/* =========================================================
   DESMOS NETWORKS — Design System
   Palette: calm slate-navy, soft ivory, muted teal accents
   Typography: Plus Jakarta Sans + DM Sans
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=DM+Sans:wght@300;400;500&family=DM+Mono:wght@400;500&display=swap');

/* ── Tokens ─────────────────────────────────────────── */
:root {
  --bg-base: #F8F5EF;
  --bg-surface: #EFEBE0;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FAF7F2;

  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(28, 84, 178, 0.18);

  --text-primary: #1A2233;
  --text-secondary: #4A5568;
  --text-muted: #718096;

  --accent-blue: #1C54B2;
  --accent-teal: #0D9488;
  --accent-indigo: #4338CA;
  --accent-soft: rgba(28, 84, 178, 0.07);

  --gradient-hero: linear-gradient(135deg, #FAF7F2 0%, #F1ECE2 55%, #E9E3D5 100%);
  --gradient-card: linear-gradient(135deg, #FFFFFF 0%, #FAF7F2 100%);
  --gradient-line: linear-gradient(180deg, #1C54B2, #0D9488);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
  --shadow-glow: 0 15px 40px rgba(28, 84, 178, 0.08);

  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-head: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

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

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

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

ul,
ol {
  list-style: none;
}

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 99px;
}

/* ── Layout ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
  scroll-margin-top: 80px;
}

/* ── Typography ──────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  font-size: 1.0125rem;
  line-height: 1.75;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 18px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1.5px;
  background: var(--accent-teal);
}

.section-head {
  margin-bottom: 60px;
}

.section-head h2 {
  margin-bottom: 16px;
}

.section-head p {
  max-width: 580px;
}

/* ── Navbar ──────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0;
}

#navbar.scrolled {
  background: rgba(248, 245, 239, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

/* ─── Logo Animation: Split & Morph ─── */
.logo-ani {
  position: relative;
  width: 280px; /* Wide enough for wordmark plus split distance */
  height: 76px; /* Matches navbar */
}

/* Base styles for parts (The Logo Design) */
.la-part {
  position: absolute;
  top: 50%;
  left: 50%;
  height: 84px; /* Big! Overflows navbar slightly for max impact */
  width: auto;
  object-fit: contain;
  will-change: transform, opacity, filter;
}

/* The D (Black part) */
.la-d {
  animation: split-d 10s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

/* The N (Green part) */
.la-n {
  animation: split-n 10s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

/* The Wordmark (DESMOS NETWORKS) */
.la-wordmark {
  position: absolute;
  top: 50%;
  left: 50%;
  height: 52px; /* Normal size */
  width: auto;
  max-width: 250px;
  object-fit: contain;
  will-change: transform, opacity, filter;
  animation: wordmark-fade 10s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

/* ────────────────────────────────────────────────────────────
   TIMING:
   0 - 25%: Icon resting
   25 - 35%: Split & Morph to Text
   35 - 75%: Text resting
   75 - 85%: Morph to Split, then collapse
   ──────────────────────────────────────────────────────────── */

@keyframes split-d {
  /* Resting merged */
  0%   { transform: translate(-50%, -50%) translateX(0px) scale(1); opacity: 1; filter: blur(0px); }
  25%  { transform: translate(-50%, -50%) translateX(0px) scale(1); opacity: 1; filter: blur(0px); }
  
  /* Split left and fade out as text fades in */
  30%  { transform: translate(-50%, -50%) translateX(-70px) scale(1.1); opacity: 1; filter: blur(2px); }
  35%  { transform: translate(-50%, -50%) translateX(-90px) scale(1.2); opacity: 0; filter: blur(8px); }
  
  /* Hidden */
  75%  { transform: translate(-50%, -50%) translateX(-90px) scale(1.2); opacity: 0; filter: blur(8px); }
  
