:root {
  --bg-main: #020617;
  --bg-elevated: #02081f;
  --bg-elevated-softer: #030712;
  --surface: #02081f;
  --surface-alt: #050b21;
  --border-subtle: rgba(148, 163, 184, 0.25);
  --accent: #6366f1;
  --accent-soft: rgba(99, 102, 241, 0.18);
  --accent-strong: #4f46e5;
  --accent-secondary: #22d3ee;
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --text-soft: #6b7280;
  --white: #ffffff;
  --danger: #f97373;

  --radius-sm: 0.625rem;
  --radius-md: 1.25rem;
  --radius-lg: 1.75rem;

  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.85);
  --shadow-subtle: 0 14px 32px rgba(15, 23, 42, 0.65);

  --container-max: 1120px;
  --nav-height: 72px;

  --transition-fast: 150ms ease-out;
  --transition-med: 220ms ease-out;
  --transition-slow: 320ms ease-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at top, #020617 0, #020617 40%, #000 100%);
  -webkit-font-smoothing: antialiased;
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 120;
  pointer-events: none;
}

.scroll-progress__bar {
  width: 100%;
  height: 100%;
  transform-origin: left;
  transform: scaleX(0);
  background: linear-gradient(90deg, rgba(0,194,168,1), rgba(56,189,248,1), rgba(129,140,248,1));
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.55);
}

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

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

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

main {
  display: block;
}

/* ===== Generic Layout ===== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5.5rem 0 5.75rem;
}

.section-alt {
  background: radial-gradient(
      circle at top left,
      rgba(79, 70, 229, 0.16),
      transparent 55%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(8, 47, 73, 0.24),
      transparent 55%
    ),
    #020617;
}

.section-heading {
  max-width: 640px;
  margin-bottom: 2.75rem;
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-heading h2,
.section-header h2 {
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 2rem;
  margin: 0.25rem 0 0.5rem;
}

.section-subtitle,
.section-header p:not(.eyebrow) {
  margin: 0.5rem 0 0;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  font-weight: 600;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 3.5rem;
  align-items: flex-start;
}

.card {
  position: relative;
  border-radius: var(--radius-md);
  padding: 1.6rem 1.45rem;
  background: linear-gradient(
    145deg,
    rgba(15, 23, 42, 0.96),
    rgba(15, 23, 42, 0.98)
  );
  box-shadow: var(--shadow-subtle);
  border: 1px solid rgba(148, 163, 184, 0.16);
  transition: transform var(--transition-med), box-shadow var(--transition-med),
    border-color var(--transition-med), background var(--transition-med);
}

.card:hover {
  transform: translateY(-4px) translateZ(0);
  box-shadow: 0 22px 55px rgba(15, 23, 42, 0.95);
  border-color: rgba(129, 140, 248, 0.7);
  background: radial-gradient(
      circle at top left,
      rgba(79, 70, 229, 0.36),
      transparent 60%
    ),
    rgba(15, 23, 42, 0.98);
}

.card h3 {
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.45rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.65;
}




  .site-header {
  position: sticky;
  top: 0;
  z-index: 20;

  background: transparent;   

  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);

  border-bottom: none;

  transition: all 0.3s ease;
}  

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.logo {
  display: inline-flex;
  align-items: start;
  gap: 0.6rem;
}

.logo-mark {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  background: conic-gradient(
    from 180deg,
    #22d3ee,
    #6366f1,
    #0ea5e9,
    #7c3aed,
    #22d3ee
  );
  position: relative;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.9),
    0 12px 30px rgba(56, 189, 248, 0.36);
}

.logo-mark::after {
  content: "";
  position: absolute;
  inset: 0.14rem;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, #38bdf8);
}

