:        16px;
  --radius-lg:     24px;
  --shadow:        0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow:   0 0 40px rgba(108,99,255,0.3);
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Utilities ────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.glass-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: var(--font-body);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 24px rgba(108,99,255,0.4);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108,99,255,0.5);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}
.btn--ghost:hover {
  background: var(--clr-surface);
  border-color: rgba(255,255,255,0.2);
}

.btn--outline {
  background: transparent;
  color: var(--clr-accent-1);
  border: 1px solid rgba(108,99,255,0.4);
}
.btn--outline:hover {
  background: rgba(108,99,255,0.1);
}

.btn--nav {
  background: var(--gradient);
  color: #fff;
  padding: 10px 20px;
  font-size: 0.875rem;
}
.btn--nav:hover { transform: translateY(-1px); }

.btn--large { padding: 16px 36px; font-size: 1.05rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── Section common ───────────────────────────────────────────── */
.section { padding: 120px 0; }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 20px;
}

.section-sub {
  font-size: 1.1rem;
  color: var(--clr-muted);
  max-width: 580px;
  margin: 0 auto 60px;
}

/* ── Reveal animation ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.nav.scrolled {
  background: rgba(7,9,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  padding: 12px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 1.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 32px;
  margin-left: auto;
}

.nav__links a {
  color: var(--clr-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav__hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ══════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#particles {
  position: absolute;
  inset: 0;
  opacity: 0.4;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: orbFloat 8s ease-in-out infinite;
}
.hero__orb--1 {
  width: 600px; height: 600px;
  background: var(--clr-accent-1);
  top: -200px; right: -200px;
  animation-delay: 0s;
}
.hero__orb--2 {
  width: 400px; height: 400px;
  background: var(--clr-accent-2);
  bottom: -100px; left: -100px;
  animation-delay: -3s;
}
.hero__orb--3 {
  width: 300px; height: 300px;
  background: var(--clr-accent-3);
  top: 40%; left: 40%;
  animation-delay: -5s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-accent-2);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  animation: fadeDown 0.8s ease 0.2s both;
}

.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--clr-green);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: #fff;
  margin-bottom: 24px;
  animation: fadeDown 0.8s ease 0.4s both;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--clr-muted);
  max-width: 600px;
  margin: 0 auto 36px;
  animation: fadeDown 0.8s ease 0.6s both;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
  animation: fadeDown 0.8s ease 0.8s both;
}

.hero__stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeDown 0.8s ease 1s both;
}

.stat { text-align: center; }
.stat__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat__unit {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-accent-1);
}
.stat__label {
  display: block;
  font-size: 0.8rem;
  color: var(--clr-muted);
  margin-top: 4px;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-muted);
  font-size: 0.75rem;
  animation: fadeDown 0.8s ease 1.2s both;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--clr-muted);
  border-bottom: 2px solid var(--clr-muted);
  transform: rotate(45deg);
  animation: scrollBounce 1.5s ease infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════════════════════════ */
.about {
  background: var(--clr-bg-2);
  position: relative;
}
.about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-accent-1), transparent);
}

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

.about__text { }
.about__text h2 { margin-bottom: 20px; }
.about__text p {
  color: var(--clr-muted);
  margin-bottom: 16px;
}

.about__perks {
  list-style: none;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.about__perks li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.perk-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: var(--radius-sm);
}
.about__perks strong {
  display: block;
  color: #fff;
  font-weight: 600;
  margin-bottom: 2px;
}
.about__perks span { color: var(--clr-muted); font-size: 0.9rem; }

/* AI Card */
.about__card {
  padding: 28px;
}
.about__card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 0.8rem;
  color: var(--clr-muted);
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.dot--green { background: #22c55e; }
.dot--yellow { background: #eab308; }
.dot--red { background: #ef4444; }

