@import url('https://fonts.googleapis.com/css2?family=Urbanist:wght@300;400;500;600;700;800&family=DM+Serif+Display:ital@0;1&display=swap');

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

:root {
  --navy:       #0B1628;
  --navy-mid:   #111f38;
  --navy-card:  #162040;
  --navy-light: #1e2d4f;
  --blue:       #1B55E5;
  --blue-dim:   rgba(27,85,229,0.12);
  --orange:     #F5A623;
  --orange-dim: rgba(245,166,35,0.1);
  --green:      #2DCE89;
  --white:      #FFFFFF;
  --text:       #FFFFFF;
  --text-muted: #8A9BC4;
  --text-dim:   #4f6080;
  --border:     rgba(255,255,255,0.07);
  --border-md:  rgba(255,255,255,0.12);
  --border-lg:  rgba(255,255,255,0.2);
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --nav-h:      60px;
  --max-w:      1100px;
  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Urbanist', sans-serif;
  background: var(--navy);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.1rem; }

.serif { font-family: 'DM Serif Display', serif; }
.label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-muted);
}
.text-muted { color: var(--text-muted); }
.text-orange { color: var(--orange); }

/* ─── LAYOUT ─── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h); z-index: 100;
  background: rgba(11,22,40,0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex; align-items: center;
}
.nav .container {
  display: flex; align-items: center;
  justify-content: space-between; width: 100%;
}
.nav-brand {
  font-size: 14px; font-weight: 700;
  letter-spacing: 0.02em; color: var(--white);
}
.nav-brand span { color: var(--orange); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  font-size: 13px; font-weight: 500; color: var(--text-muted);
  padding: 6px 12px; border-radius: 20px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.06); }
.nav-link.active { color: var(--white); }
.nav-link.cta {
  color: var(--white); background: var(--blue);
  padding: 6px 16px;
}
.nav-link.cta:hover { background: #1a4fd0; }
.nav-mobile-toggle {
  display: none; background: none; border: none;
  cursor: pointer; padding: 4px; color: var(--white);
}
.nav-mobile { display: none; }

/* ─── HERO ─── */
.hero {
  min-height: 100vh; padding-top: var(--nav-h);
  display: flex; align-items: center;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center; padding: 80px 0;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--orange);
  margin-bottom: 24px;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--orange);
}
.hero h1 { margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--text-muted); }
.hero-desc {
  font-size: 17px; color: var(--text-muted);
  line-height: 1.7; margin-bottom: 36px; max-width: 480px;
}
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 32px; margin-top: 48px;
  padding-top: 32px; border-top: 1px solid var(--border);
}
.hero-stat-num {
  font-size: 26px; font-weight: 800; color: var(--white);
  line-height: 1;
}
.hero-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.hero-image-wrap {
  position: relative; display: flex;
  align-items: center; justify-content: center;
}
.hero-image-frame {
  width: 100%; max-width: 420px;
  aspect-ratio: 3/4;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-md);
  background: var(--navy-card);
  position: relative;
}
.hero-image-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-image-badge {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: rgba(11,22,40,0.88); border: 1px solid var(--border-md);
  border-radius: var(--radius-md); padding: 12px 20px;
  display: flex; align-items: center; gap: 10px;
  white-space: nowrap; backdrop-filter: blur(8px);
}
.hero-badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
.hero-badge-text { font-size: 13px; font-weight: 500; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Urbanist', sans-serif;
  font-size: 14px; font-weight: 600;
  padding: 12px 24px; border-radius: 8px;
  border: none; cursor: pointer;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--blue); color: var(--white);
  box-shadow: 0 4px 16px rgba(27, 85, 229, 0.3);
}
.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(27, 85, 229, 0.55);
  letter-spacing: 0.01em;
}
.btn-outline {
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border-md);
}
.btn-outline:hover { color: var(--white); border-color: var(--border-lg); background: rgba(255,255,255,0.04); }

/* ─── CASE STUDY CARDS ─── */
.work-grid { display: flex; flex-direction: column; gap: 16px; }

