/*
Theme Name: Quantira Stack
Theme URI: https://quantirastack.com
Author: Quantira Stack
Author URI: https://quantirastack.com
Description: A classic-editor friendly WordPress theme converted from the Quantira Stack static template. Front page content is editable from Appearance > Quantira Theme.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
Text Domain: quantira-stack
*/

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

:root {
  --bg: #07080f;
  --bg2: #0c0e1a;
  --surface: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.07);
  --border-glow: rgba(99, 102, 241, 0.4);
  --text: #e8eaf0;
  --muted: #7a7f9a;
  --indigo: oklch(0.61 0.22 264);
  --cyan: oklch(0.78 0.12 196);
  --grad: linear-gradient(135deg, var(--indigo), var(--cyan));
  --grad-text: linear-gradient(120deg, #818cf8, #22d3ee, #818cf8);
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "DM Sans", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── NOISE OVERLAY ─── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  height: 72px;
  background: rgba(7, 8, 15, 0.7);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.nav-logo img,
.custom-logo-link.nav-logo img {
  height: 60px;
  width: auto;
  object-fit: contain;
  display: block;
}
.nav-logo-mark {
  width: 28px;
  height: 28px;
  background: var(--grad);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: #fff;
}
.nav-cta {
  background: var(--grad);
  color: #fff;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  transition:
    opacity 0.2s,
    transform 0.2s;
}
.nav-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}
body.admin-bar nav {
  top: 32px;
}
@media (max-width: 782px) {
  body.admin-bar nav {
    top: 46px;
  }
}

/* hamburger menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ─── HERO ─── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem clamp(1.5rem, 6vw, 5rem) 6rem;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px;
  height: 500px;
  top: -100px;
  left: -150px;
  background: radial-gradient(
    ellipse,
    rgba(99, 102, 241, 0.28) 0%,
    transparent 70%
  );
}
.hero-glow-2 {
  width: 500px;
  height: 400px;
  bottom: -50px;
  right: -100px;
  background: radial-gradient(
    ellipse,
    rgba(34, 211, 238, 0.2) 0%,
    transparent 70%
  );
}
.hero-glow-3 {
  width: 300px;
  height: 300px;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse,
    rgba(99, 102, 241, 0.12) 0%,
    transparent 70%
  );
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.8);
  }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 1.5rem;
  max-width: 900px;
}
.hero-title .grad-text {
  background: var(--grad-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}
@keyframes shimmer {
  0% {
    background-position: 0% center;
  }
  100% {
    background-position: 200% center;
  }
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  font-weight: 300;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 2rem;
  border-radius: 10px;
  transition:
    opacity 0.2s,
    transform 0.2s,
    box-shadow 0.2s;
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
}
.btn-secondary {
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.8rem 2rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition:
    border-color 0.2s,
    background 0.2s,
    transform 0.2s;
}
.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}
.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
  width: 100%;
  max-width: 700px;
}
.hero-stat span {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero-stat small {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

/* ─── SECTIONS ─── */
section {
  position: relative;
  padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 6vw, 5rem);
}
.section-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #818cf8;
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}
.section-desc {
  color: var(--muted);
  max-width: 520px;
  font-size: 1.05rem;
  line-height: 1.7;
  font-weight: 300;
}
.section-header {
  margin-bottom: 3.5rem;
}
.section-header.centered {
  text-align: center;
}
.section-header.centered .section-desc {
  margin: 0 auto;
}

/* ─── SERVICES GRID ─── */
#services {
  background: var(--bg2);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.service-card {
  background: var(--bg2);
  padding: 2.5rem;
  position: relative;
  transition: background 0.25s;
  cursor: default;
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.07) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover {
  background: rgba(12, 14, 26, 0.95);
}
.service-card:hover::before {
  opacity: 1;
}
.service-cta-card {
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.08) 0%,
    rgba(34, 211, 238, 0.04) 100%
  );
}
.service-cta-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.service-cta-inner .section-label {
  margin-bottom: 0.75rem;
}
.service-cta-inner h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}
.btn-small {
  font-size: 0.85rem;
  padding: 0.65rem 1.4rem;
}
.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-icon svg {
  width: 20px;
  height: 20px;
  stroke: #818cf8;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}
.service-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
  font-weight: 300;
}
.service-tag {
  display: inline-block;
  margin-top: 1.2rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #818cf8;
  font-family: var(--font-display);
}