.logo-text {
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.92rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.78rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-soft);
  transition: color var(--transition-fast), background var(--transition-fast),
    transform var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 0.3rem;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(to right, #22d3ee, #6366f1);
  opacity: 0;
  transform: scaleX(0.3);
  transform-origin: center;
  transition: transform var(--transition-med), opacity var(--transition-med);
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(15, 23, 42, 0.82);
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--text-main);
  background: rgba(15, 23, 42, 0.9);
}

.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-link-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--white);
  padding-inline: 1.1rem;
  box-shadow: 0 12px 26px rgba(56, 189, 248, 0.48);
}

.nav-link-cta:hover {
  background: linear-gradient(
    135deg,
    var(--accent-strong),
    var(--accent-secondary)
  );
}

.nav-toggle {
  display: none;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: radial-gradient(
    circle at top left,
    rgba(56, 189, 248, 0.2),
    #020617 55%
  );
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}

.nav-toggle-line {
  width: 1.2rem;
  height: 1px;
  border-radius: 999px;
  background: var(--text-main);
  position: relative;
  transition: background var(--transition-fast),
    transform var(--transition-fast);
}

.nav-toggle-line::before,
.nav-toggle-line::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  height: 1px;
  border-radius: inherit;
  background: currentColor;
  transition: transform var(--transition-fast), top var(--transition-fast),
    opacity var(--transition-fast);
}

.nav-toggle-line::before {
  top: -0.32rem;
}

.nav-toggle-line::after {
  top: 0.32rem;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ===== Hero ===== */

 /* .hero {
  padding-top: 4.75rem;
  padding-bottom: 5.5rem;
  background:
    radial-gradient(circle at top, rgba(30, 64, 175, 0.55), transparent 60%),
    radial-gradient(circle at bottom left, rgba(15, 118, 110, 0.35), transparent
          55%),
    radial-gradient(circle at bottom right, rgba(79, 70, 229, 0.55), transparent
          65%),
    #020617; 
} */
 .hero {
   margin-top: calc(-1 * var(--nav-height)); 
  padding-top: calc(var(--nav-height) + 5rem);

  padding-bottom: 5.5rem;

  background:
    radial-gradient(circle at top, rgba(30, 64, 175, 0.55), transparent 60%),
    radial-gradient(circle at bottom left, rgba(15, 118, 110, 0.35), transparent 55%),
    radial-gradient(circle at bottom right, rgba(79, 70, 229, 0.55), transparent 65%),
    #020617;
} 

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 3.2rem;
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-title {
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: clamp(2.3rem, 3.1vw + 1.6rem, 3.3rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0.6rem 0 1rem;
}

.hero-text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.99rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.7rem;
}

.hero-pill {
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: var(--text-soft);
  background: radial-gradient(
    circle at top left,
    rgba(148, 163, 184, 0.16),
    transparent 60%
  );
}

.hero-visual {
  position: relative;
  justify-self: flex-end;
}

.hero-orbit {
  position: relative;
  width: 280px;
  height: 280px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #38bdf8, #020617 60%);
  box-shadow: 0 28px 90px rgba(59, 130, 246, 0.75);
  overflow: hidden;
}

.orbit-ring {
  position: absolute;
  border-radius: inherit;
  border: 1px solid rgba(148, 163, 184, 0.35);
  inset: 14%;
  transform-origin: center;
}

.orbit-ring-md {
  inset: 26%;
  border-style: dashed;
  border-color: rgba(148, 163, 184, 0.4);
  animation: orbit-rotate 18s linear infinite;
}

.orbit-ring-sm {
  inset: 40%;
  border-color: rgba(148, 163, 184, 0.4);
  border-style: dotted;
}

.orbit-core {
  position: absolute;
  inset: 42%;
  border-radius: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-core-glow {
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle, rgba(248, 250, 252, 0.25), transparent);
  border-radius: inherit;
}

.orbit-core-dot {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, #e5f0ff, #1d4ed8);
  box-shadow: 0 18px 45px rgba(59, 130, 246, 0.95);
}