.case-card {
  display: grid; grid-template-columns: 480px 1fr;
  background: var(--navy-card); border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden; cursor: pointer;
  transition: border-color var(--transition), transform var(--transition);
  text-decoration: none; color: inherit;
}
.case-card--ssm { grid-template-columns: 440px 1fr; }
.case-card--ssm .case-img img { object-position: top; }
.case-card--ssm .case-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(245,166,35,0.08) 0%, rgba(27,85,229,0.18) 100%);
  pointer-events: none;
}
.case-card:hover { border-color: var(--border-md); transform: translateY(-3px); }
.case-card:hover .case-img img { transform: scale(1.03); }
.case-card:hover .case-arrow { transform: translateX(4px); }

.case-img { overflow: hidden; position: relative; min-height: 280px; background: var(--navy-mid); }
.case-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: transform 0.4s ease; }
.case-img--contain img { object-fit: contain; padding: 20px; }

.case-body { padding: 36px 40px; display: flex; flex-direction: column; justify-content: space-between; }
.case-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.case-tag {
  font-size: 10px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 4px;
  background: var(--blue-dim); color: #7AAAF5;
  border: 1px solid rgba(27,85,229,0.2);
}
.case-tag.orange { background: var(--orange-dim); color: var(--orange); border-color: rgba(245,166,35,0.2); }
.case-tag.green { background: rgba(45,206,137,0.1); color: var(--green); border-color: rgba(45,206,137,0.2); }
.case-series-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600;
  color: var(--orange); margin-bottom: 12px;
}
.case-body h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; line-height: 1.3; }
.case-body p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
.case-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); }
.case-meta { font-size: 12px; color: var(--text-dim); }
.case-links { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; }
.case-part-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); font-size: 13px;
  transition: border-color var(--transition), background var(--transition);
  color: var(--text-muted);
}
.case-part-link:hover { border-color: var(--border-md); background: rgba(255,255,255,0.03); color: var(--white); }
.case-part-link.new { color: #7AAAF5; border-color: rgba(27,85,229,0.2); }
.case-part-link-left { display: flex; align-items: center; gap: 10px; }
.case-part-num { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); min-width: 40px; }
.case-arrow { color: var(--text-dim); transition: transform var(--transition); font-size: 14px; }
.new-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); border: 1.5px solid #7AAAF5; flex-shrink: 0; }

/* ─── ABOUT STRIP ─── */
.about-strip { background: var(--navy-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about-inner { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; align-items: start; padding: 64px 0; }
.about-inner--text-only { grid-template-columns: 1fr; max-width: 680px; }
.about-portrait { width: 100%; max-width: 280px; aspect-ratio: 1; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-md); }
.about-portrait img { width: 100%; height: 100%; object-fit: cover; }
.about-text h2 { margin-bottom: 20px; }
.about-text p { color: var(--text-muted); line-height: 1.75; margin-bottom: 16px; }
.about-values { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.about-value {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 16px; border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.about-value-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); flex-shrink: 0; margin-top: 7px; }
.about-value-title { font-size: 14px; font-weight: 600; margin-bottom: 3px; }
.about-value-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* ─── FOOTER ─── */
.footer {
  background: #070f1e;
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-inner {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 40px;
}
.footer-brand p { font-size: 13px; color: var(--text-muted); margin-top: 10px; line-height: 1.6; }
.footer-col h4 { font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 13px; color: var(--text-muted); padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--orange); }
.footer-bottom { padding-top: 24px; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.footer-bottom p { font-size: 12px; color: var(--text-dim); }

/* ─── CASE STUDY PAGE ─── */
.cs-hero { padding: calc(var(--nav-h) + 60px) 0 60px; }
.cs-hero-label { margin-bottom: 16px; }
.cs-hero h1 { margin-bottom: 16px; }
.cs-hero-desc { font-size: 18px; color: var(--text-muted); line-height: 1.7; max-width: 680px; margin-bottom: 40px; }
.cs-meta-grid { display: flex; gap: 40px; flex-wrap: wrap; padding: 28px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cs-meta-item {}
.cs-meta-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); margin-bottom: 4px; font-weight: 600; }
.cs-meta-value { font-size: 14px; font-weight: 500; }
.cs-hero-img { width: 100%; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); margin-top: 48px; background: var(--navy-card); }
.cs-hero-img img { width: 100%; display: block; }