/* ─── SOLUTIONS ─── */
#solutions {
  background: var(--bg);
}
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 900px) {
  .solutions-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .solutions-grid {
    grid-template-columns: 1fr;
  }
}
.sol-card {
  position: relative;
  padding: 2rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  transition:
    border-color 0.25s,
    transform 0.25s;
}
.sol-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  transform: translateY(-3px);
}
.sol-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.3s;
}
.sol-card:hover::after {
  opacity: 1;
}
.sol-num {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #818cf8;
  margin-bottom: 0.75rem;
}
.sol-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}
.sol-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ─── STATS ─── */
#stats {
  background: var(--bg2);
  overflow: hidden;
}
.stats-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .stats-inner {
    grid-template-columns: 1fr;
  }
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
}
.stat-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad);
  opacity: 0.6;
}
.stat-box .num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-box .num span {
  background: var(--grad-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-box small {
  color: var(--muted);
  font-size: 0.82rem;
}

/* ─── ABOUT ─── */
#about {
  background: var(--bg);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}
.about-visual {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 20px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg2);
}
.about-visual-inner {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 30% 40%,
      rgba(99, 102, 241, 0.2) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 70% 70%,
      rgba(34, 211, 238, 0.12) 0%,
      transparent 60%
    );
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-diagram {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  width: 70%;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  overflow: hidden;
  font-family: var(--font-display);
}
.about-cell {
  background: rgba(12, 14, 26, 0.8);
  padding: 1rem 0.5rem;
  text-align: center;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--muted);
  text-transform: uppercase;
  transition:
    background 0.2s,
    color 0.2s;
}
.about-cell.active {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}
.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.pillar {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}
.pillar-line {
  width: 2px;
  height: 100%;
  flex-shrink: 0;
  background: var(--grad);
  border-radius: 2px;
  min-height: 70px;
}
.pillar h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.4rem;
}
.pillar p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ─── TESTIMONIALS 
#testimonials {
  background: var(--bg2);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.testimonial {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  transition: border-color 0.25s;
}
.testimonial:hover {
  border-color: rgba(99, 102, 241, 0.3);
}
.testimonial-quote {
  font-size: 2rem;
  line-height: 1;
  color: #818cf8;
  font-family: Georgia, serif;
  margin-bottom: 1rem;
}
.testimonial p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 1.5rem;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.author-name {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
}
.author-role {
  font-size: 0.75rem;
  color: var(--muted);
}
─── */
#cases {
  background: var(--bg);
}

.cases-inner {
  max-width: 1200px;
  margin: 0 auto;
}
/* Header split layout */
.cases-header {
  display: grid;
  grid-template-columns: 1fr 0.5fr;
  gap: 2rem;
  align-items: stretch;
  margin-bottom: 3rem;
}
.cases-header-right {
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: 12px;
  padding: 2rem 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 0.35rem;
  background: rgba(99, 102, 241, 0.04);
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.08);
}
.cases-header-right span {
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #818cf8;
}
.cases-header-sub {
  font-family: "Courier New", monospace !important;
  font-size: 0.78rem !important;
  color: rgba(129, 140, 248, 0.35) !important;
  letter-spacing: 0.05em !important;
  text-transform: none !important;
  font-weight: 400 !important;
  margin-top: 0.6rem;
  text-align: right;
}
@media (max-width: 768px) {
  .cases-header {
    grid-template-columns: 1fr;
  }
  .cases-header-right {
    align-items: flex-start;
  }
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}
@media (max-width: 900px) {
  .cases-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }
}
.case-card {
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--surface);
  transition:
    transform 0.25s,
    border-color 0.25s;
  display: flex;
  flex-direction: column;
  /*min-height: 590px; */
}
.case-body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
}
.case-visual {
  height: 160px;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  background: #0d1117;
  display: flex;
  flex-direction: column;
  padding: 0.9rem 1rem 0;
  gap: 0.6rem;
}
.case-tag {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  border: 1px solid;
  align-self: flex-start;
  flex-shrink: 0;
}
.case-tag-indigo {
  color: #818cf8;
  border-color: rgba(99, 102, 241, 0.3);
  background: rgba(99, 102, 241, 0.1);
}
.case-tag-green {
  color: #6ee7b7;
  border-color: rgba(110, 231, 183, 0.3);
  background: rgba(110, 231, 183, 0.07);
}
.case-tag-cyan {
  color: #22d3ee;
  border-color: rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.07);
}
.case-tag-rose {
  color: #fb7185;
  border-color: rgba(251, 113, 133, 0.3);
  background: rgba(251, 113, 133, 0.08);
}
.case-tag-amber {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
  background: rgba(251, 191, 36, 0.08);
}
.case-tag-blue {
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.3);
  background: rgba(96, 165, 250, 0.08);
}
.case-tag-violet {
  color: #a78bfa;
  border-color: rgba(167, 139, 250, 0.3);
  background: rgba(167, 139, 250, 0.08);
}
.case-tag-orange {
  color: #fb923c;
  border-color: rgba(251, 146, 60, 0.3);
  background: rgba(251, 146, 60, 0.08);
}
.case-code {
  font-family: "Courier New", monospace;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  white-space: pre;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
}
.cv-strike {
  text-decoration: line-through;
  color: rgba(255, 255, 255, 0.2);
}
.case-body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Complexity row */
.case-complexity {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}
.complexity-label {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.complexity-bars {
  display: flex;
  gap: 3px;
}
.bar {
  display: inline-block;
  width: 22px;
  height: 4px;
  border-radius: 2px;
}
.bar-on {
  background: #818cf8;
}
.bar-off {
  background: rgba(255, 255, 255, 0.1);
}
.bars-green .bar-on {
  background: #6ee7b7;
}
.bars-cyan .bar-on {
  background: #22d3ee;
}
.bars-rose .bar-on {
  background: #fb7185;
}
.bars-amber .bar-on {
  background: #fbbf24;
}
.bars-blue .bar-on {
  background: #60a5fa;
}
.bars-violet .bar-on {
  background: #a78bfa;
}
.bars-orange .bar-on {
  background: #fb923c;
}

