/* ==========================================================================
   VIADES H — Stylesheet v4 — editorial / colorful
   --------------------------------------------------------------------------
   Direction: cream-paper base + bold accent constellation.
   Sections alternate between cream, peach wash, sage wash, dark navy.
   Cards each carry a distinct accent color (cyan, coral, violet, lime).
   The contact form is a bold gradient block — the brightest moment.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Neutrals */
  --cream: #faf6ed;          /* base */
  --cream-deep: #f0e9d8;
  --paper: #ffffff;          /* card surface */
  --ink: #15152a;
  --ink-soft: #4a4a5e;
  --ink-mute: #8a8a9a;
  --dark: #0a0a18;
  --dark-2: #11112a;

  /* Accent constellation — five strong colors */
  --cyan: #0891b2;
  --cyan-2: #22d3ee;
  --violet: #6d28d9;
  --violet-2: #a78bfa;
  --coral: #ff5b3d;
  --coral-2: #ffb09a;
  --lime: #a3c93a;
  --lime-2: #d6e890;
  --clay: #c66a4f;

  /* Section washes */
  --peach-wash: #ffe9d6;
  --sage-wash: #e2ecd1;
  --lavender-wash: #ece4f5;
  --mint-tint: #d9f0e6;

  /* Borders */
  --border: rgba(20, 20, 35, 0.09);
  --border-strong: rgba(20, 20, 35, 0.20);

  /* Active theme — defaults to cream */
  --bg: var(--cream);
  --bg-elevated: var(--paper);
  --text: var(--ink);
  --text-muted: var(--ink-soft);
  --text-dim: var(--ink-mute);
  --accent-grad: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 50%, var(--coral) 100%);
  --accent-grad-soft: linear-gradient(135deg, rgba(8, 145, 178, 0.12), rgba(255, 91, 61, 0.12));

  /* Fonts */
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Geist", "Inter", system-ui, sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;
  --font-serif: "Instrument Serif", Georgia, serif;

  /* Layout */
  --max-w: 1280px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);

  /* Easing */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Section background variants — apply via data-bg attribute or class */
.theme-dark {
  --bg: var(--dark);
  --bg-elevated: var(--dark-2);
  --text: #f4f4f7;
  --text-muted: #a3a3b8;
  --text-dim: #6a6a82;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.20);
  --cyan: var(--cyan-2);
  --violet: var(--violet-2);
  --accent-grad: linear-gradient(135deg, var(--cyan-2) 0%, var(--violet-2) 50%, var(--coral) 100%);
  --accent-grad-soft: linear-gradient(135deg, rgba(34, 211, 238, 0.16), rgba(255, 91, 61, 0.14));
}
[data-bg="peach"] { --bg: var(--peach-wash); --bg-elevated: var(--paper); }
[data-bg="sage"]  { --bg: var(--sage-wash);  --bg-elevated: var(--paper); }
[data-bg="lavender"] { --bg: var(--lavender-wash); --bg-elevated: var(--paper); }
[data-bg="cream-deep"] { --bg: var(--cream-deep); --bg-elevated: var(--paper); }

/* --------------------------------------------------------------------------
   Reset & base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.6s var(--ease-out);
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { max-width: 100%; display: block; }

::selection { background: var(--coral); color: var(--cream); }

/* Subtle paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.04 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  pointer-events: none;
  z-index: 100;
  mix-blend-mode: multiply;
}

/* Custom cursor */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--coral);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-spring), height 0.3s var(--ease-spring);
  display: none;
}
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 32px; height: 32px;
  border: 1px solid rgba(20, 20, 35, 0.35);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.4s var(--ease-spring), height 0.4s var(--ease-spring), border-color 0.3s;
  display: none;
}
.theme-dark .cursor-ring { border-color: rgba(255, 255, 255, 0.4); }

@media (hover: hover) and (pointer: fine) {
  .cursor-dot, .cursor-ring { display: block; }
  body { cursor: none; }
  a, button, input, textarea, select, label[for] { cursor: none; }
}
.cursor-ring.is-hovering {
  width: 56px; height: 56px;
  border-color: var(--coral);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  position: relative;
}

section {
  position: relative;
  padding: clamp(5rem, 11vw, 8rem) 0;
  background: var(--bg);
  color: var(--text);
  transition: background 0.6s var(--ease-out), color 0.6s var(--ease-out);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin: 0;
  font-variation-settings: "opsz" 96;
  color: var(--text);
}

h1 { font-size: clamp(2.6rem, 7vw, 5.6rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.6rem); }
h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 24;
}

