/* ============================================================
   DevVisionLab – Global CSS
   Bento Box Grid · Material-quality Design · Rich Animations
   ============================================================ */

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

:root {
  /* brand palette */
  --clr-bg:        #0a0b10;
  --clr-surface:   #12141d;
  --clr-surface2:  #1a1d2e;
  --clr-border:    rgba(255,255,255,.07);
  --clr-primary:   #6c63ff;
  --clr-accent:    #00d4ff;
  --clr-accent2:   #ff6584;
  --clr-green:     #00e5a0;
  --clr-gold:      #ffd166;
  --clr-text:      #e8eaf6;
  --clr-muted:     #7b7f9e;

  /* gradients */
  --grad-primary:  linear-gradient(135deg, #6c63ff 0%, #00d4ff 100%);
  --grad-hero:     radial-gradient(ellipse 80% 60% at 50% -10%, rgba(108,99,255,.35) 0%, transparent 70%);
  --grad-card:     linear-gradient(145deg, rgba(26,29,46,.9) 0%, rgba(18,20,29,.95) 100%);

  /* spacing */
  --gap:   1.5rem;
  --r-sm:  .75rem;
  --r-md:  1.25rem;
  --r-lg:  2rem;
  --r-xl:  2.5rem;

  /* typography */
  --ff-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --ff-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* motion */
  --ease-out-expo: cubic-bezier(.16,1,.3,1);
  --ease-spring:   cubic-bezier(.34,1.56,.64,1);
  --dur-fast: 200ms;
  --dur-mid:  400ms;
  --dur-slow: 700ms;

  /* navbar height */
  --nav-h: 70px;
}

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

body {
  font-family: var(--ff-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ── Typography Scale ─────────────────────────────────────── */
.display-1 { font-size: clamp(2.8rem,7vw,6rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.05; }
.display-2 { font-size: clamp(2rem,5vw,4rem);   font-weight: 800; letter-spacing: -.025em; line-height: 1.1; }
.h1  { font-size: clamp(1.8rem,4vw,3rem);  font-weight: 700; letter-spacing: -.02em; }
.h2  { font-size: clamp(1.4rem,3vw,2.2rem); font-weight: 700; }
.h3  { font-size: clamp(1.1rem,2vw,1.5rem); font-weight: 600; }
.h4  { font-size: 1.1rem; font-weight: 600; }
.body-lg { font-size: 1.125rem; line-height: 1.75; }
.body-sm { font-size: .875rem; line-height: 1.6; }
.caption { font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; color: var(--clr-muted); }

.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout Containers ────────────────────────────────────── */
.container { width: min(1280px, 100% - 3rem); margin-inline: auto; }
.container-wide { width: min(1440px, 100% - 2rem); margin-inline: auto; }
.section { padding-block: 6rem; }
.section-sm { padding-block: 3.5rem; }

/* ── Bento Grid ───────────────────────────────────────────── */
.bento-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(12, 1fr);
}
.bento-card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-mid) var(--ease-out-expo),
              box-shadow var(--dur-mid) var(--ease-out-expo),
              border-color var(--dur-mid) ease;
  backdrop-filter: blur(12px);
}
.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity var(--dur-mid) ease;
  z-index: 0;
}
.bento-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 24px 60px rgba(108,99,255,.18), 0 4px 20px rgba(0,0,0,.4);
  border-color: rgba(108,99,255,.4);
}
.bento-card:hover::before { opacity: .04; }
.bento-card > * { position: relative; z-index: 1; }

/* span helpers */
.col-1  { grid-column: span 1; }
.col-2  { grid-column: span 2; }
.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-9  { grid-column: span 9; }
.col-12 { grid-column: span 12; }
.row-2  { grid-row: span 2; }

/* ── Glassmorphism Card ───────────────────────────────────── */
.glass {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(20px);
  border-radius: var(--r-lg);
}

