/* ============================================
   ALGOSTECH ABOUT PAGE
   Matches site design language exactly
   ============================================ */

:root {
  --primary: #00ffcc;
  --primary-dim: rgba(0, 255, 204, 0.12);
  --primary-glow: rgba(0, 255, 204, 0.35);
  --accent: #00c2ff;
  --bg: #050914;
  --bg-2: #080e1f;
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.065);
  --border: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(0, 255, 204, 0.28);
  --text: #e8edf8;
  --text-muted: #6b7a99;
  --text-dim: #9aa5be;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
  --nav-h: 76px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(0, 255, 204, 0.12);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background: var(--bg); color: var(--text); font-family: var(--font-body); overflow-x: hidden; line-height: 1.6; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: var(--font-body); }

/* NOISE */
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 9999; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px;
}

/* ORBS */
.orb { position: fixed; border-radius: 50%; filter: blur(90px); pointer-events: none; z-index: 0; }
.orb-a { width: 500px; height: 500px; background: radial-gradient(circle, rgba(0,255,204,0.06), transparent 70%); top: -200px; right: -150px; }
.orb-b { width: 350px; height: 350px; background: radial-gradient(circle, rgba(0,194,255,0.05), transparent 70%); bottom: 200px; left: -100px; }

/* CONTAINER */
.container { max-width: 1200px; margin: 0 auto; padding: 0 5%; }

/* GRADIENT TEXT */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* SECTION TAG */
.section-tag {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em;
  color: var(--primary); background: var(--primary-dim);
  border: 1px solid var(--border-bright);
  padding: 5px 14px; border-radius: var(--radius-pill); margin-bottom: 1.2rem;
}

/* SECTION HEADER */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-title { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.1; margin-bottom: 0.8rem; }
.section-desc { color: var(--text-dim); font-size: 1rem; max-width: 520px; margin: 0 auto; line-height: 1.7; }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius-pill);
  font-size: 0.95rem; font-weight: 600; border: none;
  transition: var(--transition); white-space: nowrap; cursor: pointer;
}
.btn.primary { background: var(--primary); color: #000; font-weight: 700; box-shadow: 0 0 20px rgba(0,255,204,0.22); }
.btn.primary:hover { background: #fff; transform: translateY(-2px); box-shadow: 0 0 36px rgba(0,255,204,0.45); }
.btn.dark { background: #000; color: #fff; border: 1px solid rgba(255,255,255,0.1); }
.btn.dark:hover { background: #111; transform: translateY(-2px); }
.btn.ghost-dark { background: transparent; color: #000; border: 2px solid rgba(0,0,0,0.25); }
.btn.ghost-dark:hover { background: rgba(0,0,0,0.08); }

.logo-img { width: 34px; height: 34px; object-fit: contain; }

/* ======================== NAV ======================== */
nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; z-index: 1000;
  transition: var(--transition); border-bottom: 1px solid transparent;
}
nav.scrolled { background: rgba(5,9,20,0.92); backdrop-filter: blur(20px); border-bottom-color: var(--border); }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 1.25rem; font-weight: 800; }
.logo-mark { display: flex; align-items: center; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-link { padding: 8px 14px; border-radius: var(--radius-pill); font-size: 0.9rem; color: var(--text-dim); transition: var(--transition); }
.nav-link:hover { color: var(--text); background: var(--bg-card); }
.nav-link.active { color: var(--primary); background: var(--primary-dim); }
.nav-btn { background: var(--primary); color: #000; border: none; padding: 8px 20px; border-radius: var(--radius-pill); font-size: 0.9rem; font-weight: 700; transition: var(--transition); }
.nav-btn:hover { background: #fff; transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); transform-origin: center; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ======================== PAGE HERO ======================== */
.page-hero {
  position: relative; min-height: 44vh;
  display: flex; align-items: center; justify-content: center;
  padding-top: var(--nav-h); overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
  pointer-events: none;
}
.page-hero-inner { text-align: center; padding: 60px 20px 40px; position: relative; z-index: 1; }
.page-title { font-family: var(--font-display); font-size: clamp(2.6rem, 6vw, 4.4rem); font-weight: 800; line-height: 1.05; margin-bottom: 1rem; }
.page-desc { color: var(--text-dim); font-size: 1.1rem; max-width: 540px; margin: 0 auto; line-height: 1.7; }