/* Hero split layout — summary left, image right */
.cs-hero-split { display: grid; grid-template-columns: 1fr 420px; gap: 48px; align-items: start; margin-top: 48px; }
.cs-hero-split--narrow { grid-template-columns: 1fr 300px; align-items: center; }
.cs-hero-split--p1 { grid-template-columns: 1fr 340px; align-items: start; }
.cs-hero-split-img { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--navy-card); position: sticky; top: calc(var(--nav-h) + 24px); }
.cs-hero-split-img img { width: 100%; display: block; }
.cs-hero-split-img--dim { position: relative !important; top: 0 !important; }
.cs-hero-split-img--dim::after { content: ''; position: absolute; inset: 0; background: rgba(11, 22, 40, 0.35); pointer-events: none; }
@media (max-width: 900px) {
  .cs-hero-split,
  .cs-hero-split--narrow,
  .cs-hero-split--p1 { grid-template-columns: 1fr; }
  .cs-hero-split-img { position: static; max-width: 320px; margin: 0 auto; }
}

.cs-body { max-width: 720px; margin: 0 auto; }
.cs-section { padding: 56px 0; border-bottom: 1px solid var(--border); }
.cs-section:last-child { border-bottom: none; }
.cs-section-label { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--orange); margin-bottom: 12px; }
.cs-section h2 { font-size: 1.6rem; margin-bottom: 20px; }
.cs-section p { color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.cs-section p:last-child { margin-bottom: 0; }

.cs-callout {
  background: var(--navy-card); border-radius: var(--radius-md);
  border: 1px solid var(--border); border-left: 3px solid var(--orange);
  padding: 20px 24px; margin: 28px 0;
  border-radius: 0; border-radius: var(--radius-md);
}
.cs-callout p { color: var(--text-muted); font-size: 15px; line-height: 1.7; margin: 0; }

.cs-quote {
  padding: 32px 0; margin: 16px 0;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.cs-quote blockquote { font-family: 'DM Serif Display', serif; font-size: 1.3rem; line-height: 1.6; color: var(--white); font-style: italic; }
.cs-quote cite { display: block; font-size: 12px; color: var(--text-dim); margin-top: 12px; font-style: normal; font-family: 'Urbanist', sans-serif; }

.cs-stat-row { display: flex; gap: 24px; margin: 32px 0; }
.cs-stat { background: var(--navy-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px 24px; flex: 1; }
.cs-stat-num { font-size: 32px; font-weight: 800; color: var(--white); line-height: 1; }
.cs-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

.cs-full-img { margin: 32px 0; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); background: var(--navy-card); }
.cs-full-img img { width: 100%; display: block; }
.cs-full-img figcaption { font-size: 12px; color: var(--text-dim); padding: 12px 16px; border-top: 1px solid var(--border); font-style: italic; }

/* 2x2 design system showcase grid */
.cs-system-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 32px 0;
}
.cs-system-cell {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.cs-system-img {
  overflow: hidden;
  background: var(--navy-mid);
  aspect-ratio: 4/3;
  position: relative;
}
.cs-system-img img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top;
  display: block;
  transition: transform 0.35s ease;
}
.cs-system-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(245,166,35,0.18) 0%, rgba(27,85,229,0.38) 100%);
  pointer-events: none;
  transition: opacity 0.3s ease;
  opacity: 1;
}
.cs-system-cell:hover .cs-system-img::after { opacity: 0.5; }
.cs-system-cell:hover .cs-system-img img { transform: scale(1.03); }
.cs-system-cell figcaption {
  padding: 14px 16px;
  font-size: 12px; color: var(--text-dim);
  border-top: 1px solid var(--border);
  line-height: 1.5;
}
.cs-system-cell-label {
  display: block;
  font-size: 11px; font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 4px;
}
@media (max-width: 600px) { .cs-system-grid { grid-template-columns: 1fr; } }