.orbit-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.orbit-node-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: radial-gradient(circle, #f9fafb, #38bdf8);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.4);
}

.orbit-node-label {
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.45);
  backdrop-filter: blur(12px);
}

.orbit-node-1 {
  top: 22%;
  right: -16%;
}

.orbit-node-2 {
  bottom: 18%;
  right: 4%;
}

.orbit-node-3 {
  top: 46%;
  left: -18%;
  flex-direction: row-reverse;
}

@keyframes orbit-rotate {
  to {
    transform: rotate(360deg);
  }
}

/* ===== Buttons ===== */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform var(--transition-med), box-shadow var(--transition-med),
    background var(--transition-med), border-color var(--transition-med),
    color var(--transition-med);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--accent),
    var(--accent-secondary)
  );
  color: var(--white);
  box-shadow: 0 14px 34px rgba(56, 189, 248, 0.75);
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(
    135deg,
    var(--accent-strong),
    var(--accent-secondary)
  );
  box-shadow: 0 20px 50px rgba(56, 189, 248, 0.9);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(148, 163, 184, 0.35);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 1);
  border-color: rgba(148, 163, 184, 0.65);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
}

/* ===== About ===== */

.section#about p {
  font-size: 0.97rem;
  line-height: 1.75;
}

.section#about .section-body {
  color: var(--text-muted);
}

.about-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 1.7rem;
}

.metric {
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: radial-gradient(
    circle at top left,
    rgba(79, 70, 229, 0.25),
    #020617 65%
  );
}

.metric-value {
  display: block;
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.metric-label {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.78rem;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ===== Services ===== */

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0.75rem;
}

.card.service-card {
  padding-top: 1.5rem;
}

.card-icon {
  margin-bottom: 0.9rem;
}

.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  height: 2.1rem;
  padding-inline: 0.25rem;
  border-radius: 999px;
  background: radial-gradient(
    circle at top left,
    rgba(129, 140, 248, 0.95),
    rgba(59, 130, 246, 0.85)
  );
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  box-shadow: 0 14px 32px rgba(79, 70, 229, 0.8);
}

/* ===== AI Expertise ===== */

.ai-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0.5rem;
}

.ai-card {
  background: linear-gradient(
      150deg,
      rgba(56, 189, 248, 0.2),
      transparent 50%
    ),
    rgba(15, 23, 42, 0.98);
}

.ai-card:hover {
  background: linear-gradient(
      150deg,
      rgba(56, 189, 248, 0.3),
      rgba(79, 70, 229, 0.2)
    ),
    rgba(15, 23, 42, 0.98);
}

/* ===== Projects ===== */

.projects-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0.5rem;
}

.project-card {
  padding-top: 1.45rem;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.project-tag {
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.project-link-label {
  margin-top: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.16rem;
  font-size: 0.8rem;
  color: var(--accent-secondary);
}

.project-link-label::after {
  content: "↗";
  font-size: 0.76rem;
}

/* ===== Contact ===== */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 3rem;
  align-items: stretch;
}

.contact-highlights {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.5rem;
}

.contact-highlights li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent));
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.25);
}

.contact-form-card {
  border-radius: var(--radius-lg);
  background: radial-gradient(
      circle at top left,
      rgba(79, 70, 229, 0.32),
      transparent 52%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(8, 47, 73, 0.5),
      transparent 50%
    ),
    #020617;
  padding: 1.8rem 1.7rem;
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: var(--shadow-soft);
}

.contact-form {
  display: grid;
  gap: 1.1rem;
}

.form-group {
  display: grid;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.form-group input,
.form-group textarea {
  padding: 0.7rem 0.85rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.95);
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-med),
    box-shadow var(--transition-med), background var(--transition-med),
    transform var(--transition-med);
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(56, 189, 248, 0.9);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.9),
    0 0 0 8px rgba(56, 189, 248, 0.25);
  background: rgba(15, 23, 42, 1);
  transform: translateY(-0.5px);
}