.italic-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.gradient-text {
  background: var(--accent-grad);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 8s var(--ease-in-out) infinite;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.eyebrow, .section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.section-label::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 12px rgba(255, 91, 61, 0.45);
}

p { margin: 0; color: var(--text-muted); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: 999px;
  transition: all 0.4s var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--ink);
  color: var(--cream);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.06), 0 14px 30px -10px rgba(255, 91, 61, 0.45);
}
.theme-dark .btn-primary {
  background: var(--coral);
  color: var(--dark);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.1), 0 14px 30px -10px rgba(255, 91, 61, 0.6);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.1), 0 18px 40px -12px rgba(255, 91, 61, 0.6);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(127, 127, 127, 0.06); border-color: var(--text); }

.btn-arrow { display: inline-block; transition: transform 0.35s var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* --------------------------------------------------------------------------
   Header / Nav
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  background: rgba(10, 10, 24, 0.45);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease-out), border-color 0.3s, color 0.4s;
  color: #fff;
}
.site-header.is-light {
  background: rgba(250, 246, 237, 0.8);
  color: var(--ink);
}
.site-header.is-light .logo span { color: var(--ink); }
.site-header.is-light .nav-links a { color: rgba(20, 20, 35, 0.7); }
.site-header.is-light .nav-links a:hover,
.site-header.is-light .nav-links a.active { color: var(--ink); }
.site-header.is-light .btn-primary { background: var(--ink); color: var(--cream); }
.site-header.scrolled { border-bottom-color: var(--border); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  font-variation-settings: "opsz" 18;
  color: inherit;
}
.logo-mark { width: 32px; height: 32px; flex-shrink: 0; }

/* Logo image variants — switch based on header background */
.logo-img {
  height: 38px;
  width: auto;
  display: block;
  transition: opacity 0.3s;
}
.logo-img-dark { display: none; }
.site-header.is-light .logo-img-dark { display: block; }
.site-header.is-light .logo-img-light { display: none; }
/* When .logo contains the new <img>, hide any leftover text span */
.logo:has(.logo-img) span { display: none; }
.logo:has(.logo-img) { gap: 0; }

.nav-links {
  display: flex;
  gap: 2rem;
  font-size: 0.92rem;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }

@media (max-width: 760px) { .nav-links { display: none; } }

/* --------------------------------------------------------------------------
   Hero — dark anchor moment
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100svh;
  padding-top: clamp(6rem, 12vw, 9rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-glow, .hero-glow-2 {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  filter: blur(60px);
}
.hero-glow {
  top: -10%; right: -15%;
  width: 70vw; height: 70vw;
  max-width: 900px; max-height: 900px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.25), transparent 60%);
}
.hero-glow-2 {
  bottom: -20%; left: -10%;
  width: 60vw; height: 60vw;
  max-width: 700px; max-height: 700px;
  background: radial-gradient(circle, rgba(255, 91, 61, 0.2), transparent 60%);
}

.hero .container { z-index: 2; }
.hero-content { max-width: 880px; }
.hero h1 { margin-top: 1.5rem; margin-bottom: 1.8rem; }
.hero h1 .line { display: block; }

.hero-sub {
  max-width: 580px;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: rgba(244, 244, 247, 0.78);
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.5rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: rgba(244, 244, 247, 0.55);
  text-transform: uppercase;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 0.5rem; }
.hero-meta span::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--coral);
}
.hero-meta span:nth-child(2)::before { background: var(--lime); }
.hero-meta span:nth-child(3)::before { background: var(--cyan-2); }
.hero-meta span:nth-child(4)::before { background: var(--violet-2); }

/* Word stagger reveal */
.word-reveal {
  display: inline-block;
  opacity: 0;
  transform: translateY(40%) rotateX(-30deg);
  transform-origin: bottom;
  animation: word-in 0.9s var(--ease-out) forwards;
}
@keyframes word-in {
  to { opacity: 1; transform: translateY(0) rotateX(0); }
}