/* ======================== INTRO ======================== */
.intro-section { padding: 90px 0; position: relative; z-index: 1; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }

.intro-img-zone { position: relative; }
.intro-glow {
  position: absolute; width: 80%; height: 80%; top: 10%; left: 10%;
  border-radius: 50%; background: radial-gradient(ellipse, rgba(0,255,204,0.06), transparent 70%);
  filter: blur(50px); pointer-events: none;
}
.intro-img-placeholder { border-radius: 20px; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.intro-img-blend {
  width: 100%; height: auto; border-radius: 20px;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 50%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 50%, transparent 100%);
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.6));
}

.float-chip {
  position: absolute; background: rgba(8,14,31,0.92);
  border: 1px solid var(--border-bright); backdrop-filter: blur(12px);
  border-radius: 10px; padding: 10px 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4); z-index: 3;
  animation: chipFloat 4s ease-in-out infinite;
}
.chip-tl { top: -14px; left: -14px; animation-delay: 0s; }
.chip-br { bottom: -14px; right: -14px; animation-delay: 2s; }
@keyframes chipFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
.chip-label { font-family: var(--font-mono); font-size: 0.55rem; color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase; }
.chip-val { font-family: var(--font-display); font-size: 1.1rem; font-weight: 800; color: var(--primary); }

.intro-content { display: flex; flex-direction: column; }
.intro-p { color: var(--text-dim); font-size: 0.97rem; line-height: 1.8; margin-bottom: 1.2rem; }
.intro-stats { display: flex; align-items: center; gap: 24px; margin: 2rem 0; flex-wrap: wrap; }
.i-stat { display: flex; flex-direction: column; }
.i-stat-num { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: var(--primary); line-height: 1; }
.i-stat-lbl { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.i-stat-div { width: 1px; height: 36px; background: var(--border); }

/* ======================== MISSION VISION WHY ======================== */
.mvw-section { padding: 90px 0; background: var(--bg-2); }
.mvw-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mvw-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 28px;
  position: relative; overflow: hidden; transition: var(--transition);
  display: flex; flex-direction: column;
}
.mvw-card:hover { border-color: var(--border-bright); transform: translateY(-6px); box-shadow: var(--shadow-glow); background: var(--bg-card-hover); }
.mvw-card.featured { border-color: var(--border-bright); background: linear-gradient(160deg, rgba(0,255,204,0.06), var(--bg-card) 60%); box-shadow: var(--shadow-glow); }
.card-top-line { position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--primary), transparent); opacity: 0.5; pointer-events: none; }
.featured .card-top-line { opacity: 1; }
.mvw-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); background: var(--primary-dim); border: 1px solid var(--border-bright); display: flex; align-items: center; justify-content: center; margin-bottom: 1.2rem; }
.mvw-icon.featured-icon { background: var(--primary); border-color: var(--primary); }
.mvw-num { font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-muted); letter-spacing: 0.12em; margin-bottom: 0.5rem; }
.mvw-card h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; margin-bottom: 1rem; }
.mvw-card p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.75; flex: 1; }

/* ======================== WHY SECTION ======================== */
.why-section { padding: 90px 0; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 26px 22px; transition: var(--transition); }
.why-card:hover { border-color: var(--border-bright); background: var(--bg-card-hover); transform: translateY(-4px); }
.why-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--primary-dim); border: 1px solid var(--border-bright); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.why-card h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: 0.6rem; }
.why-card p { color: var(--text-dim); font-size: 0.85rem; line-height: 1.65; }
.why-card:nth-child(1){transition-delay:0s} .why-card:nth-child(2){transition-delay:.05s} .why-card:nth-child(3){transition-delay:.1s} .why-card:nth-child(4){transition-delay:.15s}
.why-card:nth-child(5){transition-delay:.2s} .why-card:nth-child(6){transition-delay:.25s} .why-card:nth-child(7){transition-delay:.3s} .why-card:nth-child(8){transition-delay:.35s}