.form-note {
  margin: 0.2rem 0 0;
  font-size: 0.82rem;
  color: var(--text-soft);
  min-height: 1em;
}

.form-note--success {
  color: #4ade80;
}

.form-note--error {
  color: var(--danger);
}

/* ===== Footer ===== */

.site-footer {
  padding: 2.5rem 0 2rem;
  background: radial-gradient(
      circle at top,
      rgba(15, 23, 42, 0.9),
      rgba(15, 23, 42, 1)
    ),
    #020617;
  border-top: 1px solid rgba(148, 163, 184, 0.4);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: flex-start;
}

.footer-logo {
  margin-bottom: 0.6rem;
}

.footer-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 380px;
}

.footer-links h3 {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 0.8rem;
  color: var(--text-soft);
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-main);
  transform: translateX(2px);
}

.footer-bottom {
  margin-top: 2.2rem;
  padding-top: 1.4rem;
  border-top: 1px dashed rgba(148, 163, 184, 0.4);
  font-size: 0.8rem;
  color: var(--text-soft);
}

.footer-bottom p {
  margin: 0;
}

/* ===== Reveal Animation ===== */

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 420ms ease-out, transform 420ms ease-out;
  will-change: transform, opacity;
}

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

/* ===== Responsive ===== */

@media (max-width: 960px) {
  .grid.services-grid,
  .grid.ai-grid,
  .grid.projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 2.4rem;
  }

  .two-column {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .two-column .section-header {
    max-width: 460px;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .container {
    padding-inline: 1.25rem;
  }

  .section {
    padding: 4.2rem 0 4.4rem;
  }

  .hero {
    padding-top: 3.9rem;
    padding-bottom: 4.3rem;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-content {
    max-width: none;
  }

  .hero-visual {
    justify-self: center;
  }

  .hero-orbit {
    width: 240px;
    height: 240px;
  }

  .header-inner {
    gap: 1rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    position: absolute;
    inset-inline: 1.25rem;
    top: calc(var(--nav-height) + 0.65rem);
    border-radius: 1rem;
    background: radial-gradient(
        circle at top left,
        rgba(15, 23, 42, 0.98),
        rgba(15, 23, 42, 0.98)
      );
    border: 1px solid rgba(148, 163, 184, 0.45);
    box-shadow: var(--shadow-soft);
    padding: 0.55rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.1rem;
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition-med), transform var(--transition-med),
      visibility var(--transition-med);
  }

  .nav-list.is-open {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
    visibility: visible;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding-block: 0.6rem;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link-cta {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .grid.services-grid,
  .grid.ai-grid,
  .grid.projects-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-actions {
    flex-direction: column;
  }

  .about-metrics {
    flex-direction: column;
  }

  .contact-form-card {
    padding-inline: 1.4rem;
  }
}

/* ============================================================
   TWILIGHT — Professional Tech Website
   Design System: Refined Dark-Tech with Slate + Teal Palette
   ============================================================ */

/* --- RESET & BASE ------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Color Palette */
  --ink-950:    #070B10;
  --ink-900:    #0D1117;
  --ink-800:    #131B25;
  --ink-700:    #1A2535;
  --ink-600:    #233047;
  --ink-500:    #3A4D65;
  --ink-400:    #5A7089;
  --ink-300:    #8A9FB8;
  --ink-200:    #B8C8DA;
  --ink-100:    #DCE6EF;
  --ink-50:     #F0F5FA;

  --teal-500:   #00C2A8;
  --teal-400:   #00D9BE;
  --teal-300:   #4DEBD8;
  --teal-glow:  rgba(0, 194, 168, 0.18);
  --teal-glow2: rgba(0, 194, 168, 0.06);

  --amber-500:  #F5A623;
  --white:      #FFFFFF;

  /* Typography */
  --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;