/* --------------------------------------------------------------------------
   Reveal on scroll
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-1 { transition-delay: 0.08s; }
.reveal-2 { transition-delay: 0.18s; }
.reveal-3 { transition-delay: 0.32s; }
.reveal-4 { transition-delay: 0.46s; }
.reveal-5 { transition-delay: 0.6s; }

/* --------------------------------------------------------------------------
   Section heading
   -------------------------------------------------------------------------- */
.section-head {
  max-width: 760px;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.section-head h2 { margin-top: 1.4rem; }
.section-intro {
  margin-top: 1.5rem;
  font-size: 1.08rem;
  max-width: 620px;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Marquee
   -------------------------------------------------------------------------- */
.marquee {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
  padding: 1.4rem 0;
  background: var(--ink);
  color: var(--cream);
}
.marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 40s linear infinite;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--cream);
  align-items: center;
}
.marquee-item { display: inline-flex; align-items: center; gap: 3rem; }
.marquee-item::after {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--coral);
}
.marquee-item:nth-child(3n)::after { background: var(--lime); }
.marquee-item:nth-child(3n+1)::after { background: var(--cyan-2); }

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

/* --------------------------------------------------------------------------
   Problems grid — colored accent borders, white cards
   -------------------------------------------------------------------------- */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}
.problem {
  background: var(--paper);
  padding: 2.2rem 1.8rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  border-top: 4px solid var(--coral);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
  position: relative;
}
.problem:nth-child(1) { border-top-color: var(--coral); }
.problem:nth-child(2) { border-top-color: var(--cyan); }
.problem:nth-child(3) { border-top-color: var(--violet); }
.problem:nth-child(4) { border-top-color: var(--lime); }
.problem:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 40px -20px rgba(20, 20, 35, 0.18);
}
.problem-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.problem:nth-child(1) .problem-num { color: var(--coral); }
.problem:nth-child(2) .problem-num { color: var(--cyan); }
.problem:nth-child(3) .problem-num { color: var(--violet); }
.problem:nth-child(4) .problem-num { color: #6b8c1c; }
.problem h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.problem p { font-size: 0.94rem; line-height: 1.55; }

/* --------------------------------------------------------------------------
   Services — each card carries its own accent color
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  perspective: 1400px;
}

.service-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2.2rem 1.8rem;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), border-color 0.4s, box-shadow 0.4s;
  isolation: isolate;
  transform-style: preserve-3d;
  will-change: transform;
  --card-accent: var(--cyan);
  --card-accent-soft: rgba(8, 145, 178, 0.12);
}
.service-card:nth-child(1) { --card-accent: var(--cyan);   --card-accent-soft: rgba(8, 145, 178, 0.14); }
.service-card:nth-child(2) { --card-accent: var(--coral);  --card-accent-soft: rgba(255, 91, 61, 0.14); }
.service-card:nth-child(3) { --card-accent: var(--violet); --card-accent-soft: rgba(109, 40, 217, 0.14); }
.service-card:nth-child(4) { --card-accent: #6b8c1c;       --card-accent-soft: rgba(163, 201, 58, 0.18); }

/* Top accent stripe */
.service-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent);
  opacity: 0;
  transition: opacity 0.4s;
}
.service-card:hover::after { opacity: 1; }

.service-card:hover {
  border-color: var(--card-accent);
  box-shadow: 0 30px 60px -30px var(--card-accent-soft), 0 30px 60px -30px rgba(20, 20, 35, 0.12);
  transform: translateY(-4px);
}

.service-card > * { transform: translateZ(40px); }

.service-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--card-accent-soft);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
  color: var(--card-accent);
  transition: background 0.4s, transform 0.4s var(--ease-spring);
}
.service-card:hover .service-icon {
  background: var(--card-accent);
  color: var(--paper);
  transform: rotate(-6deg) scale(1.05);
}

.service-card h3 { margin-bottom: 0.7rem; }
.service-card p { font-size: 0.96rem; line-height: 1.6; }

