/* ===== Design tokens ===== */
:root {
  --bg: #F6F7FA;
  --bg-elevated: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #EEF0F5;
  --border: #E2E5EC;
  --text-primary: #12141C;
  --text-secondary: #4B5162;
  --text-tertiary: #868EA0;
  --accent: #0D9488;
  --accent-strong: #0F766E;
  --accent-soft: rgba(13, 148, 136, 0.10);
  --accent-contrast: #FFFFFF;
  --accent-2: #D97706;
  --accent-2-soft: rgba(217, 119, 6, 0.12);
  --accent-glow: rgba(13, 148, 136, 0.28);
  --shadow-sm: 0 1px 2px rgba(16, 18, 30, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 18, 30, 0.08);
  --shadow-lg: 0 24px 64px rgba(16, 18, 30, 0.16);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --duration-fast: 150ms;
  --duration-base: 240ms;
  --ease-out: cubic-bezier(.16,1,.3,1);
  --node-bg: #FFFFFF;
  --node-border: #E2E5EC;
  --scrim: rgba(12, 13, 20, 0.55);
  color-scheme: light;
}

html.dark {
  --bg: #0B0C12;
  --bg-elevated: #13141D;
  --surface: #14151F;
  --surface-2: #1B1D29;
  --border: #262838;
  --text-primary: #F2F3F8;
  --text-secondary: #A6ACC1;
  --text-tertiary: #6D7387;
  --accent: #2DD4BF;
  --accent-strong: #5EEAD4;
  --accent-soft: rgba(45, 212, 191, 0.14);
  --accent-contrast: #072320;
  --accent-2: #FBBF24;
  --accent-2-soft: rgba(251, 191, 36, 0.14);
  --accent-glow: rgba(45, 212, 191, 0.35);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.45);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.55);
  --node-bg: #191B26;
  --node-border: #2A2D3D;
  --scrim: rgba(4, 5, 10, 0.72);
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.55;
  transition: background-color var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out);
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transform: translateY(0);
  transition: transform var(--duration-base) var(--ease-out), background-color var(--duration-base) var(--ease-out);
}
.site-header.header-hidden { transform: translateY(-100%); }

/* ===== Scroll progress bar ===== */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 50;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0); transform-origin: left; will-change: transform;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { font-weight: 800; font-size: 1.15rem; }
.brand-dot { color: var(--accent); }
.nav-links { display: flex; gap: 28px; font-size: 0.95rem; color: var(--text-secondary); }
.nav-links a { transition: color var(--duration-fast) var(--ease-out); }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--text-primary); }
.menu-toggle { display: none; }
.header-actions { display: flex; align-items: center; gap: 14px; }

.icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface); color: var(--text-primary);
  cursor: pointer; transition: background-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn:active { transform: scale(0.95); }
.icon-btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.icon-moon { display: none; }
html.dark .icon-sun { display: none; }
html.dark .icon-moon { display: block; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem;
  cursor: pointer; border: 1px solid transparent; min-height: 44px;
  transition: background-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); color: var(--accent-contrast); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-sm { padding: 9px 16px; font-size: 0.875rem; min-height: 38px; }
.btn-block { width: 100%; }

/* ===== Hero ===== */
.hero { position: relative; padding: 96px 0 64px; overflow: hidden; }
.hero-grid {
  position: absolute; inset: -20% -10% auto -10%; height: 620px;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 20%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 60% 60% at 50% 20%, #000 30%, transparent 75%);
  opacity: 0.6;
  will-change: transform;
}
/* Cursor-following glow across the whole site (sits behind content) */
.page-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
  background: radial-gradient(460px circle at var(--gx, 50%) var(--gy, 50%), var(--accent-glow), transparent 70%);
}
body.glow-active .page-glow { opacity: 1; }
.hero-inner { position: relative; max-width: 760px; }
.hero-avatar-row { display: flex; align-items: center; gap: 18px; margin-bottom: 26px; }
.hero-avatar {
  width: 132px; height: 132px; border-radius: 50%; flex: 0 0 auto;
  border: 2px solid var(--border); box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-2-soft));
  color: var(--accent); font-weight: 700; font-size: 2.4rem;
}
.hero-avatar img { width: 100%; height: 100%; object-fit: cover; }
.eyebrow {
  display: inline-block; font-size: 0.85rem; font-weight: 600; color: var(--accent);
  background: var(--accent-soft); padding: 6px 14px; border-radius: 999px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.1; margin: 22px 0 20px; }
.hero-sub { display: block; font-size: 1.1rem; color: var(--text-secondary); max-width: 620px; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }

