/* ==========================================================================
   9SOU.STUDIO — Ocean Tech Design System v3
   Colors: Deep ocean blue · Electric teal · Warm coral
   ========================================================================== */

:root {
  /* Core palette */
  --navy:        #07192e;
  --navy-mid:    #0d2540;
  --navy-light:  #112e4f;
  --navy-card:   #0f2845;

  --teal:        #2dd4bf;
  --teal-dim:    rgba(45, 212, 191, 0.7);
  --teal-muted:  rgba(45, 212, 191, 0.12);
  --teal-border: rgba(45, 212, 191, 0.18);
  --teal-dark:   #0e8c7a;

  --coral:       #ff6b47;
  --coral-light: #ff8c6e;
  --coral-muted: rgba(255, 107, 71, 0.12);
  --coral-border:rgba(255, 107, 71, 0.2);

  --blue-accent: #378add;

  --text-bright: #eaf6f6;
  --text-mid:    rgba(234, 246, 246, 0.72);
  --text-dim:    rgba(234, 246, 246, 0.42);

  --border:      rgba(45, 212, 191, 0.14);
  --border-soft: rgba(234, 246, 246, 0.07);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Layout */
  --container: 1160px;
  --section-y: clamp(72px, 10vw, 130px);
  --radius:    16px;
  --radius-sm: 10px;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-bright);
  background: var(--navy);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 0.45em;
}
h1 { font-size: clamp(44px, 7.5vw, 88px); }
h2 { font-size: clamp(34px, 4.5vw, 60px); }
h3 { font-size: clamp(22px, 2.8vw, 32px); }
h4 { font-size: clamp(18px, 2vw, 22px); font-family: var(--font-body); font-weight: 600; letter-spacing: -0.01em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 18px; height: 1px;
  background: var(--teal);
}

.lead {
  font-size: clamp(17px, 1.8vw, 20px);
  color: var(--text-mid);
  max-width: 620px;
  font-weight: 300;
  line-height: 1.75;
}

.gradient-text {
  background: linear-gradient(135deg, var(--teal) 0%, var(--coral-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

section { padding: var(--section-y) 0; }

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Alternating section bg */
.section-alt {
  background: var(--navy-mid);
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
}

/* ==========================================================================
   Reveal animation
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(7, 25, 46, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 0.5px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--teal), var(--coral-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
  margin: 0;
}

.nav-links a {
  font-size: 0.83rem;
  font-weight: 400;
  color: var(--text-mid);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  letter-spacing: 0.01em;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-bright); background: var(--teal-muted); }

/* hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text-bright);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--teal-dark), var(--teal));
  color: var(--navy);
  font-weight: 600;
}
.btn-primary:hover { box-shadow: 0 10px 28px rgba(45, 212, 191, 0.32); }

.btn-coral {
  background: linear-gradient(135deg, var(--coral), var(--coral-light));
  color: white;
  font-weight: 600;
}
.btn-coral:hover { box-shadow: 0 10px 28px rgba(255, 107, 71, 0.35); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--teal-border);
  color: var(--teal);
}
.btn-ghost:hover { background: var(--teal-muted); border-color: var(--teal); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-soft);
  color: var(--text-mid);
}
.btn-outline:hover { border-color: var(--teal-border); color: var(--text-bright); }

.btn-arrow::after { content: '→'; font-size: 1em; transition: transform 0.2s; }
.btn:hover.btn-arrow::after { transform: translateX(4px); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--section-y) * 1.1) 0 var(--section-y);
}

/* ambient orbs */
.hero::before {
  content: '';
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,140,122,0.18) 0%, transparent 70%);
  top: -15%; right: -10%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,71,0.1) 0%, transparent 70%);
  bottom: 0; left: -8%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  position: relative; z-index: 1;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--teal-muted);
  border: 0.5px solid var(--teal-border);
  border-radius: 100px;
  padding: 0.35rem 1rem;
  font-size: 0.75rem;
  color: var(--teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero-label .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero h1 { margin-bottom: 1.25rem; }
.hero .lead { margin-bottom: 2.25rem; }