.service-tags {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.32rem 0.65rem;
  border-radius: 999px;
  background: var(--card-accent-soft, rgba(127,127,127,0.06));
  color: var(--card-accent, var(--text-muted));
  letter-spacing: 0.02em;
  font-weight: 500;
}

/* Generic tags outside service cards */
.case-stack .tag {
  background: rgba(20, 20, 35, 0.05);
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   Process — colored step numbers, animated rail
   -------------------------------------------------------------------------- */
.process-rail {
  position: relative;
}
.process-rail::before {
  content: "";
  position: absolute;
  left: 50px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--border);
  border-radius: 2px;
}
.process-rail::after {
  content: "";
  position: absolute;
  left: 50px;
  top: 0;
  width: 2px;
  height: var(--rail-progress, 0%);
  background: linear-gradient(180deg, var(--cyan) 0%, var(--violet) 33%, var(--coral) 66%, var(--lime) 100%);
  border-radius: 2px;
  transition: height 0.6s var(--ease-out);
  box-shadow: 0 0 14px rgba(255, 91, 61, 0.3);
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  position: relative;
  display: grid;
  grid-template-columns: 100px minmax(220px, 1fr) 2fr;
  gap: 2rem;
  padding: 2.4rem 0;
  align-items: baseline;
  border-bottom: 1px solid var(--border);
  --step-color: var(--cyan);
}
.step:nth-child(1) { --step-color: var(--cyan); }
.step:nth-child(2) { --step-color: var(--violet); }
.step:nth-child(3) { --step-color: var(--coral); }
.step:nth-child(4) { --step-color: #6b8c1c; }
.step:last-child { border-bottom: none; }

.step-num {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--step-color);
  letter-spacing: 0.1em;
  padding-left: 28px;
  font-weight: 600;
}
.step-num::before {
  content: "";
  position: absolute;
  left: 0; top: 0.3em;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border-strong);
  transition: border-color 0.4s, background 0.4s, box-shadow 0.4s;
}
.step.active .step-num::before {
  background: var(--step-color);
  border-color: var(--step-color);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--step-color) 18%, transparent);
}

.step-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 32;
}
.step-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

.step-desc { font-size: 1rem; line-height: 1.55; }

@media (max-width: 720px) {
  .process-rail::before, .process-rail::after { left: 8px; }
  .step {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    padding: 1.8rem 0 1.8rem 32px;
  }
  .step-num { padding-left: 0; }
  .step-num::before { left: -32px; }
}

/* --------------------------------------------------------------------------
   Case studies
   -------------------------------------------------------------------------- */
.cases-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 5vw, 4rem);
}
.case {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  perspective: 1600px;
  --case-accent: var(--cyan);
}
.case:nth-child(1) { --case-accent: var(--cyan); }
.case:nth-child(2) { --case-accent: var(--violet); }
.case:nth-child(3) { --case-accent: var(--coral); }
.case:nth-child(4) { --case-accent: #6b8c1c; }

.case.case-flip { grid-template-columns: 1.1fr 1fr; }
.case.case-flip .case-text { order: 2; }
.case.case-flip .case-visual { order: 1; }

@media (max-width: 880px) {
  .case, .case.case-flip { grid-template-columns: 1fr; }
  .case.case-flip .case-text, .case.case-flip .case-visual { order: initial; }
}

.case-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--case-accent);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}
.case-tag::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--case-accent);
}

.case-text h3 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  font-variation-settings: "opsz" 32;
}
.case-text h3 em { font-family: var(--font-serif); font-style: italic; color: var(--case-accent); }
.case-text > p {
  font-size: 1.02rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.case-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.8rem;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem 1.5rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--case-accent);
}
.case-result-num {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--case-accent);
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 32;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.case-result-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Mockups (desktop browser)
   -------------------------------------------------------------------------- */
.mockup {
  position: relative;
  border-radius: 16px;
  background: linear-gradient(180deg, #16162a 0%, #0a0a18 100%);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow:
    0 50px 100px -30px rgba(20, 20, 35, 0.4),
    0 30px 60px -20px color-mix(in srgb, var(--case-accent) 25%, transparent),
    inset 0 1px 0 rgba(255,255,255,0.05);
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.6s var(--ease-out);
}