  /* Spacing */
  --section-pad: clamp(40px, 5.5vw, 72px);
  --container:   1200px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  font-weight: 400;
  background: var(--ink-950);
  color: var(--ink-100);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

p,
span,
li,
a,
button,
input {
  font-family: "Inter", sans-serif;
}

h1 { font-size: 48px; }
h2 { font-size: 36px; }
h3 { font-size: 28px; }

p {
  font-size: 16px;
  color: #6b7280;
}

/* --- UTILITIES --------------------------------------------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 60px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 14px 32px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.btn__label {
  position: relative;
  z-index: 1;
}

.btn--primary {
  background: var(--teal-500);
  color: var(--ink-950);
  isolation: isolate;
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--teal-400), var(--teal-500));
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 0;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 194, 168, 0.4);
}

.btn--primary:hover::before { opacity: 1; }

/* Keep button label above gradient overlay */
.btn > * {
  position: relative;
  z-index: 1;
}

.btn--ghost {
  background: transparent;
  color: var(--ink-100);
  border: 1.5px solid var(--ink-600);
}

.btn--ghost:hover {
  border-color: var(--teal-500);
  color: var(--teal-400);
  transform: translateY(-2px);
  background: var(--teal-glow2);
}

.btn--full { width: 100%; justify-content: center; }

.section-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-500);
  margin-bottom: 20px;
}

.section-label--left { justify-content: flex-start; }

.section-label__line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--teal-500);
  opacity: 0.5;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
  text-align: center;
  margin-bottom: 12px;
}

.section-title--left { text-align: left; }

.section-sub {
  font-size: 1.05rem;
  color: var(--ink-300);
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 18px;
  line-height: 1.75;
}

/* --- NAV --------------------------------------------------- */
.nav {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  /* Solid white navbar with black text */
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease),
    backdrop-filter 0.4s var(--ease);
}

.nav.is-scrolled {
  background: #ffffff;
  border-bottom-color: #e5e7eb;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* .nav__inner {
  width: 100%;                 
  display: flex;
  align-items: center;
  justify-content: space-between;  

} */
 .nav__inner {
    width: 100%;
  margin-inline: 0;
  padding: 28px clamp(18px, 3vw, 32px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: padding 0.35s var(--ease);
  border-radius: 0;
  background: transparent;
  border: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
} 

.logo {
  display: block;
  height: 38px;
  width: auto;
  margin-right: 0;
}

.nav.is-scrolled .nav__inner {
  padding: 20px 0 20px clamp(18px, 3vw, 32px);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.nav__logo:hover { opacity: 0.85; }

.nav__logo-mark {
  width: 34px;
  height: 34px;
  background: var(--teal-500);
  color: var(--ink-950);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.nav__logo-mark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: conic-gradient(
    from 180deg,
    rgba(0,194,168,0.2),
    rgba(56,189,248,0.18),
    rgba(129,140,248,0.2),
    rgba(0,194,168,0.2)
  );
  mix-blend-mode: screen;
  opacity: 0;
  transform: scale(1.2);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.nav__logo:hover .nav__logo-mark::before {
  opacity: 1;
  transform: scale(1);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  letter-spacing: -0.01em;
}

/* .nav__links {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 40px;
  margin-left: auto;
  flex: 0 0 auto;
} */
/*added */
.nav__links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: end;
  grid-column: 3; 
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.78rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-soft);
  transition: color var(--transition-fast), background var(--transition-fast),
    transform var(--transition-fast);
}

/* Keep logo left, links centered, actions right */
.nav__inner > .logo {
  flex: 0 0 auto;
}

.nav__inner > .nav__burger {
  flex: 0 0 auto;
}

.nav__link {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  color: #111827; /* black-ish on white */
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  letter-spacing: 0.01em;
}

.nav__link:hover {
  color: #000000;
  background: rgba(15, 23, 42, 0.06);
}

.nav__link--cta {
  color: #111827;
  border: 1.5px solid rgba(0,0,0,0.12);
  margin-left: 8px;
}