.hero-cta {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

/* Hero right panel */
.hero-panel {
  background: rgba(13, 37, 64, 0.6);
  border: 0.5px solid var(--teal-border);
  border-radius: 24px;
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  position: relative;
}

.panel-header {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 0.5px solid var(--border-soft);
}
.panel-avatar {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-dark), var(--coral));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800; font-size: 1rem;
  color: white; flex-shrink: 0;
  border: 1.5px solid rgba(45,212,191,0.3);
}
.panel-info h4 { font-size: 0.95rem; font-family: var(--font-display); margin-bottom: 2px; color: var(--text-bright); }
.panel-info p { font-size: 0.72rem; color: var(--teal); letter-spacing: 0.05em; margin: 0; }

.panel-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem; margin-bottom: 1.5rem;
}
.panel-stat {
  background: rgba(7,25,46,0.7);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.4rem;
  text-align: center;
}
.panel-stat-num {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 800;
  background: linear-gradient(135deg, var(--teal), var(--coral-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.panel-stat-label { font-size: 0.6rem; color: var(--text-dim); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 3px; }

.panel-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.panel-tag {
  background: var(--teal-muted);
  border: 0.5px solid var(--teal-border);
  border-radius: 100px;
  padding: 0.25rem 0.7rem;
  font-size: 0.68rem;
  color: var(--teal);
  letter-spacing: 0.03em;
}

/* floating badge */
.float-badge {
  position: absolute;
  top: -1.2rem; right: 1.5rem;
  background: rgba(13, 37, 64, 0.85);
  border: 0.5px solid var(--coral-border);
  border-radius: 100px;
  padding: 0.35rem 1rem;
  font-size: 0.72rem;
  color: var(--coral-light);
  white-space: nowrap;
  backdrop-filter: blur(12px);
  display: flex; align-items: center; gap: 0.45rem;
  animation: floatY 5s ease-in-out infinite;
}
.float-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--coral-light); animation: blink 1.8s ease-in-out infinite; }
@keyframes floatY { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }

/* ==========================================================================
   Marquee
   ========================================================================== */
.marquee-wrap {
  overflow: hidden;
  padding: 1.1rem 0;
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
  background: var(--navy-mid);
}
.marquee-track {
  display: flex; gap: 2.5rem;
  width: max-content;
  animation: marquee 22s linear infinite;
}
@keyframes marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }
.marquee-item {
  display: flex; align-items: center; gap: 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}
.marquee-sep { color: var(--teal); opacity: 0.6; }

/* ==========================================================================
   Stats
   ========================================================================== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  background: var(--navy-card);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: background 0.2s;
}
.stat:hover { background: var(--navy-light); }
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--teal) 0%, var(--coral-light) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.stat-label { font-size: 13px; color: var(--text-dim); }

/* ==========================================================================
   Cards / Grid
   ========================================================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--navy-card);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(45,212,191,0.04), transparent);
  opacity: 0; transition: opacity 0.25s;
}
.card:hover { transform: translateY(-5px); border-color: var(--teal-border); }
.card:hover::before { opacity: 1; }

.card-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.2rem;
}
.icon-teal { background: var(--teal-muted); }
.icon-coral { background: var(--coral-muted); }
.icon-blue { background: rgba(55,138,221,0.1); }

.card h3 { font-size: clamp(18px, 2vw, 22px); margin-bottom: 0.5rem; }
.card p { color: var(--text-mid); font-size: 0.9rem; font-weight: 300; }

.card-arrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; color: var(--teal);
  margin-top: 1.25rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  opacity: 0.7;
}

/* ==========================================================================
   Case studies
   ========================================================================== */
.case-study {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  padding: 3.5rem 0;
  border-bottom: 0.5px solid var(--border-soft);
}
.case-study:last-child { border-bottom: 0; }