.about__card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* AI Pulse animation */
.ai-pulse {
  position: relative;
  width: 120px; height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ai-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: ringPulse 3s ease infinite;
}
.ai-ring--1 {
  width: 120px; height: 120px;
  border-color: rgba(108,99,255,0.5);
  animation-delay: 0s;
}
.ai-ring--2 {
  width: 90px; height: 90px;
  border-color: rgba(0,212,255,0.5);
  animation-delay: -1s;
}
.ai-ring--3 {
  width: 60px; height: 60px;
  border-color: rgba(168,85,247,0.6);
  animation-delay: -2s;
}
@keyframes ringPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}
.ai-core {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.7rem;
  color: #fff;
  letter-spacing: 0.05em;
  z-index: 1;
  box-shadow: 0 0 20px rgba(108,99,255,0.6);
}

/* Metrics */
.ai-metrics { width: 100%; }
.metric {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.metric__label {
  font-size: 0.8rem;
  color: var(--clr-muted);
  min-width: 140px;
}
.metric__bar {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
.metric__fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 3px;
  transform-origin: left;
  animation: fillBar 1.5s cubic-bezier(0.4,0,0.2,1) 0.5s both;
}
@keyframes fillBar {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
.metric__val {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-accent-2);
  min-width: 32px;
  text-align: right;
}

/* ══════════════════════════════════════════════════════════════
   SOLUTIONS
   ══════════════════════════════════════════════════════════════ */
.solutions { }

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.solutions__grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.sol-card {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.sol-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}
.sol-card:hover {
  transform: translateY(-6px);
  border-color: rgba(108,99,255,0.3);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px rgba(108,99,255,0.1);
}
.sol-card:hover::before { opacity: 1; }

.sol-card--featured {
  border-color: rgba(108,99,255,0.4);
  background: rgba(108,99,255,0.06);
  box-shadow: 0 0 30px rgba(108,99,255,0.1);
}
.sol-card--featured::before { opacity: 1; }

.sol-card__icon {
  font-size: 2rem;
}
.sol-card__badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  padding: 4px 10px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 100px;
  align-self: flex-start;
}
.sol-card__badge--hot {
  color: #f97316;
  background: rgba(249,115,22,0.1);
  border-color: rgba(249,115,22,0.3);
}

.sol-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}
.sol-card p { color: var(--clr-muted); font-size: 0.9rem; line-height: 1.6; }

.sol-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.sol-card__features li {
  font-size: 0.85rem;
  color: var(--clr-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sol-card__features li::before {
  content: '✓';
  color: var(--clr-accent-1);
  font-weight: 700;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════
   PROCESS
   ══════════════════════════════════════════════════════════════ */
.process {
  background: var(--clr-bg-2);
  position: relative;
}
.process::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-accent-2), transparent);
}

.process__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 16px;
  position: relative;
}

.step {
  flex: 1;
  text-align: center;
  padding: 32px 20px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.step:hover {
  border-color: rgba(108,99,255,0.3);
  background: rgba(108,99,255,0.05);
}

.step__connector {
  width: 48px;
  flex-shrink: 0;
  margin-top: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-accent-1), var(--clr-accent-2));
  position: relative;
}
.step__connector::after {
  content: '';
  position: absolute;
  right: -6px; top: -4px;
  width: 0; height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid var(--clr-accent-2);
}

.step__num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  opacity: 0.7;
}
.step h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.step p { font-size: 0.85rem; color: var(--clr-muted); }

/* ══════════════════════════════════════════════════════════════
   CTA BANNER
   ══════════════════════════════════════════════════════════════ */
.cta-banner {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-banner__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108,99,255,0.2), rgba(0,212,255,0.1));
  border-top: 1px solid rgba(108,99,255,0.3);
  border-bottom: 1px solid rgba(108,99,255,0.3);
}
.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}
.cta-orb--1 {
  width: 400px; height: 400px;
  background: var(--clr-accent-1);
  opacity: 0.2;
  top: -150px; left: -100px;
}
.cta-orb--2 {
  width: 300px; height: 300px;
  background: var(--clr-accent-2);
  opacity: 0.15;
  bottom: -100px; right: -50px;
}