  /* Reappear separated */
  80%  { transform: translate(-50%, -50%) translateX(-70px) scale(1.1); opacity: 1; filter: blur(2px); }
  85%  { transform: translate(-50%, -50%) translateX(0px) scale(1); opacity: 1; filter: blur(0px); }
  100% { transform: translate(-50%, -50%) translateX(0px) scale(1); opacity: 1; filter: blur(0px); }
}

@keyframes split-n {
  /* Resting merged */
  0%   { transform: translate(-50%, -50%) translateX(0px) scale(1); opacity: 1; filter: blur(0px); }
  25%  { transform: translate(-50%, -50%) translateX(0px) scale(1); opacity: 1; filter: blur(0px); }
  
  /* Split right and fade out as text fades in */
  30%  { transform: translate(-50%, -50%) translateX(70px) scale(1.1); opacity: 1; filter: blur(2px); }
  35%  { transform: translate(-50%, -50%) translateX(90px) scale(1.2); opacity: 0; filter: blur(8px); }
  
  /* Hidden */
  75%  { transform: translate(-50%, -50%) translateX(90px) scale(1.2); opacity: 0; filter: blur(8px); }
  
  /* Reappear separated */
  80%  { transform: translate(-50%, -50%) translateX(70px) scale(1.1); opacity: 1; filter: blur(2px); }
  85%  { transform: translate(-50%, -50%) translateX(0px) scale(1); opacity: 1; filter: blur(0px); }
  100% { transform: translate(-50%, -50%) translateX(0px) scale(1); opacity: 1; filter: blur(0px); }
}

@keyframes wordmark-fade {
  /* Hidden */
  0%   { transform: translate(-50%, -50%) scale(0.9); opacity: 0; filter: blur(8px); }
  25%  { transform: translate(-50%, -50%) scale(0.9); opacity: 0; filter: blur(8px); }
  
  /* Fade in as D and N separate */
  30%  { transform: translate(-50%, -50%) scale(0.95); opacity: 0.5; filter: blur(4px); }
  35%  { transform: translate(-50%, -50%) scale(1); opacity: 1; filter: blur(0px); }
  
  /* Resting text */
  75%  { transform: translate(-50%, -50%) scale(1); opacity: 1; filter: blur(0px); }
  
  /* Fade out */
  80%  { transform: translate(-50%, -50%) scale(0.95); opacity: 0.5; filter: blur(4px); }
  85%  { transform: translate(-50%, -50%) scale(0.9); opacity: 0; filter: blur(8px); }
  100% { transform: translate(-50%, -50%) scale(0.9); opacity: 0; filter: blur(8px); }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  position: relative;
  transition: color 0.25s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent-blue);
  transition: width 0.25s;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 22px;
  border-radius: 99px;
  border: 1px solid var(--border-accent);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  transition: var(--transition);
  font-family: var(--font-body);
}

.nav-cta:hover {
  background: var(--accent-soft);
  border-color: var(--accent-blue);
  color: #fff;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 28px;
  border-radius: 99px;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #4F86F7, #2EC4B6);
  color: #fff;
  border: none;
  box-shadow: 0 4px 24px rgba(79, 134, 247, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(79, 134, 247, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-accent);
}

.btn-teal {
  background: rgba(46, 196, 182, 0.12);
  color: var(--accent-teal);
  border: 1px solid rgba(46, 196, 182, 0.25);
}

.btn-teal:hover {
  background: rgba(46, 196, 182, 0.2);
  transform: translateY(-2px);
}

/* ── Hero ────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
  padding-top: 80px;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(79, 134, 247, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 134, 247, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 40%, transparent 100%);
}

.hero-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(79, 134, 247, 0.1) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 99px;
  border: 1px solid var(--border-accent);
  background: rgba(79, 134, 247, 0.08);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent-blue);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero-content h1 {
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-content h1 span {
  background: linear-gradient(135deg, #4F86F7 30%, #2EC4B6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.15rem;
  max-width: 600px;
  margin-bottom: 40px;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 72px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.hero-stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.01em;
}

/* ── About ───────────────────────────────────────────── */
#about {
  background: var(--bg-surface);
}

