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

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface2: #1a1a1a;
  --border: rgba(255,255,255,0.08);
  --text: #f5f5f7;
  --muted: rgba(245,245,247,0.55);
  --accent: #6c63ff;
  --accent2: #00d4ff;
  --green: #30d158;
  --blue: #0a84ff;
  --purple: #bf5af2;
  --radius: 16px;
  --nav-h: 64px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ─── SCROLLBAR ─────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ─── CONTAINER ─────────────────────────────────────────────────── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── TYPOGRAPHY ────────────────────────────────────────────────── */
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 20px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── BUTTONS ───────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: white;
  color: #000;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
  border: none;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,255,255,0.15);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: border-color 0.2s, background 0.2s;
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.05);
}

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

/* ─── REVEAL ANIMATION ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ─── NAV ───────────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.3s, backdrop-filter 0.3s, border-bottom 0.3s;
}
#navbar.scrolled {
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1160px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; }
.logo-img { height: 32px; width: auto; mix-blend-mode: screen; }
.logo-img--footer { height: 28px; mix-blend-mode: screen; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta {
  padding: 8px 20px;
  background: white;
  color: #000;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.875rem;
}
.nav-links .nav-cta:hover { opacity: 0.9; color: #000; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ─── HERO ──────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(108,99,255,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0,212,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 24px;
  background: rgba(255,255,255,0.03);
  letter-spacing: 0.04em;
}

.hero-headline {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 820px;
  margin: 0 auto 24px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

.hero-visual {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 760px;
  margin: 0 auto;
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  min-width: 200px;
  flex: 1;
  max-width: 240px;
  backdrop-filter: blur(12px);
}
.hero-card--2 { transform: translateY(-12px); }
.hero-card--3 { transform: translateY(8px); }

.card-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-bottom: 12px;
}
.card-dot.green { background: var(--green); }
.card-dot.blue { background: var(--blue); }
.card-dot.purple { background: var(--purple); }

.card-label { font-size: 0.75rem; color: var(--muted); margin-bottom: 4px; }
.card-value { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.card-bar { height: 4px; background: rgba(255,255,255,0.08); border-radius: 4px; overflow: hidden; }
.card-fill { height: 100%; background: var(--green); border-radius: 4px; }
.card-fill.blue-fill { background: var(--blue); }
.card-fill.purple-fill { background: var(--purple); }

.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}
.scroll-hint-circle {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ─── SERVICES ──────────────────────────────────────────────────── */
#services {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

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

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.3s, transform 0.3s;
}
.service-card:hover {
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-4px);
}
.service-icon {
  width: 52px; height: 52px;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: var(--surface2);
}
.service-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 12px; }
.service-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.65; }

/* ─── PORTFOLIO ─────────────────────────────────────────────────── */
#portfolio {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

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

.port-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.3s, transform 0.3s;
}
.port-card:hover {
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-4px);
}
.port-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 16px;
}
.port-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 12px; }
.port-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.65; margin-bottom: 20px; }
.port-stat {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent2);
  padding: 8px 0;
  border-top: 1px solid var(--border);
}

/* ─── HERO AGENT CARD ───────────────────────────────────────────── */
.hero-visual {
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
}

.hero-agent-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 32px;
  backdrop-filter: blur(12px);
}

.hac-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 24px;
}

.hac-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: blink 2s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hac-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.hac-step {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.25);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 500;
}
.hac-step.done {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: rgba(255,255,255,0.15);
}
.hac-step.active {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
}
.hac-bar {
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}
.hac-fill {
  height: 100%;
  width: 62%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent2) 100%);
  border-radius: 3px;
  animation: fillprogress 3s ease-in-out infinite alternate;
}
@keyframes fillprogress {
  from { width: 55%; }
  to { width: 72%; }
}

/* ─── LLM SECTION ───────────────────────────────────────────────── */
#llms {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.llm-marquee-wrap {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
}

.llm-marquee {
  overflow: hidden;
}

.llm-track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.llm-track:hover { animation-play-state: paused; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.llm-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  white-space: nowrap;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: border-color 0.2s;
  cursor: default;
}
.llm-pill:hover { border-color: rgba(255,255,255,0.22); }
.llm-pill svg { flex-shrink: 0; opacity: 0.85; }
.llm-pill img { width: 20px; height: 20px; flex-shrink: 0; opacity: 0.85; }

/* ─── TECH STACK ────────────────────────────────────────────────── */
#techstack {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.stack-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.stack-cat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
}

.stack-cat-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent2);
  margin-bottom: 16px;
}

.stack-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack-pill {
  padding: 6px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s, border-color 0.2s;
}
.stack-pill:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
}

/* ─── PROCESS ───────────────────────────────────────────────────── */
#process {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.process-header {
  text-align: center;
  margin-bottom: 80px;
}
.process-header .section-sub {
  margin: 0 auto 0;
}

.steps-scroll-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
  user-select: none;
}
.steps-scroll-container:active { cursor: grabbing; }
.steps-scroll-container::-webkit-scrollbar { display: none; }