.case-body h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

/* Pure CSS see-more toggle */
.more-toggle {
  display: none;
}
.case-desc-wrap {
  margin-bottom: 1rem;
}
.case-desc-short,
.case-desc-more {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.65;
  font-weight: 300;
}
.case-desc-more {
  display: none;
  margin-top: 0.4rem;
}
.more-toggle:checked ~ .case-desc-wrap .case-desc-more {
  display: block;
}
.see-more-btn {
  display: inline-block;
  color: #818cf8;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.3rem 0;
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
}
.see-more-btn::after {
  content: "See more ↓";
}
.more-toggle:checked ~ .case-desc-wrap .see-more-btn::after {
  content: "See less ↑";
}
.see-more-btn:hover {
  opacity: 0.75;
}

/* Tech tags */
.case-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}
.case-tech-tags span {
  font-family: var(--font-display);
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2rem 0.45rem;
  background: rgba(255, 255, 255, 0.03);
}
.case-tags-indigo span {
  color: #818cf8;
  border-color: rgba(99, 102, 241, 0.25);
  background: rgba(99, 102, 241, 0.07);
}
.case-tags-green span {
  color: #6ee7b7;
  border-color: rgba(110, 231, 183, 0.25);
  background: rgba(110, 231, 183, 0.06);
}
.case-tags-cyan span {
  color: #22d3ee;
  border-color: rgba(34, 211, 238, 0.25);
  background: rgba(34, 211, 238, 0.06);
}
.case-tags-rose span {
  color: #fb7185;
  border-color: rgba(251, 113, 133, 0.25);
  background: rgba(251, 113, 133, 0.06);
}
.case-tags-amber span {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.25);
  background: rgba(251, 191, 36, 0.06);
}
.case-tags-blue span {
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.25);
  background: rgba(96, 165, 250, 0.06);
}
.case-tags-violet span {
  color: #a78bfa;
  border-color: rgba(167, 139, 250, 0.25);
  background: rgba(167, 139, 250, 0.06);
}
.case-tags-orange span {
  color: #fb923c;
  border-color: rgba(251, 146, 60, 0.25);
  background: rgba(251, 146, 60, 0.06);
}

/* Metrics */
.case-metrics {
  display: flex;
  gap: 1.5rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.case-metric .v {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.case-metric .v-green {
  color: #6ee7b7;
}
.case-metric .v-cyan {
  color: #22d3ee;
}
.case-metric .v-indigo {
  color: #818cf8;
}
.case-metric .v-rose {
  color: #fb7185;
}
.case-metric .v-amber {
  color: #fbbf24;
}
.case-metric .v-blue {
  color: #60a5fa;
}
.case-metric .v-violet {
  color: #a78bfa;
}
.case-metric .v-orange {
  color: #fb923c;
}
.case-metric .l {
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