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

.about-text p {
  margin-bottom: 20px;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
}

.value-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition);
}

.value-chip:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.value-chip .icon {
  font-size: 1.1rem;
}

.about-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-card-stack {
  position: relative;
  width: 100%;
  max-width: 380px;
}

.about-main-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.about-main-card .card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  /* Pull header to card edges to form a full-width tab bar */
  margin: -32px -32px 24px -32px;
  padding: 11px 16px;
  background: #1e2130;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.about-main-card .card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.about-main-card .card-dot.green {
  background: #2EC4B6;
}

.about-main-card .card-dot.amber {
  background: #F4A261;
}

.about-main-card .card-dot.red {
  background: #E76F51;
}

.terminal-line {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
  color: var(--text-primary);
}

.terminal-line .t-key {
  color: #c92a2a; /* Deep Red for JSON keys */
}

.terminal-line .t-val {
  color: #0b7285; /* Deep Cyan/Teal for values */
}

.terminal-line .t-str {
  color: #1864ab; /* Deep Blue for strings */
}

.terminal-line .t-num {
  color: #d9480f; /* Deep Orange for numbers */
}

.terminal-line .t-sym {
  color: #495057; /* Dark Gray for punctuation/braces */
}

/* ── Timeline ────────────────────────────────────────── */
#timeline {
  background: var(--bg-base);
}

.timeline-wrapper {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
}

.timeline-spine {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, #2345A8 10%, #2EC4B6 90%, transparent);
  transform: translateX(-50%);
}

.timeline-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tl-item {
  display: grid;
  grid-template-columns: 1fr 56px 1fr;
  align-items: start;
  gap: 0;
  padding: 32px 0;
}

.tl-item:nth-child(odd) .tl-content {
  grid-column: 1;
  text-align: right;
  padding-right: 36px;
}

.tl-item:nth-child(odd) .tl-spacer {
  grid-column: 3;
}

.tl-item:nth-child(even) .tl-content {
  grid-column: 3;
  text-align: left;
  padding-left: 36px;
}

.tl-item:nth-child(even) .tl-spacer {
  grid-column: 1;
}

.tl-node {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  z-index: 2;
  padding-top: 4px;
}

.tl-dot {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--accent-blue);
  letter-spacing: 0.02em;
  box-shadow: 0 0 20px rgba(79, 134, 247, 0.2);
  transition: var(--transition);
  flex-shrink: 0;
}

.tl-item:hover .tl-dot {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 0 30px rgba(79, 134, 247, 0.4);
}

.tl-content-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.tl-content-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.tl-year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent-teal);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.tl-content-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.tl-content-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── Services ────────────────────────────────────────── */
#services {
  background: var(--bg-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.service-card p {
  font-size: 0.88rem;
  line-height: 1.7;
}

.service-tag {
  display: inline-block;
  margin-top: 20px;
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(79, 134, 247, 0.1);
  border: 1px solid rgba(79, 134, 247, 0.18);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-indigo);
  letter-spacing: 0.06em;
}

/* ── Product Spotlight ───────────────────────────────── */
#products {
  background: var(--bg-base);
}

.product-spotlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 60px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.product-spotlight::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(46, 196, 182, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 99px;
  background: rgba(46, 196, 182, 0.1);
  border: 1px solid rgba(46, 196, 182, 0.25);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-teal);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.product-badge .pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-teal);
  animation: pulse-dot 1.8s ease infinite;
}

.product-info h2 {
  margin-bottom: 16px;
}

.product-info p {
  margin-bottom: 32px;
}

.product-info h2 span {
  background: linear-gradient(135deg, #2EC4B6, #4F86F7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}

.product-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.product-feature .check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(46, 196, 182, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  font-size: 0.7rem;
  flex-shrink: 0;
}

.product-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-demo {
  width: 100%;
  max-width: 340px;
  background: linear-gradient(135deg, #0F1E2E, #0A1624);
  border: 1px solid rgba(46, 196, 182, 0.2);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(46, 196, 182, 0.06);
}