.steps-track {
  display: flex;
  gap: 24px;
  padding: 0 max(24px, calc((100vw - 1160px)/2));
  width: max-content;
}

.step-panel {
  width: 520px;
  min-height: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.4s, transform 0.4s;
}
.step-panel.active {
  border-color: rgba(255,255,255,0.22);
}

.step-number {
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: rgba(255,255,255,0.06);
  line-height: 1;
  position: absolute;
  top: 32px;
  right: 36px;
}

.step-badge {
  display: inline-block;
  padding: 4px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent2);
  width: fit-content;
}

.step-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 12px 0 14px;
  line-height: 1.2;
}
.step-content p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.step-content ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.step-content li {
  font-size: 0.85rem;
  color: var(--muted);
  padding-left: 20px;
  position: relative;
}
.step-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent2);
}

/* Step Graphics */
.step-visual { margin-top: auto; }
.step-graphic {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sg-icon { opacity: 0.8; }
.sg-label { font-size: 0.8rem; color: var(--muted); font-weight: 500; }

.sg-bars { display: flex; align-items: flex-end; gap: 6px; height: 48px; }
.sg-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--accent2) 0%, var(--accent) 100%);
  border-radius: 4px 4px 0 0;
  opacity: 0.7;
}

.sg-nodes { display: flex; align-items: center; gap: 6px; }
.sg-node {
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.3);
  background: var(--surface);
}
.sg-node.active { background: var(--accent2); border-color: var(--accent2); }
.sg-edge { flex: 1; height: 1px; background: var(--border); }

.sg-progress { display: flex; align-items: center; gap: 12px; }
.sg-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}
.sg-progress-bar::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--w);
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent2) 100%);
  border-radius: 6px;
}
.sg-progress span { font-size: 0.8rem; font-weight: 600; color: var(--accent2); }

.sg-pulse { display: flex; align-items: center; justify-content: center; height: 48px; position: relative; }
.sg-pulse-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--green); }
.sg-pulse-ring {
  position: absolute;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--green);
  animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

.sg-circle-chart { position: relative; display: inline-flex; align-items: center; justify-content: center; }
.sg-circle-chart span {
  position: absolute;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Step nav dots */
.steps-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}
.step-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
  border: none;
}
.step-dot.active {
  background: var(--text);
  transform: scale(1.4);
}

/* ─── FAQ ───────────────────────────────────────────────────────── */
#faq {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}
#faq .container { max-width: 760px; }

.faq-list { display: flex; flex-direction: column; gap: 1px; }

.faq-item {
  border-top: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: 1px solid var(--border); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  gap: 16px;
}
.faq-q:hover { color: white; }
.faq-arrow { flex-shrink: 0; transition: transform 0.3s; color: var(--muted); }
.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.22,1,0.36,1), padding 0.3s;
}
.faq-item.open .faq-a { max-height: 200px; padding-bottom: 24px; }
.faq-a p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; }

/* ─── ABOUT ─────────────────────────────────────────────────────── */
#about {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-text .btn-primary { margin-top: 12px; }

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
}
.about-card-inner { display: flex; flex-direction: column; gap: 28px; }
.about-divider { height: 1px; background: var(--border); }

.about-mission {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about-mission-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface2);
}
.about-mission p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ─── CONTACT ───────────────────────────────────────────────────── */
#contact {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

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

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  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-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.2); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: rgba(255,255,255,0.3); }
.form-group select option { background: #1a1a1a; }
.error-field { border-color: rgba(255,69,58,0.6) !important; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 16px;
  background: rgba(48,209,88,0.08);
  border: 1px solid rgba(48,209,88,0.2);
  border-radius: 10px;
  color: var(--green);
  font-size: 0.9rem;
  font-weight: 500;
}
.form-success.visible { display: flex; }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 8px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.ci-icon {
  width: 42px; height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--muted);
}
.ci-label { font-size: 0.75rem; color: var(--muted); margin-bottom: 2px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.ci-val { font-size: 0.95rem; font-weight: 500; }

.contact-promise {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin-top: 8px;
}
.contact-promise h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; color: var(--text); }
.contact-promise ol { padding-left: 20px; list-style: decimal; display: flex; flex-direction: column; gap: 10px; }
.contact-promise li { font-size: 0.85rem; color: var(--muted); line-height: 1.5; padding-left: 4px; }

/* ─── FOOTER ────────────────────────────────────────────────────── */
footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo p { font-size: 0.8rem; color: var(--muted); margin-top: 8px; }

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a { font-size: 0.85rem; color: var(--muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.25); }

/* ─── RESPONSIVE ────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-cards { grid-template-columns: 1fr 1fr; }
  .stack-categories { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 700px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .portfolio-cards { grid-template-columns: 1fr; }
  .stack-categories { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-visual { flex-direction: column; align-items: center; }
  .step-panel { width: 88vw; padding: 32px 24px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1);
}
.mobile-nav.open { transform: none; }
.mobile-nav a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}
.mobile-nav .nav-cta {
  padding: 14px 32px;
  background: white;
  color: #000;
  border-radius: 100px;
  font-size: 1rem;
}