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background var(--dur-mid) ease, backdrop-filter var(--dur-mid) ease;
}
.nav.scrolled {
  background: rgba(10,11,16,.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1280px, 100% - 3rem);
  margin-inline: auto;
}
.nav-logo { display: flex; align-items: center; gap: .75rem; }
.nav-logo .logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -.02em;
}
.nav-links { display: flex; align-items: center; gap: 2.5rem; }
.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: color var(--dur-fast) ease;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-mid) var(--ease-out-expo);
}
.nav-links a:hover, .nav-links a.active { color: var(--clr-text); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-cta { margin-left: 1rem; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--clr-text); border-radius: 2px; transition: all var(--dur-mid) ease; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.6rem;
  border-radius: 100px;
  font-size: .9rem;
  font-weight: 600;
  transition: all var(--dur-mid) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108,99,255,.5);
}
.btn-outline {
  border: 1.5px solid rgba(255,255,255,.2);
  color: var(--clr-text);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(108,99,255,.08);
  transform: translateY(-2px);
}
.btn-lg { padding: .95rem 2.2rem; font-size: 1rem; }

/* ── Tags / Badges ────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .85rem;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.tag-primary { background: rgba(108,99,255,.15); color: var(--clr-primary); border: 1px solid rgba(108,99,255,.3); }
.tag-accent  { background: rgba(0,212,255,.1);   color: var(--clr-accent);  border: 1px solid rgba(0,212,255,.25); }
.tag-green   { background: rgba(0,229,160,.1);   color: var(--clr-green);   border: 1px solid rgba(0,229,160,.25); }
.tag-gold    { background: rgba(255,209,102,.1); color: var(--clr-gold);    border: 1px solid rgba(255,209,102,.25); }

/* ── Section Headers ──────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-primary);
}
.section-header .eyebrow::before,
.section-header .eyebrow::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--clr-primary);
  opacity: .5;
}
.section-header p {
  max-width: 640px;
  margin-inline: auto;
  color: var(--clr-muted);
  font-size: 1.05rem;
  margin-top: .75rem;
}

/* ── Dividers ─────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-border), transparent);
  margin-block: 1.5rem;
}

/* ── Animated gradient ring ───────────────────────────────── */
.glow-ring {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: floatGlow 8s ease-in-out infinite alternate;
}
@keyframes floatGlow {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(40px,30px) scale(1.15); }
}

/* ── Stat Counter Card ────────────────────────────────────── */
.stat-number {
  font-size: clamp(2.5rem,5vw,4rem);
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

/* ── Icon Box ─────────────────────────────────────────────── */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.icon-box-primary { background: rgba(108,99,255,.15); }
.icon-box-accent  { background: rgba(0,212,255,.12);  }
.icon-box-green   { background: rgba(0,229,160,.12);  }
.icon-box-gold    { background: rgba(255,209,102,.12);}
.icon-box-pink    { background: rgba(255,101,132,.12);}

/* ── Progress Bar ─────────────────────────────────────────── */
.progress-bar {
  height: 4px;
  background: rgba(255,255,255,.08);
  border-radius: 100px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 100px;
  background: var(--grad-primary);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.2s var(--ease-out-expo);
}
.progress-fill.animated { transform: scaleX(1); }

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--grad-hero);
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 80%);
}
.hero-content { position: relative; z-index: 1; }

/* ── Floating Blobs ───────────────────────────────────────── */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  animation: blobDrift 12s ease-in-out infinite alternate;
}
@keyframes blobDrift {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(60px,40px) scale(1.1); }
}

/* ── App mockup card ──────────────────────────────────────── */
.app-card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-mid) var(--ease-spring);
}
.app-card:hover { transform: translateY(-8px) rotateX(2deg); }

/* ── Feature strip ────────────────────────────────────────── */
.feature-pill {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1rem;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 500;
  white-space: nowrap;
}

/* ── Scroll marquee ───────────────────────────────────────── */
.marquee-wrap { overflow: hidden; padding-block: 1.5rem; }
.marquee-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee-wrap:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Timeline ─────────────────────────────────────────────── */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--clr-primary), var(--clr-accent));
}
.timeline-item { position: relative; padding-bottom: 2.5rem; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.45rem;
  top: .4rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--clr-primary);
  box-shadow: 0 0 0 4px rgba(108,99,255,.2);
}

/* ── Team Card ────────────────────────────────────────────── */
.member-card .avatar-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--grad-primary);
  padding: 2px;
  flex-shrink: 0;
}
.member-card .avatar-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--clr-surface);
  display: grid;
  place-items: center;
  overflow: hidden;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-block: 4rem 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr 1.5fr;
  gap: 3rem;
}
.footer-legal {
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid var(--clr-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--clr-muted);
  font-size: .85rem;
}
.footer-legal-links { display: flex; gap: 2rem; }
.footer-legal-links a { transition: color var(--dur-fast) ease; }
.footer-legal-links a:hover { color: var(--clr-primary); }
.footer-link { transition: color var(--dur-fast) ease !important; }
.footer-link:hover { color: var(--clr-primary) !important; }
.footer .tag.tag-green {
  display: flex;
  width: 100%;
  justify-content: center;
}