.case-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}

.case-result {
  font-family: var(--font-display);
  font-size: clamp(52px, 6.5vw, 88px);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--teal), var(--coral-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}
.case-result span {
  font-size: clamp(18px, 2vw, 24px);
  color: var(--text-mid);
  -webkit-text-fill-color: var(--text-mid);
}

.case-meta p {
  font-size: 0.9rem;
  color: var(--text-mid);
  padding: 0.6rem 0;
  border-bottom: 0.5px solid var(--border-soft);
  display: flex; gap: 0.5rem;
}
.case-meta p:last-child { border-bottom: 0; }
.case-meta strong { color: var(--text-bright); min-width: 110px; font-weight: 500; }

/* ==========================================================================
   Process steps
   ========================================================================== */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  counter-reset: step;
}
.step {
  counter-increment: step;
  padding: 1.75rem;
  background: var(--navy-card);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, transform 0.2s;
}
.step:hover { border-color: var(--teal-border); transform: translateY(-4px); }
.step::before {
  content: '0' counter(step);
  display: block;
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--teal), var(--coral-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}
.step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.step p { color: var(--text-mid); font-size: 0.88rem; font-weight: 300; }

/* ==========================================================================
   Pricing
   ========================================================================== */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  align-items: start;
}

.price-card {
  background: var(--navy-card);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 2.25rem 2rem;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}
.price-card:hover { transform: translateY(-4px); }
.price-card.featured {
  border-color: rgba(45,212,191,0.4);
  background: linear-gradient(160deg, rgba(14,140,122,0.14) 0%, var(--navy-card) 60%);
}

.price-badge {
  position: absolute; top: -13px; left: 2rem;
  background: linear-gradient(135deg, var(--teal-dark), var(--teal));
  color: var(--navy);
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.07em; text-transform: uppercase;
}

.price-tier {
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 10px;
}
.price-amount {
  font-family: var(--font-display);
  font-size: 3.2rem; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--teal), var(--coral-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 6px;
}
.price-amount span {
  font-size: 1rem; font-family: var(--font-body);
  color: var(--text-dim); -webkit-text-fill-color: var(--text-dim);
}
.price-desc { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 1.75rem; }

.price-features {
  list-style: none; margin: 0 0 2rem;
  display: flex; flex-direction: column; gap: 0;
}
.price-features li {
  padding: 0.65rem 0 0.65rem 1.6rem;
  position: relative;
  border-bottom: 0.5px solid var(--border-soft);
  font-size: 0.88rem; color: var(--text-mid);
}
.price-features li:last-child { border-bottom: 0; }
.price-features li::before {
  content: '✓';
  position: absolute; left: 0;
  color: var(--teal); font-weight: 700;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-item {
  border-bottom: 0.5px solid var(--border-soft);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem; font-weight: 500;
  padding: 1.2rem 0;
  color: var(--text-bright);
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.6rem; font-weight: 300;
  color: var(--teal);
  transition: transform 0.22s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--teal); }
.faq-item p {
  color: var(--text-mid);
  padding: 0 0 1.25rem;
  max-width: 70ch;
  font-size: 0.93rem; line-height: 1.7;
}

/* ==========================================================================
   Form
   ========================================================================== */
.form { display: grid; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-dim);
}
.field input, .field textarea, .field select {
  background: rgba(13, 37, 64, 0.6);
  border: 0.5px solid var(--teal-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-bright);
  font-family: var(--font-body);
  font-size: 0.93rem;
  transition: border-color 0.2s, background 0.2s;
  outline: none;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--teal);
  background: rgba(13, 59, 110, 0.4);
}
.field select { cursor: pointer; }
.field select option { background: var(--navy-mid); }
.field textarea { min-height: 140px; resize: vertical; }