.nav__link--cta:hover {
  background: rgba(15, 23, 42, 0.06);
  color: #000000;
  border-color: rgba(0,0,0,0.28);
}

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

.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink-200);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

.nav__mobile {
  display: none;
  background: var(--ink-900);
  border-top: 1px solid var(--ink-700);
}

.nav__mobile.is-open { display: block; }

.nav__mobile-links {
  list-style: none;
  padding: 16px clamp(20px, 5vw, 60px);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav__mobile-link {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink-200);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--ink-700);
  transition: color 0.2s;
}

.nav__mobile-link:hover { color: var(--teal-400); }
.nav__mobile-links li:last-child .nav__mobile-link { border-bottom: none; }

/* --- HERO -------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* override earlier generic .hero spacing */
  margin-top: 0;
  padding-top: 0;
  padding-bottom: 0;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  transform: translate3d(0, var(--hero-parallax-y, 0px), 0);
  will-change: transform;
}

.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3, 7, 18, 0.35), rgba(3, 7, 18, 0.55)),
    url("assets/hero_background.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 0;
}

.hero__bg > * {
  z-index: 1;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,194,168,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,168,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 100%);
  animation: gridDrift 22s linear infinite;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,194,168,0.12) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: orbFloat 12s ease-in-out infinite;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 37, 53, 0.8) 0%, transparent 70%);
  bottom: 0;
  left: -100px;
  animation: orbFloat 16s ease-in-out infinite reverse;
}

.hero__noise {
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

@keyframes orbFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

@keyframes gridDrift {
  0% {
    background-position: 0 0, 0 0;
  }
  50% {
    background-position: 32px 16px, -32px -16px;
  }
  100% {
    background-position: 64px 32px, -64px -32px;
  }
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 44rem;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3.75rem);
  padding-top: 0;
  padding-bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.25rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-400);
  background: rgba(0,194,168,0.08);
  border: 1px solid rgba(0,194,168,0.2);
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  animation: fadeUp 0.8s var(--ease) both;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-500);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--white);
  max-width: 100%;
  margin-bottom: 24px;
  animation: fadeUp 0.8s 0.1s var(--ease) both;
  overflow-wrap: anywhere;
}

.hero__word {
  display: inline-block;
  opacity: 0;
  transform: translateY(26px);
  animation: wordReveal 0.7s var(--ease) forwards;
  animation-delay: calc(0.08s * var(--word-index, 1));
}

@keyframes wordReveal {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__headline em {
  font-style: normal;
  background: linear-gradient(135deg, var(--teal-400) 0%, var(--teal-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--ink-300);
  max-width: 32rem;
  margin-bottom: 2.25rem;
  line-height: 1.7;
  animation: fadeUp 0.8s 0.2s var(--ease) both;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUp 0.8s 0.3s var(--ease) both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- SERVICES ---------------------------------------------- */
.services {
  padding: var(--section-pad) 0;
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink-700), transparent);
}

/* Our Services section background image (only this section) */
#services.services {
  overflow: hidden;
}

#services.services::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3, 7, 18, 0.45), rgba(3, 7, 18, 0.62)),
    url("assets/our_services.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 1;
  pointer-events: none;
  z-index: 0;
}

#services.services > .container {
  position: relative;
  z-index: 1;
}

/* AI Expertise section background image (only this section) */
#ai-expertise.services {
  overflow: hidden;
}

#ai-expertise.services::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3, 7, 18, 0.48), rgba(3, 7, 18, 0.66)),
    url("assets/Ai-Expertise.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 0;
}

#ai-expertise.services > .container {
  position: relative;
  z-index: 1;
}

/* Projects section background image (only this section) */
#projects.services {
  overflow: hidden;
}

#projects.services::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3, 7, 18, 0.50), rgba(3, 7, 18, 0.68)),
    url("assets/projects.jpeg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 0;
}