/* ─── CONTACT ─── */
#contact {
  background: var(--bg2);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-row {
  display: flex;
  gap: 1rem;
}
.form-row .form-group {
  flex: 1;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.03em;
  font-family: var(--font-display);
}
.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition:
    border-color 0.2s,
    background 0.2s;
  width: 100%;
}
.form-group select option {
  background: #12141e;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: rgba(99, 102, 241, 0.5);
  background: rgba(99, 102, 241, 0.06);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-submit {
  background: var(--grad);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 0.9rem 2rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    opacity 0.2s,
    transform 0.2s;
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
  align-self: flex-start;
}
.form-submit:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}
.form-submit:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.contact-channel {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.channel-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.channel-icon svg {
  width: 18px;
  height: 18px;
  stroke: #818cf8;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.channel-label {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.15rem;
}
.channel-value {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: #fff;
}
.channel-value a {
  color: #fff;
}
/* ─── FOOTER ─── */

.site-footer {
  background: #07111f;
  padding: 80px 6%;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-left {
  width: 300px;
}

.footer-logo {
  width: 180px;
  height: auto;
  display: block;
  margin-bottom: 20px;
}
.footer-logo-link {
  display: inline-flex;
  margin-bottom: 20px;
}
.footer-logo-link img {
  width: 180px;
  height: auto;
  display: block;
}

.footer-description {
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 15px;
}

.footer-copy {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  text-align: center;
  margin-top: 20px;
}

.footer-column {
  min-width: 200px;
}

.footer-column h3 {
  color: white;
  font-size: 22px;
  margin-bottom: 20px;
  font-weight: 700;
  font-family: var(--font-display);
}

.footer-column ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-column ul li {
  margin-bottom: 14px;
}

.footer-column ul li a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  transition: 0.3s;
}

.footer-column ul li a:hover {
  color: white;
}

@media (max-width: 900px) {
  .footer-top {
    flex-direction: column;
    gap: 40px;
  }

  .footer-left {
    width: 100%;
  }
}

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 {
  transition-delay: 0.1s;
}
.reveal-delay-2 {
  transition-delay: 0.2s;
}
.reveal-delay-3 {
  transition-delay: 0.3s;
}
.reveal-delay-4 {
  transition-delay: 0.4s;
}

@media (max-width: 900px) {
  .case-code {
    font-size: 0.6rem;
    white-space: pre-wrap;
    word-break: break-word;
  }
  .case-visual {
    height: auto;
    min-height: 120px;
    padding-bottom: 0.9rem;
  }
}

/* tablet nav fix */
@media (max-width: 900px) {
  nav {
    padding: 0 1.5rem;
  }
  .nav-links {
    gap: 1.2rem;
  }
  .nav-links a {
    font-size: 0.8rem;
  }
  .nav-cta {
    font-size: 0.78rem;
    padding: 0.45rem 0.9rem;
    white-space: nowrap;
  }
}

@media (max-width: 600px) {
  /* prevent horizontal overflow */
  html,
  body {
    overflow-x: hidden;
    max-width: 100%;
  }

  /* nav */
  nav {
    height: auto;
    min-height: 60px;
    padding: 0 1rem;
    flex-wrap: wrap;
    align-items: center;
  }
  .nav-hamburger {
    display: flex;
    order: 2;
  }
  .nav-cta {
    order: 3;
    font-size: 0.72rem;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    white-space: nowrap;
  }
  nav .nav-links {
    display: none;
    order: 4;
    flex-direction: column;
    width: 100%;
    gap: 0;
    background: rgba(7, 8, 15, 0.98);
    border-top: 1px solid var(--border);
    padding: 0.5rem 0 1rem;
  }
  nav .nav-links.open {
    display: flex;
  }
  nav .nav-links li a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: var(--text);
  }
  .nav-logo img {
    height: 40px !important;
  }

  /* hero */
  #hero {
    padding: 6rem 1.25rem 4rem;
  }
  .hero-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }
  .hero-sub {
    font-size: 0.95rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }
  .hero-stats {
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
  }
  .hero-stat span {
    font-size: 1.5rem;
  }

  /* sections */
  section {
    padding: 3rem 1.25rem;
  }
  .section-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  /* services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* stats */
  .stats-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .stat-box .num {
    font-size: 1.8rem;
  }

  /* about */
  .about-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* cases */
  .cases-header {
    grid-template-columns: 1fr;
  }
  .cases-header-right {
    align-items: flex-start;
  }
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .case-metrics {
    gap: 1rem;
    flex-wrap: wrap;
  }

  /* contact */
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .form-row {
    flex-direction: column;
  }

  /* footer */
  .footer-top {
    flex-direction: column;
    gap: 2rem;
  }
  .footer-left {
    width: 100%;
  }
}