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

.form-status {
  padding: 1rem; border-radius: var(--radius-sm);
  font-size: 0.9rem; display: none;
}
.form-status.success {
  display: block;
  background: rgba(45,212,191,0.1);
  color: var(--teal);
  border: 0.5px solid var(--teal-border);
}
.form-status.error {
  display: block;
  background: rgba(255,107,71,0.1);
  color: var(--coral-light);
  border: 0.5px solid var(--coral-border);
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, rgba(14,140,122,0.18) 0%, rgba(13,37,64,0.8) 100%);
  border: 0.5px solid var(--teal-border);
  border-radius: 24px;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 6vw, 5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(45,212,191,0.07) 0%, transparent 70%);
  top: -30%; right: -15%;
  pointer-events: none;
}
.cta-banner .eyebrow { display: block; text-align: center; }
.cta-banner h2 { max-width: 20ch; margin: 0 auto 1rem; }
.cta-banner .lead { margin: 0 auto 2rem; }

/* ==========================================================================
   Services page detail (reuse case-study layout)
   ========================================================================== */
.service-detail {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4.5rem; align-items: start;
  padding: 3rem 0;
  border-bottom: 0.5px solid var(--border-soft);
}
.service-detail:last-child { border-bottom: 0; }

.service-list {
  list-style: none; padding: 0;
  display: flex; flex-direction: column; gap: 0;
}
.service-list li {
  display: flex; gap: 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 0.5px solid var(--border-soft);
  font-size: 0.9rem; color: var(--text-mid);
}
.service-list li:last-child { border-bottom: 0; }
.service-list li::before { content: '→'; color: var(--teal); flex-shrink: 0; }

/* ==========================================================================
   About page
   ========================================================================== */
.big-quote {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, rgba(45,212,191,0.25), rgba(45,212,191,0.06));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 5rem; align-items: center; }

.pill-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pill {
  padding: 0.35rem 0.9rem; border-radius: 100px;
  font-size: 0.78rem; font-weight: 400;
}
.pill-teal { background: var(--teal-muted); color: var(--teal); border: 0.5px solid var(--teal-border); }
.pill-coral { background: var(--coral-muted); color: var(--coral-light); border: 0.5px solid var(--coral-border); }
.pill-blue { background: rgba(55,138,221,0.1); color: #7ec2f0; border: 0.5px solid rgba(55,138,221,0.2); }

/* ==========================================================================
   Contact info
   ========================================================================== */
.contact-links { display: flex; flex-direction: column; gap: 0.85rem; }
.contact-link {
  display: flex; align-items: center; gap: 0.85rem;
  color: var(--text-mid); font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s;
}
.contact-link:hover { color: var(--teal); }
.contact-link-icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: var(--teal-muted);
  border: 0.5px solid var(--teal-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; flex-shrink: 0;
  transition: background 0.2s;
}
.contact-link:hover .contact-link-icon { background: rgba(45,212,191,0.2); }

.contact-meta p {
  font-size: 0.88rem; color: var(--text-mid);
  padding: 0.5rem 0;
  border-bottom: 0.5px solid var(--border-soft);
}
.contact-meta p:last-child { border-bottom: 0; }
.contact-meta strong { color: var(--text-bright); font-weight: 500; }
.contact-meta a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 0.5px solid var(--border);
  padding: 4rem 0 2rem;
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 800;
  background: linear-gradient(135deg, var(--teal), var(--coral-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}
.footer p { color: var(--text-dim); max-width: 30ch; line-height: 1.65; }
.footer h5 {
  font-size: 11px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim);
  margin: 0 0 1rem;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { color: var(--text-mid); transition: color 0.2s; }
.footer-links a:hover { color: var(--teal); }
.footer-bottom {
  border-top: 0.5px solid var(--border-soft);
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 0.75rem; color: var(--text-dim);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-panel { display: none; }
  .case-study, .service-detail { grid-template-columns: 1fr; gap: 2rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    background: rgba(7, 25, 46, 0.97);
    border-bottom: 0.5px solid var(--border);
    padding: 1rem;
    gap: 0.25rem;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.85rem 1rem; }
}

@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; }
}