/* Artifact frame — for "before" screenshots presented as historical artifacts */
.cs-artifact {
  margin: 32px auto;
  max-width: 65%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--navy-card);
}
.cs-artifact-chrome {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 14px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.cs-artifact-chrome span {
  display: block; width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0;
}
.cs-artifact-chrome span:nth-child(1) { background: rgba(255,90,80,0.45); }
.cs-artifact-chrome span:nth-child(2) { background: rgba(255,190,40,0.45); }
.cs-artifact-chrome span:nth-child(3) { background: rgba(40,200,80,0.45); }
.cs-artifact-url {
  flex: 1; text-align: center;
  font-size: 10px; color: var(--text-dim);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: 4px; padding: 3px 10px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cs-artifact img { width: 100%; display: block; opacity: 0.85; }
.cs-artifact figcaption { font-size: 12px; color: var(--text-dim); padding: 12px 16px; border-top: 1px solid var(--border); font-style: italic; }
@media (max-width: 900px) { .cs-artifact { max-width: 100%; } }

/* Mockup iframe frame */
.cs-mockup-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--navy-card);
  margin: 32px 0;
}
.cs-mockup-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border);
}
.cs-mockup-dots { display: flex; gap: 5px; flex-shrink: 0; }
.cs-mockup-dots span { display: block; width: 10px; height: 10px; border-radius: 50%; }
.cs-mockup-dots span:nth-child(1) { background: rgba(255,90,80,0.6); }
.cs-mockup-dots span:nth-child(2) { background: rgba(255,190,40,0.6); }
.cs-mockup-dots span:nth-child(3) { background: rgba(40,200,80,0.6); }
.cs-mockup-label { flex: 1; font-size: 11px; font-weight: 600; color: var(--text-dim); letter-spacing: 0.04em; }
.cs-mockup-link { font-size: 11px; color: var(--blue); text-decoration: none; font-weight: 600; letter-spacing: 0.03em; transition: color 0.2s; flex-shrink: 0; }
.cs-mockup-link:hover { color: var(--orange); }
.cs-mockup-iframe { display: block; width: 100%; height: 640px; border: none; }

.cs-phases { display: flex; flex-direction: column; gap: 12px; margin: 24px 0; }
.cs-phase { display: flex; gap: 20px; align-items: flex-start; padding: 16px 20px; background: var(--navy-card); border-radius: var(--radius-md); border: 1px solid var(--border); }
.cs-phase-num { font-size: 11px; font-weight: 700; color: var(--orange); min-width: 56px; padding-top: 2px; letter-spacing: 0.06em; }
.cs-phase-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.cs-phase-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* Previously / continuation bars */
.cs-previously {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; margin-bottom: 32px;
  background: var(--navy-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 13px; color: var(--text-muted);
}
.cs-previously a { color: #7AAAF5; font-weight: 600; margin-left: 4px; }
.cs-previously a:hover { text-decoration: underline; }
.cs-previously-divider { color: var(--text-dim); }

.cs-continuation {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; margin-bottom: 16px;
  background: rgba(27,85,229,0.08); border: 1px solid rgba(27,85,229,0.2);
  border-radius: var(--radius-md); cursor: pointer;
  transition: border-color var(--transition);
  text-decoration: none; color: inherit;
}
.cs-continuation:hover { border-color: rgba(27,85,229,0.4); }
.cs-continuation:hover .cs-cont-arrow { transform: translateX(4px); }
.cs-cont-eyebrow { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: #7AAAF5; margin-bottom: 4px; }
.cs-cont-title { font-size: 15px; font-weight: 600; color: var(--white); }
.cs-cont-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.cs-cont-arrow { font-size: 20px; color: #7AAAF5; transition: transform var(--transition); }

.cs-next { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; border-top: 1px solid var(--border); }
.cs-next-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); margin-bottom: 4px; font-weight: 600; }
.cs-next-title { font-size: 15px; font-weight: 600; color: var(--white); }
.cs-next:hover .cs-next-title { color: var(--orange); }
.cs-next-arrow { font-size: 18px; color: var(--text-dim); }