.demo-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.demo-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2EC4B6, #4F86F7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.demo-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.demo-sub {
  font-size: 0.72rem;
  color: var(--accent-teal);
}

.demo-msg {
  background: rgba(79, 134, 247, 0.08);
  border: 1px solid rgba(79, 134, 247, 0.12);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.demo-msg.user {
  background: rgba(46, 196, 182, 0.08);
  border-color: rgba(46, 196, 182, 0.12);
  text-align: right;
}

.demo-typing {
  display: flex;
  gap: 4px;
  padding: 10px 14px;
  width: fit-content;
}

.demo-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal);
  animation: typing 1.2s ease infinite;
}

.demo-typing span:nth-child(2) {
  animation-delay: 0.2s;
}

.demo-typing span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {

  0%,
  100% {
    opacity: 0.3;
    transform: translateY(0);
  }

  50% {
    opacity: 1;
    transform: translateY(-4px);
  }
}

/* ── Tech Stack ──────────────────────────────────────── */
#tech {
  background: var(--bg-surface);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.tech-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  transition: var(--transition);
}

.tech-category:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.tech-cat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--accent-blue);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  padding: 5px 12px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  transition: var(--transition);
}

.tech-tag:hover {
  background: var(--accent-soft);
  border-color: var(--border-accent);
  color: var(--text-primary);
}

/* ── Contact ─────────────────────────────────────────── */
#contact {
  background: var(--bg-base);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info p {
  margin-bottom: 36px;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  width: 100%;
}

.contact-btn:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.contact-btn .cb-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-btn .cb-icon.email-icon {
  background: rgba(79, 134, 247, 0.12);
}

.contact-btn .cb-icon.phone-icon {
  background: rgba(46, 196, 182, 0.12);
}

.contact-btn .cb-text-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-btn .cb-text-val {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-btn .cb-arrow {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: border-color 0.25s;
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-blue);
}

.form-group select option {
  background: var(--bg-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  padding: 14px;
  border-radius: 99px;
  background: linear-gradient(135deg, #4F86F7, #2EC4B6);
  color: #fff;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(79, 134, 247, 0.3);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(79, 134, 247, 0.4);
}

/* ── Footer ──────────────────────────────────────────── */
footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 36px;
}

.footer-logo {
  display: flex;
  align-items: center;
}

.footer-logo img.logo-text {
  height: 36px;
  width: auto;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.25s;
}

.footer-links a:hover {
  color: var(--text-secondary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-made {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Scroll Animations ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

.reveal-delay-5 {
  transition-delay: 0.5s;
}

/* ── Mobile Navigation Menu ──────────────────────────── */
.nav-mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(248, 245, 239, 0.98);
  backdrop-filter: blur(20px);
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  padding: 24px;
  border-bottom: 1px solid var(--border);
  z-index: 999;
  gap: 4px;
}

.nav-mobile-menu.open {
  display: flex;
}

.nav-mobile-menu a {
  padding: 12px 16px;
  font-size: 1rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-mobile-menu a:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* ── Responsive ──────────────────────────────────────── */

/* ── Tablet (≤ 1024px) ──────────────────────────────── */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  section {
    padding: 80px 0;
  }

  .section-head {
    margin-bottom: 44px;
  }

  /* Navbar */
  .nav-inner {
    height: 64px;
  }

  /* Logo */
  .logo-ani {
    width: 220px;
    height: 64px;
  }

  .la-part {
    height: 68px;
  }

  .la-wordmark {
    height: 42px;
    max-width: 200px;
  }

  /* Grids */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-category[style*="grid-column: span 2"] {
    grid-column: span 2;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual {
    display: none;
  }

  .product-spotlight {
    grid-template-columns: 1fr;
    padding: 40px 32px;
    gap: 40px;
  }

  .product-visual {
    order: -1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* ── Mobile (≤ 768px) ───────────────────────────────── */
@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