#projects.services > .container {
  position: relative;
  z-index: 1;
}

/* About section background image (only this section) */
#about.about {
  overflow: hidden;
}

#about.about::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3, 7, 18, 0.50), rgba(3, 7, 18, 0.70)),
    url("assets/about_us.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 0;
}

#about.about > .container {
  position: relative;
  z-index: 1;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-radius: 16px;
  padding: 40px 36px;
  overflow: hidden;
  transition: all 0.4s var(--ease);
  cursor: default;
  animation: cardFloat 18s ease-in-out infinite;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  pointer-events: none;
  background: linear-gradient(135deg, var(--teal-glow2), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  background-size: 200% 200%;
  animation: borderGlow 4s linear infinite;
  animation-play-state: paused;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--teal-500), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,194,168,0.25);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,194,168,0.08);
}

.service-card:hover::before { opacity: 1; }
.service-card:hover::after { opacity: 1; }
.service-card:hover::before { animation-play-state: running; }
.service-card:hover .service-card__icon { color: var(--teal-400); background: var(--teal-glow); border-color: rgba(0,194,168,0.3); }
.service-card:hover .service-card__arrow { opacity: 1; transform: translateX(0); }

.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--ink-700);
  border: 1px solid var(--ink-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  color: var(--ink-300);
  transition: all 0.4s var(--ease);
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card__icon-img {
  width: 26px;
  height: 26px;
  object-fit: contain;
  /* Make black icon visible on dark cards */
  filter: invert(1);
  opacity: 0.92;
}

.service-card__number {
  position: absolute;
  top: 28px;
  right: 32px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-600);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.3;
}

.service-card__desc {
  font-size: 0.93rem;
  color: var(--ink-300);
  line-height: 1.75;
  /* Clamp to 4 lines so card heights stay aligned */
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  line-clamp: 4;
  overflow: hidden;
}

.card__more {
  display: none;
  margin-top: 10px;
  /* Match primary description styling so expanded
     text looks visually consistent */
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink-300);
}

.service-card.card--expanded .card__more {
  display: block;
}

.card__toggle {
  margin-top: 18px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: radial-gradient(circle at top left, rgba(148, 163, 184, 0.16), transparent 60%);
  color: var(--ink-200);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.2s var(--ease);
}

.card__toggle:hover {
  border-color: rgba(56, 189, 248, 0.7);
  color: var(--teal-300);
  transform: translateY(-1px);
}

/* --- Modal for full service content ------------------------- */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal.is-open {
  display: flex;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.80);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.modal__dialog {
  position: relative;
  max-width: 640px;
  width: calc(100% - 32px);
  margin-inline: auto;
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.96));
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 24px 24px 20px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.9);
  z-index: 1;
}

.modal__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--white);
}

.modal__body {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink-200);
  max-height: min(60vh, 420px);
  overflow-y: auto;
}

.modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.9);
  color: var(--ink-100);
  font-size: 0.8rem;
  padding: 4px 10px;
  cursor: pointer;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.modal__close:hover {
  background: rgba(15, 23, 42, 1);
  border-color: rgba(56, 189, 248, 0.7);
  color: var(--teal-300);
}

.service-card__arrow {
  margin-top: 28px;
  color: var(--teal-500);
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.3s var(--ease);
}

.service-card__arrow svg {
  width: 20px;
  height: 20px;
}

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

@keyframes borderGlow {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* --- ABOUT ------------------------------------------------- */
.about {
  padding: var(--section-pad) 0;
  position: relative;
  background: linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 50%, var(--ink-950) 100%);
}

.about__layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 52px;
  align-items: center;
}

.about__visual {
  position: relative;
}

.about__visual-card {
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-radius: 20px;
  padding: 44px 40px;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.about__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 0;
}