/* ======================== STATS ======================== */
.stats-section { padding: 60px 0 80px; }
.stats-inner { background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 24px; padding: 60px 40px; position: relative; overflow: hidden; }
.stats-glow { position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.2), transparent 70%); pointer-events: none; }
.stats-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; }
.s-stat { text-align: center; padding: 0 20px; position: relative; z-index: 1; }
.s-stat-num { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; color: #000; margin-bottom: 6px; }
.s-stat-lbl { font-size: 0.82rem; color: rgba(0,0,0,0.65); font-weight: 500; }
.s-stat-div { width: 1px; height: 60px; background: rgba(0,0,0,0.15); }

/* ======================== CTA ======================== */
.cta-section { padding: 60px 0 80px; }
.cta-inner { background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 24px; padding: 80px 60px; text-align: center; position: relative; overflow: hidden; }
.cta-glow { position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.2), transparent 70%); pointer-events: none; }
.cta-title { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: #000; margin-bottom: 0.8rem; position: relative; z-index: 1; }
.cta-desc { color: rgba(0,0,0,0.65); font-size: 1.05rem; margin-bottom: 2.4rem; position: relative; z-index: 1; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ======================== FOOTER ======================== */
footer { background: var(--bg-2); }
.footer-top { padding: 70px 0 50px; border-bottom: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; }
.footer-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 1.25rem; font-weight: 800; margin-bottom: 16px; }
.footer-brand-desc { color: var(--text-muted); font-size: 0.85rem; line-height: 1.7; margin-bottom: 20px; max-width: 280px; }
.footer-social { display: flex; gap: 8px; flex-wrap: wrap; }
.social-icon { width: 36px; height: 36px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: var(--transition); }
.social-icon:hover { border-color: var(--border-bright); color: var(--primary); background: var(--primary-dim); }
.footer-col-title { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 20px; }
.footer-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-list a { color: var(--text-muted); font-size: 0.88rem; transition: var(--transition); }
.footer-list a:hover { color: var(--text); padding-left: 4px; }
.footer-contact-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: var(--text-muted); line-height: 1.55; }
.footer-contact-icon { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; flex-shrink: 0; background: rgba(255,255,255,0.05); border: 1px solid var(--border); border-radius: 6px; margin-top: 1px; }
.footer-contact-list a { color: var(--text-muted); transition: var(--transition); }
.footer-contact-list a:hover { color: var(--primary); }
.footer-bottom { padding: 20px 0; text-align: center; }
.footer-bottom p { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.06em; }

/* ======================== RESPONSIVE ======================== */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .s-stat-div { display: none; }
}
@media (max-width: 900px) {
  .intro-grid { grid-template-columns: 1fr; gap: 50px; }
  .mvw-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links { position: fixed; top: var(--nav-h); left: 0; right: 0; background: rgba(5,9,20,0.97); backdrop-filter: blur(20px); flex-direction: column; align-items: stretch; padding: 20px; gap: 4px; border-bottom: 1px solid var(--border); transform: translateY(-100%); opacity: 0; pointer-events: none; transition: var(--transition); z-index: 999; }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-link { padding: 14px 16px; border-radius: var(--radius-sm); font-size: 1rem; }
  .nav-btn { width: 100%; padding: 14px; }
  .why-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { padding: 60px 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .chip-tl { top: 8px; left: 8px; }
  .chip-br { bottom: 8px; right: 8px; }
}
@media (max-width: 480px) {
  .page-title { font-size: 2.4rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .cta-inner { padding: 50px 20px; }
}