.mockup-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.025);
}
.mockup-dot { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,0.18); }
.mockup-dot.r { background: #ff5f57; }
.mockup-dot.y { background: #febc2e; }
.mockup-dot.g { background: #28c840; }

.mockup-url {
  margin-left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.04);
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  flex: 1;
  max-width: 280px;
}

.mockup-body {
  padding: 1.5rem;
  min-height: 320px;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.2rem;
  color: #d4d4e0;
}

.mockup-side {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.mockup-side-item {
  height: 28px;
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  padding: 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(255,255,255,0.35);
}
.mockup-side-item.active {
  background: color-mix(in srgb, var(--case-accent) 18%, transparent);
  color: color-mix(in srgb, var(--case-accent) 70%, white);
  border: 1px solid color-mix(in srgb, var(--case-accent) 35%, transparent);
}

.mockup-main { display: flex; flex-direction: column; gap: 1rem; }
.mockup-row { display: flex; gap: 0.6rem; }
.mockup-bar {
  height: 14px;
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
}
.mockup-bar.long { flex: 1; }
.mockup-bar.med { width: 60%; }
.mockup-bar.short { width: 30%; }
.mockup-bar.glow {
  background: linear-gradient(90deg, var(--case-accent), color-mix(in srgb, var(--case-accent) 40%, white));
  box-shadow: 0 0 16px color-mix(in srgb, var(--case-accent) 35%, transparent);
}

.mockup-card {
  padding: 1rem;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
}
.mockup-card-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}
.mockup-stat {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--case-accent);
  font-variation-settings: "opsz" 24;
}

.mockup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

/* --------------------------------------------------------------------------
   Phone mockup
   -------------------------------------------------------------------------- */
.mockup-phone {
  width: 280px;
  height: 560px;
  margin: 0 auto;
  border-radius: 42px;
  padding: 10px;
  background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1f 100%);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow:
    0 50px 100px -30px rgba(20, 20, 35, 0.4),
    0 30px 60px -20px color-mix(in srgb, var(--case-accent) 25%, transparent),
    inset 0 1px 0 rgba(255,255,255,0.06);
  transform-style: preserve-3d;
  position: relative;
  overflow: hidden;
}
.mockup-phone::before {
  content: "";
  position: absolute;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  width: 90px; height: 24px;
  background: #000;
  border-radius: 14px;
  z-index: 3;
}
.mockup-phone::after {
  content: "";
  position: absolute;
  top: 120px; right: -1px;
  width: 3px; height: 50px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px 0 0 2px;
}

.mockup-phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: linear-gradient(180deg, #11112a 0%, #060611 100%);
  padding: 56px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.phone-status {
  position: absolute;
  top: 22px; left: 18px; right: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  z-index: 4;
  pointer-events: none;
}
.phone-status .icons {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.phone-status .signal {
  display: inline-block;
  width: 16px; height: 9px;
  background: linear-gradient(to right, currentColor 0%, currentColor 75%, transparent 75%);
  -webkit-mask: linear-gradient(to right, transparent, transparent 0px, #000 1px, #000 3px, transparent 3px, transparent 4px, #000 5px, #000 7px, transparent 7px, transparent 8px, #000 9px, #000 11px, transparent 11px, transparent 12px, #000 13px, #000 15px);
}
.phone-status .battery {
  display: inline-block;
  width: 22px; height: 10px;
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 3px;
  position: relative;
  padding: 1px;
}
.phone-status .battery::after {
  content: "";
  display: block;
  width: 70%; height: 100%;
  background: rgba(255,255,255,0.85);
  border-radius: 1px;
}

.phone-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow: hidden;
  min-height: 0;
}

.phone-header {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
  padding: 0.2rem 0 0.3rem;
  flex-shrink: 0;
}

.phone-card {
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.phone-card-time {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
}
.phone-card-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: #fff;
  font-weight: 500;
  line-height: 1.2;
}
.phone-card-sub {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.55);
  margin-top: 0.15rem;
  line-height: 1.3;
}
.phone-card.active {
  background: color-mix(in srgb, var(--case-accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--case-accent) 30%, transparent);
}
.phone-card.active .phone-card-time { color: color-mix(in srgb, var(--case-accent) 60%, white); }
.phone-card.alert {
  background: rgba(255, 91, 61, 0.12);
  border-color: rgba(255, 91, 61, 0.32);
}
.phone-card.alert .phone-card-time { color: var(--coral-2); }