.cta-banner__inner {
  position: relative;
  z-index: 1;
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.cta-banner p {
  color: var(--clr-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto 32px;
}

/* ══════════════════════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════════════════════ */
.contact { }

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact__intro {
  color: var(--clr-muted);
  font-size: 1.05rem;
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact__items {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}
.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact__icon {
  font-size: 1.25rem;
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.contact__item strong {
  display: block;
  color: #fff;
  font-size: 0.85rem;
  margin-bottom: 2px;
}
.contact__item span,
.contact__item a {
  color: var(--clr-muted);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition);
}
.contact__item a:hover { color: var(--clr-accent-2); }

.contact__social {
  display: flex;
  gap: 12px;
}
.social-link {
  display: inline-block;
  padding: 8px 16px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--clr-muted);
  text-decoration: none;
  transition: var(--transition);
}
.social-link:hover {
  border-color: rgba(108,99,255,0.4);
  color: var(--clr-accent-1);
}

/* Contact Form */
.contact__form {
  padding: 40px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b93a8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-group select option {
  background: #1a1f2e;
  color: var(--clr-text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent-1);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(139,147,168,0.5); }
.form-group textarea { resize: vertical; }

.form-note {
  font-size: 0.75rem;
  color: var(--clr-muted);
  margin-top: 12px;
  text-align: center;
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
.footer {
  background: #050709;
  border-top: 1px solid var(--clr-border);
  padding-top: 60px;
}

.footer__inner {
  display: flex;
  gap: 64px;
  align-items: flex-start;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--clr-border);
}

.footer__brand {
  flex: 1;
}
.footer__brand p {
  color: var(--clr-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 220px;
}

.footer__links {
  display: flex;
  gap: 48px;
}
.footer__col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer__col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: 4px;
}
.footer__col a {
  font-size: 0.875rem;
  color: var(--clr-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--clr-accent-2); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.8rem;
  color: var(--clr-muted);
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .solutions__grid { grid-template-columns: repeat(2, 1fr); }
  .solutions__grid--3 { grid-template-columns: repeat(2, 1fr); }
  .solutions__grid--3 .sol-card--featured { grid-column: 1 / -1; max-width: 600px; margin: 0 auto; }
}

@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__visual { order: -1; }
  .contact__grid { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .btn--nav { display: none; }
  .nav__hamburger { display: flex; }
  .process__steps { flex-direction: column; }
  .step__connector { width: 2px; height: 32px; margin: 0 0 0 50%; align-self: stretch; }
  .step__connector::after {
    bottom: -6px; right: auto; top: auto; left: -4px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 8px solid var(--clr-accent-2);
    border-bottom: none;
  }
  .footer__inner { flex-direction: column; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 600px) {
  .section { padding: 80px 0; }
  .solutions__grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .contact__form { padding: 24px; }
  .hero__title { font-size: 2.8rem; }
}

/* ── Mobile nav open state ──────────────────────────────────── */
.nav.open .nav__links {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(7,9,15,0.97);
  backdrop-filter: blur(20px);
  align-items: center;
  justify-content: center;
  gap: 32px;
  z-index: 999;
}
.nav.open .nav__links a {
  font-size: 1.5rem;
  color: var(--clr-text);
}
.nav.open .btn--nav { display: block; margin-top: 8px; }
.nav.open .nav__hamburger span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav.open .nav__hamburger span:nth-child(2) { opacity: 0; }
.nav.open .nav__hamburger span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Form success state ──────────────────────────────────────── */
.form-success {
  text-align: center;
  padding: 60px 40px;
}
.form-success h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-green);
  margin-bottom: 12px;
}
.form-success p { color: var(--clr-muted); }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: rgba(108,99,255,0.4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-accent-1); }

/* ── Selection ──────────────────────────────────────────────── */
::selection {
  background: rgba(108,99,255,0.4);
  color: #fff;
}