/* ── Mobile Nav Drawer ────────────────────────────────────── */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 100vw);
  background: var(--clr-surface);
  border-left: 1px solid var(--clr-border);
  z-index: 1100;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-out-expo);
  backdrop-filter: blur(24px);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-links { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 2rem; }
.mobile-nav-links a { font-size: 1.2rem; font-weight: 600; color: var(--clr-muted); transition: color var(--dur-fast) ease; }
.mobile-nav-links a:hover { color: var(--clr-text); }
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) ease;
  backdrop-filter: blur(4px);
}
.overlay.show { opacity: 1; pointer-events: all; }

/* ── Legal pages ──────────────────────────────────────────── */
.legal-content { max-width: 860px; margin-inline: auto; }
.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1rem;
  color: var(--clr-text);
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--clr-border);
}
.legal-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: .75rem;
  color: var(--clr-accent);
}
.legal-content p, .legal-content li { color: var(--clr-muted); line-height: 1.8; margin-bottom: .75rem; }
.legal-content ul { padding-left: 1.5rem; list-style: disc; }
.legal-content ul li { margin-bottom: .5rem; }
.legal-toc {
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  padding: 1.5rem 2rem;
  margin-bottom: 3rem;
}
.legal-toc ol { counter-reset: toc; padding-left: 0; }
.legal-toc li {
  counter-increment: toc;
  list-style: none;
  padding: .35rem 0;
  border-bottom: 1px solid var(--clr-border);
  font-size: .9rem;
}
.legal-toc li:last-child { border-bottom: none; }
.legal-toc a { color: var(--clr-primary); transition: color var(--dur-fast) ease; }
.legal-toc a:hover { color: var(--clr-accent); }

/* ── Form ─────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1.25rem; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--clr-muted); }
.form-control {
  background: var(--clr-surface2);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--r-sm);
  color: var(--clr-text);
  font-family: var(--ff-sans);
  font-size: .95rem;
  padding: .75rem 1rem;
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
  outline: none;
}
.form-control:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,.2);
}
textarea.form-control { resize: vertical; min-height: 120px; }

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.9); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(108,99,255,.4); }
  70%  { box-shadow: 0 0 0 20px rgba(108,99,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(108,99,255,0); }
}

.anim-fadeInUp   { animation: fadeInUp   var(--dur-slow) var(--ease-out-expo) both; }
.anim-fadeIn     { animation: fadeIn     var(--dur-slow) ease both; }
.anim-scaleIn    { animation: scaleIn    var(--dur-slow) var(--ease-spring) both; }
.anim-slideLeft  { animation: slideInLeft var(--dur-slow) var(--ease-out-expo) both; }

.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }
.delay-5 { animation-delay: .5s; }
.delay-6 { animation-delay: .6s; }
.delay-7 { animation-delay: .7s; }
.delay-8 { animation-delay: .8s; }

/* Intersection reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-scale {
  opacity: 0;
  transform: scale(.92);
  transition: opacity var(--dur-slow) var(--ease-spring),
              transform var(--dur-slow) var(--ease-spring);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ── Scroll indicator ─────────────────────────────────────── */
.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, var(--clr-primary), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%,100% { opacity: .2; transform: scaleY(1); }
  50%      { opacity: 1;  transform: scaleY(1.2); }
}

/* ── Cursor glow ──────────────────────────────────────────── */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108,99,255,.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transition: transform .1s ease;
  transform: translate(-50%,-50%);
}

/* ── Number Ticker ────────────────────────────────────────── */
.ticker { display: inline-block; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .col-4 { grid-column: span 6; }
  .col-3 { grid-column: span 6; }
  .col-8 { grid-column: span 12; }
  .col-9 { grid-column: span 12; }
}

@media (max-width: 768px) {
  :root { --gap: 1rem; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .col-4, .col-3, .col-6, .col-7, .col-5, .col-8, .col-9 { grid-column: span 12; }
  .section { padding-block: 4rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-legal { flex-direction: column; text-align: center; }
  .footer-legal-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
}

@media (max-width: 480px) {
  .display-1 { font-size: 2.4rem; }
  .bento-card { padding: 1.5rem; }
}