.phone-chat {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
  overflow: hidden;
  padding-top: 0.2rem;
}
.bubble {
  padding: 0.5rem 0.75rem;
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  line-height: 1.35;
  max-width: 85%;
  word-wrap: break-word;
  flex-shrink: 0;
}
.bubble.user {
  background: linear-gradient(135deg, color-mix(in srgb, var(--case-accent) 22%, transparent), color-mix(in srgb, var(--case-accent) 10%, transparent));
  color: color-mix(in srgb, var(--case-accent) 30%, white);
  border: 1px solid color-mix(in srgb, var(--case-accent) 30%, transparent);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.bubble.bot {
  background: rgba(255,255,255,0.05);
  color: #e4e4ed;
  border: 1px solid rgba(255,255,255,0.07);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

/* --------------------------------------------------------------------------
   Benefits — each card a different soft tint
   -------------------------------------------------------------------------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.benefit {
  padding: 2.4rem 2rem 2.2rem;
  border: 1px solid var(--border);
  border-radius: 22px;
  position: relative;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
  --b-bg: var(--peach-wash);
  --b-color: var(--coral);
}
.benefit:nth-child(1) { --b-bg: #ffe7d6; --b-color: var(--coral); }
.benefit:nth-child(2) { --b-bg: var(--mint-tint); --b-color: #0d7a6d; }
.benefit:nth-child(3) { --b-bg: var(--lavender-wash); --b-color: var(--violet); }
.benefit:nth-child(4) { --b-bg: #fff2c2; --b-color: #b87f00; }
.benefit { background: var(--b-bg); }
.benefit:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 50px -25px rgba(20, 20, 35, 0.18);
}
.benefit-icon {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--b-color);
  margin-bottom: 1.4rem;
  letter-spacing: 0.1em;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.benefit-icon::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--b-color);
}
.benefit h3 { font-size: 1.25rem; margin-bottom: 0.6rem; color: var(--ink); }
.benefit p { font-size: 0.95rem; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   Form — BOLD gradient block, white inputs
   -------------------------------------------------------------------------- */
.form-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 880px) { .form-wrap { grid-template-columns: 1fr; } }

.contact-form {
  display: grid;
  gap: 1.2rem;
  padding: clamp(2rem, 4vw, 3rem);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(255, 91, 61, 0.95) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(8, 145, 178, 0.9) 0%, transparent 55%),
    linear-gradient(135deg, #6d28d9 0%, #5b21b6 100%);
  color: #fff;
  border-radius: 28px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(109, 40, 217, 0.55), 0 20px 40px -20px rgba(255, 91, 61, 0.35);
}
.contact-form::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  opacity: 0.5;
}
.contact-form > * { position: relative; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }

.field { position: relative; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  box-shadow: 0 4px 12px -4px rgba(0, 0, 0, 0.15);
}
.field textarea { resize: vertical; min-height: 120px; line-height: 1.5; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 91, 61, 0.25), 0 4px 12px -4px rgba(0, 0, 0, 0.15);
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' fill='none' stroke='%2315152a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-submit {
  background: var(--ink);
  color: var(--cream);
  padding: 1rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.96rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
  box-shadow: 0 14px 30px -10px rgba(0, 0, 0, 0.4);
  margin-top: 0.4rem;
  justify-self: start;
}
.form-submit:hover {
  background: var(--coral);
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 18px 40px -12px rgba(255, 91, 61, 0.6);
}
.form-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.form-footnote {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.04em;
}

.form-success {
  text-align: center;
  padding: 2.5rem;
  border-radius: 22px;
  background: var(--lime-2);
  border: 1px solid var(--lime);
  color: #4a5e10;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
}