.about__stat-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  background: linear-gradient(135deg, var(--white) 0%, var(--teal-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about__stat-label {
  font-size: 0.87rem;
  color: var(--ink-400);
  font-weight: 400;
}

.about__divider {
  height: 1px;
  background: var(--ink-700);
  margin: 20px 0;
}

.about__visual-accent {
  position: absolute;
  inset: 20px -20px -20px 20px;
  border: 1px solid var(--ink-700);
  border-radius: 20px;
  z-index: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(0,194,168,0.02) 4px,
    rgba(0,194,168,0.02) 8px
  );
  background-position: 0 0;
  animation: stripeShift 18s linear infinite;
}

@keyframes stripeShift {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 80px 40px;
  }
}

.about__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.about__text {
  font-size: 1rem;
  color: var(--ink-200);
  line-height: 1.8;
  margin-bottom: 18px;
}

.about__text:last-of-type { margin-bottom: 28px; }

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.about__tag {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--teal-400);
  background: rgba(0,194,168,0.08);
  border: 1px solid rgba(0,194,168,0.18);
  padding: 6px 14px;
  border-radius: 100px;
  transition: all 0.2s;
}

.about__tag:hover {
  background: rgba(0,194,168,0.14);
  border-color: rgba(0,194,168,0.35);
}

/* --- CONTACT ----------------------------------------------- */
.contact {
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink-700), transparent);
}

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

.contact__orb {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,168,0.07) 0%, transparent 70%);
  filter: blur(60px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: contactPulse 20s ease-in-out infinite;
}

@keyframes contactPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.9;
  }
  50% {
    transform: translate(-52%, -48%) scale(1.08);
    opacity: 1;
  }
}

.contact__layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 44px;
  align-items: flex-start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 8px;
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact__info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--teal-500);
}

.contact__info-icon svg { width: 18px; height: 18px; }

.contact__info-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 4px;
}

.contact__info-value {
  display: block;
  font-size: 0.95rem;
  color: var(--ink-200);
}

.contact__info-value--link {
  color: var(--teal-400);
  text-decoration: none;
  transition: color 0.2s;
}

.contact__info-value--link:hover { color: var(--teal-300); }

.contact__form {
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-radius: 20px;
  padding: clamp(32px, 5vw, 52px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-300);
}

.form__input {
  background: var(--ink-900);
  border: 1.5px solid var(--ink-700);
  border-radius: 8px;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-100);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  appearance: none;
}

.form__input::placeholder { color: var(--ink-500); }

.form__input:focus {
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px rgba(0,194,168,0.1);
}

.form__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%235A7089' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 44px;
}

.form__select option {
  background: var(--ink-900);
  color: var(--ink-100);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* --- FOOTER ------------------------------------------------ */
.footer {
  background: var(--ink-900);
  border-top: 1px solid var(--ink-800);
  padding: 48px 0 32px;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.footer__tagline {
  font-size: 0.87rem;
  color: var(--ink-400);
  margin-top: 6px;
}

.footer__nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer__nav a {
  font-family: var(--font-display);
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--ink-400);
  text-decoration: none;
  transition: color 0.2s;
}

.footer__nav a:hover { color: var(--teal-400); }

.footer__bottom {
  border-top: 1px solid var(--ink-800);
  padding-top: 24px;
  text-align: center;
}

.footer__bottom p {
  font-size: 0.82rem;
  color: var(--ink-500);
}

/* --- SCROLL ANIMATIONS ------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  filter: blur(14px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), filter 0.7s var(--ease);
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

/* --- RESPONSIVE -------------------------------------------- */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: 1fr 1fr; }
  .about__layout { grid-template-columns: 1fr; gap: 48px; }
  .about__visual-accent { display: none; }
  .contact__layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .services__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: center; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__nav { gap: 20px; }
}

@media (max-width: 480px) {
  .about__visual-card { padding: 32px 24px; }
  .contact__form { padding: 28px 20px; }
  .service-card { padding: 32px 24px; }
}