/* ─── ABOUT PAGE ─── */
.about-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding-top: 48px; border-top: 1px solid var(--border); }
.about-hero { padding: calc(var(--nav-h) + 60px) 0 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-skills { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 32px; }
.skill-card { background: var(--navy-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px 18px; }
.skill-card h4 { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.skill-card p { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* ─── CONTACT PAGE ─── */
.contact-wrap { max-width: 560px; margin: 0 auto; padding: calc(var(--nav-h) + 80px) 0 80px; }
.contact-form { display: flex; flex-direction: column; gap: 16px; margin-top: 40px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text-muted); }
.form-input, .form-textarea {
  background: var(--navy-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 16px;
  font-size: 14px; color: var(--white); font-family: 'Urbanist', sans-serif;
  outline: none; transition: border-color var(--transition);
  width: 100%;
}
.form-input:focus, .form-textarea:focus { border-color: var(--blue); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-dim); }
.form-textarea { resize: vertical; min-height: 140px; }

/* Mockup iframe mobile fallback */
.cs-mockup-open-btn {
  display: none;
  width: 100%; padding: 18px 20px;
  background: var(--navy-mid); color: #7AAAF5;
  font-size: 14px; font-weight: 600; text-align: center;
  border: none; cursor: pointer; font-family: 'Urbanist', sans-serif;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.cs-mockup-open-btn:hover { background: var(--navy-light); }

/* ─── MOBILE ─── */
@media (max-width: 900px) {
  .container { padding: 0 20px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-image-wrap { order: -1; }
  .hero-image-frame { max-width: 280px; margin: 0 auto; aspect-ratio: 1; }
  .hero-desc { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .case-card,
  .case-card--ssm { grid-template-columns: 1fr; }
  .case-img { min-height: 220px; }
  .case-body { padding: 24px; }
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .about-portrait { max-width: 180px; }
  .about-2col { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-col a { padding: 10px 0; font-size: 15px; }
  .footer-brand p { font-size: 14px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav-mobile.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--navy-mid); border-bottom: 1px solid var(--border);
    padding: 16px 20px; gap: 4px;
  }
  .nav-mobile .nav-link { display: block; padding: 10px 12px; }
  .about-hero { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 40px); }
  .cs-stat-row { flex-wrap: wrap; }
  .cs-meta-grid { gap: 20px; }
  /* Hide iframes on mobile — show tap-to-open link instead */
  .cs-mockup-iframe { display: none; }
  .cs-mockup-open-btn { display: block; }
}

@media (max-width: 600px) {
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .about-skills { grid-template-columns: 1fr; }
  .cs-phases { gap: 8px; }
}

/* ─── LIGHTBOX ─── */
#cs-lightbox {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(7, 15, 30, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center; justify-content: center;
  padding: 24px;
}
#cs-lightbox.open { display: flex; }
#cs-lightbox-inner {
  max-width: 90vw; max-height: 90vh;
  display: flex; flex-direction: column;
  border-radius: 10px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
}
#cs-lightbox-img {
  max-width: 90vw; max-height: calc(90vh - 48px);
  object-fit: contain; display: block;
}
#cs-lightbox-cap {
  background: rgba(11,22,40,0.96); padding: 12px 20px;
  font-size: 12px; color: rgba(255,255,255,0.45);
  font-family: 'Urbanist', sans-serif; letter-spacing: 0.06em;
  text-transform: uppercase; font-weight: 600;
  border-top: 1px solid rgba(255,255,255,0.08);
  min-height: 0;
}
#cs-lightbox-cap:empty { display: none; }
#cs-lightbox-close {
  position: fixed; top: 20px; right: 24px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7); border-radius: 50%;
  width: 36px; height: 36px; font-size: 14px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, color 0.2s;
  font-family: sans-serif; line-height: 1;
}
#cs-lightbox-close:hover { background: rgba(255,255,255,0.15); color: #fff; }