/* Contact section — left side panel */
.contact-side {
  padding-top: 1rem;
}
.contact-side p {
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1.5;
  margin-bottom: 2rem;
}
.contact-side strong { color: var(--text); font-weight: 600; }
.contact-bullets {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  line-height: 1.9;
  display: grid;
  gap: 0.4rem;
}
.contact-bullets a {
  color: var(--text);
  border-bottom: 2px solid var(--coral);
  padding-bottom: 1px;
  transition: color 0.3s;
}
.contact-bullets a:hover { color: var(--coral); }

/* --------------------------------------------------------------------------
   CTA card
   -------------------------------------------------------------------------- */
.cta-card {
  position: relative;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 91, 61, 0.18), transparent 60%),
    radial-gradient(ellipse at 100% 100%, rgba(109, 40, 217, 0.15), transparent 60%),
    var(--paper);
  border: 1px solid var(--border-strong);
  border-radius: 32px;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 5vw, 4rem);
  text-align: center;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20, 20, 35, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 20, 35, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  pointer-events: none;
}
.cta-card > * { position: relative; z-index: 1; }
.cta-card h2 { max-width: 720px; margin: 0 auto 1.4rem; }
.cta-card > p {
  max-width: 540px;
  margin: 0 auto 2.2rem;
  font-size: 1.08rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
  border-top: 4px solid var(--coral);
  padding: 3.5rem 0 2.5rem;
  font-size: 0.88rem;
  background: var(--dark);
  color: rgba(244, 244, 247, 0.7);
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-end;
}
.footer-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.6rem;
  color: rgba(244, 244, 247, 0.45);
}
footer .logo, footer .logo span { color: #f4f4f7; }
footer a { transition: color 0.3s; }
footer a:hover { color: var(--coral); }

/* --------------------------------------------------------------------------
   About page specific
   -------------------------------------------------------------------------- */
.about-hero {
  padding: clamp(8rem, 14vw, 12rem) 0 clamp(4rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
}
/* Decorative spots on about hero */
.about-hero::before {
  content: "";
  position: absolute;
  top: 15%; right: -8%;
  width: 50vw; height: 50vw;
  max-width: 600px; max-height: 600px;
  background: radial-gradient(circle, rgba(255, 91, 61, 0.15), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}
.about-hero::after {
  content: "";
  position: absolute;
  bottom: -10%; left: -5%;
  width: 40vw; height: 40vw;
  max-width: 500px; max-height: 500px;
  background: radial-gradient(circle, rgba(163, 201, 58, 0.12), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}
.about-hero > .container { position: relative; z-index: 2; }

.about-hero h1 {
  max-width: 14ch;
  font-size: clamp(2.6rem, 7vw, 5rem);
  margin-bottom: 2rem;
}
.about-lede {
  max-width: 640px;
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  line-height: 1.55;
  color: var(--text);
}

.about-prose {
  max-width: 720px;
  margin: 0 auto;
}
.about-prose p {
  font-size: 1.08rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}
.about-prose p strong {
  color: var(--text);
  font-weight: 600;
}

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.principle {
  padding: 1.6rem 1.6rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 18px;
  border-left: 4px solid var(--coral);
  --p-color: var(--coral);
  transition: transform 0.4s var(--ease-out);
}
.principle:nth-child(1) { border-left-color: var(--coral);  --p-color: var(--coral); }
.principle:nth-child(2) { border-left-color: var(--cyan);   --p-color: var(--cyan); }
.principle:nth-child(3) { border-left-color: var(--violet); --p-color: var(--violet); }
.principle:nth-child(4) { border-left-color: #6b8c1c;       --p-color: #6b8c1c; }
.principle:nth-child(5) { border-left-color: var(--clay);   --p-color: var(--clay); }
.principle:hover { transform: translateY(-3px); }
.principle-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--p-color);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  font-weight: 600;
}
.principle h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.principle p { font-size: 0.94rem; line-height: 1.55; }

/* --------------------------------------------------------------------------
   Mobile-friendly tweaks
   -------------------------------------------------------------------------- */
@media (max-width: 540px) {
  .mockup-body {
    grid-template-columns: 1fr;
    padding: 1rem;
    min-height: auto;
  }
  .mockup-side {
    flex-direction: row;
    overflow-x: auto;
    gap: 0.4rem;
  }
  .mockup-side-item { flex-shrink: 0; }
  .mockup-url { display: none; }
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .marquee-track { animation: none; }
}