/* ===== Hero tools marquee ===== */
.marquee {
  position: relative; max-width: 100%; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex; align-items: center; gap: 40px; width: max-content;
  animation: marquee-scroll 28s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item { display: flex; align-items: center; gap: 8px; color: var(--text-tertiary); font-size: 0.85rem; font-weight: 500; white-space: nowrap; }
.marquee-item img, .marquee-item svg { width: 20px; height: 20px; opacity: 0.85; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .page-glow { display: none; }
}

/* ===== Sections ===== */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-elevated); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-kicker { font-size: 0.85rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-top: 10px; }
.section-sub { display: block; margin-top: 12px; color: var(--text-secondary); font-size: 1.02rem; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.about-copy { color: var(--text-secondary); font-size: 1.05rem; }
.skill-pills { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.skill-pills li {
  font-size: 0.85rem; font-weight: 500; padding: 8px 14px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-secondary);
}

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ===== Services ===== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.service-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 24px; display: flex; flex-direction: column; gap: 12px;
  transition: box-shadow var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
}
.service-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
.service-icon-wrap {
  width: 44px; height: 44px; border-radius: 11px; flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
}
.service-icon-wrap .node-icon { width: 22px; height: 22px; }
.service-card h3 { font-size: 1.05rem; line-height: 1.35; }
.service-card p { color: var(--text-secondary); font-size: 0.92rem; }

/* ===== Project grid ===== */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.project-card {
  text-align: left; width: 100%; cursor: pointer; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 24px; display: flex; flex-direction: column; gap: 14px;
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
  font-family: inherit; color: inherit;
}
.project-preview {
  aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center; overflow: hidden;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2);
}
.project-preview img { display: block; width: 100%; height: 100%; object-fit: contain; transition: transform var(--duration-base) var(--ease-out); }
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.project-card:hover .project-preview img { transform: scale(1.02); }
.project-card:active { transform: translateY(-1px) scale(0.99); }
.card-flow { display: flex; gap: 8px; }
.node-icon { fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.card-flow .node-icon { width: 18px; height: 18px; padding: 6px; background: var(--surface-2); border-radius: 8px; color: var(--accent); }
.card-flow .brand-logo { width: 30px; height: 30px; padding: 6px; background: var(--surface-2); border-radius: 8px; box-sizing: border-box; }
.project-card h3 { font-size: 1.08rem; line-height: 1.35; }
.card-summary { color: var(--text-secondary); font-size: 0.92rem; flex: 1; }
.card-stack { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--text-tertiary); }
.card-proof {
  display: flex; gap: 8px; align-items: flex-start; margin: 2px 0 0;
  color: var(--text-secondary); font-size: 0.84rem; line-height: 1.45;
}
.card-proof strong { flex: 0 0 auto; color: var(--accent); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; }

/* ===== Scroll reveal ===== */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 560ms var(--ease-out), transform 560ms var(--ease-out); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .project-card, .btn, .icon-btn { transition: none; }
}

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); }
.req { color: #E5484D; }
.field input, .field textarea {
  font: inherit; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg); color: var(--text-primary); min-height: 44px; resize: vertical;
  transition: border-color var(--duration-fast) var(--ease-out);
}
.field input:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.form-status { font-size: 0.9rem; min-height: 1.2em; }
.form-status.ok { color: #1F9D55; }
.form-status.err { color: #E5484D; }

.contact-side { display: flex; flex-direction: column; gap: 20px; }
.calendly-inline-widget { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); background: var(--surface); }
.mobile-booking { display: none; }
.direct-contact { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 0.92rem; color: var(--text-secondary); }
.direct-contact a { transition: color var(--duration-fast) var(--ease-out); }
.direct-contact a:hover { color: var(--accent); }