  .container {
    padding: 0 16px;
  }

  .section-head {
    margin-bottom: 36px;
  }

  .section-head p {
    max-width: 100%;
  }

  /* ── Navbar ── */
  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-inner {
    height: 60px;
  }

  .nav-mobile-menu {
    top: 60px;
  }

  /* ── Logo ── */
  .logo-ani {
    width: 180px;
    height: 60px;
  }

  .la-part {
    height: 56px;
  }

  .la-wordmark {
    height: 36px;
    max-width: 160px;
  }

  /* ── Hero ── */
  #hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 60px;
  }

  .hero-badge {
    font-size: 0.72rem;
    padding: 5px 12px;
    margin-bottom: 20px;
  }

  .hero-content h1 {
    margin-bottom: 18px;
  }

  .hero-content p {
    font-size: 1rem;
    margin-bottom: 28px;
    max-width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .hero-actions .btn {
    justify-content: center;
    width: 100%;
    padding: 14px 24px;
  }

  .hero-stats {
    gap: 24px;
    margin-top: 48px;
    padding-top: 32px;
    justify-content: space-between;
  }

  .hero-stat-num {
    font-size: 1.6rem;
  }

  .hero-stat-label {
    font-size: 0.75rem;
  }

  .hero-glow {
    width: 400px;
    height: 250px;
  }

  /* ── About ── */
  .about-grid {
    gap: 36px;
  }

  .about-values {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 28px;
  }

  .value-chip {
    padding: 11px 14px;
    font-size: 0.82rem;
    gap: 8px;
  }

  .value-chip .icon {
    font-size: 1rem;
  }

  /* ── Services ── */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .service-card {
    padding: 24px 22px;
  }

  .service-icon {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
    margin-bottom: 16px;
  }

  .service-card h3 {
    font-size: 1.02rem;
  }

  .service-card p {
    font-size: 0.85rem;
  }

  /* ── Products ── */
  .product-spotlight {
    padding: 28px 22px;
    gap: 32px;
    border-radius: var(--radius-lg);
  }

  .product-info h2 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .product-info p {
    font-size: 0.92rem;
    margin-bottom: 24px;
  }

  .product-features {
    gap: 10px;
    margin-bottom: 28px;
  }

  .product-feature {
    font-size: 0.85rem;
    gap: 10px;
  }

  .product-feature .check {
    width: 18px;
    height: 18px;
    font-size: 0.65rem;
  }

  .product-card-demo {
    max-width: 100%;
    padding: 22px;
  }

  .demo-msg {
    font-size: 0.78rem;
    padding: 10px 12px;
    margin-bottom: 10px;
  }

  .demo-header {
    margin-bottom: 18px;
    padding-bottom: 14px;
  }

  /* ── Tech Stack ── */
  .tech-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .tech-category {
    padding: 18px 16px;
  }

  .tech-category[style*="grid-column: span 2"] {
    grid-column: span 1;
  }

  .tech-cat-label {
    font-size: 0.65rem;
    margin-bottom: 12px;
  }

  .tech-tag {
    padding: 4px 10px;
    font-size: 0.72rem;
  }

  /* ── Timeline ── */
  .timeline-spine {
    display: none;
  }

  .tl-item {
    grid-template-columns: 1fr;
    padding: 16px 0;
  }

  .tl-item:nth-child(odd) .tl-content {
    grid-column: 1;
    text-align: left;
    padding-right: 0;
  }

  .tl-item:nth-child(even) .tl-content {
    grid-column: 1;
    padding-left: 0;
  }

  .tl-item:nth-child(odd) .tl-spacer,
  .tl-item:nth-child(even) .tl-spacer {
    display: none;
  }

  .tl-node {
    grid-column: 1;
    grid-row: 1;
    flex-direction: row;
    justify-content: flex-start;
    margin-bottom: 12px;
    padding-top: 0;
  }