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .header-inner { height: 68px; }
  .header-actions { gap: 8px; }
  .menu-toggle { display: inline-flex; }
  .nav-links {
    display: none; position: absolute; top: calc(100% + 10px); left: 20px; right: 20px;
    padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-md);
    background: var(--bg-elevated); box-shadow: var(--shadow-md); flex-direction: column; gap: 2px;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 12px; border-radius: var(--radius-sm); }
  .nav-links a:hover, .nav-links a:focus-visible { background: var(--surface-2); }
  .hero { padding-top: 72px; }
  .hero-avatar-row { align-items: flex-start; gap: 14px; margin-bottom: 22px; }
  .hero-avatar { width: 112px; height: 112px; font-size: 2rem; }
  .eyebrow { line-height: 1.4; padding: 6px 10px; }
  .hero-cta { margin-bottom: 40px; }
  .calendly-inline-widget { display: none; }
  .mobile-booking { display: inline-flex; width: 100%; }
}

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 0.85rem; color: var(--text-tertiary); }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  background: var(--scrim); padding: 24px;
  opacity: 0; transition: opacity var(--duration-base) var(--ease-out);
}
.modal-overlay.is-open { opacity: 1; }
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--bg-elevated); border-radius: var(--radius-lg); max-width: 640px; width: 100%;
  max-height: 88vh; overflow-y: auto; padding: 36px; position: relative; box-shadow: var(--shadow-lg);
  transform: translateY(12px) scale(0.98); transition: transform var(--duration-base) var(--ease-out);
}
.modal-overlay.is-open .modal { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute; top: 18px; right: 18px; width: 40px; height: 40px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.modal-close:hover { background: var(--surface-2); color: var(--text-primary); }

.modal-stack { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--accent); }
.modal h3 { font-size: 1.5rem; margin-top: 8px; margin-bottom: 24px; padding-right: 40px; }
.modal-preview { margin: 0 0 24px; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-2); }
.modal-preview img { display: block; width: 100%; max-height: 460px; object-fit: contain; }

.flow-diagram { display: flex; align-items: center; gap: 0; overflow-x: auto; padding: 6px 2px 14px; margin-bottom: 28px; }
.flow-node {
  display: flex; flex-direction: column; align-items: center; gap: 8px; flex: 0 0 auto; width: 84px; text-align: center;
}
.flow-node .node-icon-wrap {
  width: 46px; height: 46px; border-radius: 12px; background: var(--node-bg); border: 1px solid var(--node-border);
  display: flex; align-items: center; justify-content: center; color: var(--accent);
}
.flow-node .node-icon { width: 22px; height: 22px; }
.flow-node .brand-logo { width: 24px; height: 24px; }
.flow-node span.node-label { font-size: 0.7rem; color: var(--text-tertiary); font-weight: 500; line-height: 1.25; }
.flow-arrow { flex: 0 0 auto; width: 28px; height: 14px; color: var(--text-tertiary); }

.case-study h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-tertiary); margin-bottom: 6px; }
.case-study p { color: var(--text-secondary); font-size: 0.98rem; }
.case-study section { margin-bottom: 20px; }
.case-study section:last-child { margin-bottom: 0; }

/* ===== Custom cursor tracker (pointer:fine devices only) ===== */
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0; z-index: 200; pointer-events: none;
  border-radius: 50%; transform: translate(-50%, -50%);
  opacity: 0; transition: opacity var(--duration-fast) var(--ease-out);
}
.cursor-dot { width: 8px; height: 8px; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow), 0 0 14px 2px var(--accent-glow); }
.cursor-ring {
  width: 34px; height: 34px; border: 2px solid var(--accent);
  box-shadow: 0 0 16px 1px var(--accent-glow);
  transition: opacity var(--duration-fast) var(--ease-out), width var(--duration-fast) var(--ease-out), height var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.cursor-dot.is-active, .cursor-ring.is-active { opacity: 1; }
.cursor-ring.is-hovering { width: 50px; height: 50px; border-color: var(--accent-2); box-shadow: 0 0 20px 2px var(--accent-2-soft); }
body.has-custom-cursor, body.has-custom-cursor a, body.has-custom-cursor button {
  cursor: none;
}
@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}