  .tl-content {
    grid-column: 1 !important;
    grid-row: 2;
  }

  .tl-dot {
    width: 38px;
    height: 38px;
    font-size: 0.6rem;
  }

  .tl-content-card {
    padding: 18px 20px;
  }

  .tl-content-card h3 {
    font-size: 0.98rem;
  }

  .tl-content-card p {
    font-size: 0.82rem;
  }

  /* ── Contact ── */
  .contact-grid {
    gap: 40px;
  }

  .contact-info p {
    margin-bottom: 24px;
  }

  .contact-btn {
    padding: 12px 16px;
    font-size: 0.85rem;
    gap: 10px;
  }

  .contact-btn .cb-icon {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  .contact-btn .cb-text-val {
    font-size: 0.82rem;
    word-break: break-all;
  }

  .contact-form-wrap {
    padding: 28px 22px;
  }

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

  .form-group input,
  .form-group textarea,
  .form-group select {
    padding: 11px 14px;
    font-size: 16px; /* Prevents iOS zoom on focus */
  }

  .form-submit {
    padding: 14px;
    font-size: 0.92rem;
  }

  /* ── Footer ── */
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    margin-bottom: 28px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 24px;
  }

  .footer-links a {
    font-size: 0.82rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    padding-top: 20px;
  }

  .footer-logo img.logo-text {
    height: 30px;
  }
}

/* ── Small Mobile (≤ 480px) ─────────────────────────── */
@media (max-width: 480px) {
  .container {
    padding: 0 14px;
  }

  section {
    padding: 48px 0;
  }

  /* Logo */
  .logo-ani {
    width: 150px;
    height: 56px;
  }

  .la-part {
    height: 48px;
  }

  .la-wordmark {
    height: 30px;
    max-width: 130px;
  }

  /* Hero */
  #hero {
    padding-top: 90px;
    padding-bottom: 48px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    margin-top: 36px;
    padding-top: 28px;
  }

  .hero-stat {
    display: flex;
    align-items: baseline;
    gap: 10px;
  }

  .hero-stat-num {
    font-size: 1.5rem;
  }

  /* About */
  .about-values {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .value-chip {
    padding: 12px 16px;
    font-size: 0.85rem;
  }

  /* Services */
  .service-card {
    padding: 22px 18px;
  }

  /* Products */
  .product-spotlight {
    padding: 22px 18px;
    gap: 24px;
  }

  .product-badge {
    font-size: 0.68rem;
    padding: 4px 12px;
  }

  .product-card-demo {
    padding: 18px;
  }

  .demo-avatar {
    width: 34px;
    height: 34px;
    font-size: 0.85rem;
  }

  .demo-title {
    font-size: 0.82rem;
  }

  .demo-msg {
    font-size: 0.75rem;
    padding: 8px 10px;
  }

  /* Tech */
  .tech-grid {
    grid-template-columns: 1fr;
  }

  .tech-category[style*="grid-column: span 2"] {
    grid-column: span 1;
  }

  .tech-category {
    padding: 16px 14px;
  }

  .tech-tags {
    gap: 6px;
  }

  .tech-tag {
    padding: 4px 9px;
    font-size: 0.7rem;
  }

  /* Contact */
  .contact-form-wrap {
    padding: 22px 16px;
  }

  .contact-btn .cb-text-label {
    font-size: 0.68rem;
  }

  .contact-btn .cb-text-val {
    font-size: 0.78rem;
  }

  /* Mobile nav */
  .nav-mobile-menu a {
    padding: 14px 16px;
    font-size: 0.95rem;
  }

  /* Footer */
  footer {
    padding: 36px 0 24px;
  }

  .footer-links {
    gap: 12px 20px;
  }

  .footer-copy,
  .footer-made {
    font-size: 0.75rem;
  }
}

/* ── Tiny screens (≤ 360px) ─────────────────────────── */
@media (max-width: 360px) {
  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .hero-badge {
    font-size: 0.68rem;
    padding: 4px 10px;
  }

  .hero-content p {
    font-size: 0.92rem;
  }

  .btn {
    padding: 11px 20px;
    font-size: 0.85rem;
  }

  .product-info h2 {
    font-size: 1.3rem;
  }
}