/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #07090f;
  --bg2: #0d1120;
  --card-bg: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --text: #e8eaf0;
  --text-muted: #8a8fa8;
  --accent: #6c63ff;
  --accent2: #00d4a8;
  --accent3: #ff6b9d;
  --grad1: linear-gradient(135deg, #6c63ff, #00d4a8);
  --font-body: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --nav-h: 64px;
  --radius: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(7, 9, 15, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  background: var(--grad1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--text); }

/* ===== HERO ===== */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('hero_bg.png') center / cover no-repeat;
  opacity: 0.35;
  transform: scale(1.05);
  animation: bgFloat 20s ease-in-out infinite alternate;
}

@keyframes bgFloat {
  from { transform: scale(1.05) translateY(0); }
  to   { transform: scale(1.1) translateY(-20px); }
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 80%, rgba(7,9,15,0.8) 0%, transparent 70%),
              linear-gradient(to top, var(--bg) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
  animation: fadeUp 0.9s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 20px;
  border: 1px solid rgba(0,212,168,0.3);
  padding: 4px 14px;
  border-radius: 100px;
  background: rgba(0,212,168,0.07);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: #fff;
}

.gradient-text {
  background: var(--grad1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 40px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--grad1);
  color: #fff;
  text-decoration: none;
  padding: 14px 36px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 0 40px rgba(108,99,255,0.4);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 60px rgba(108,99,255,0.6);
}

.btn-primary.btn-sm {
  padding: 10px 22px;
  font-size: 0.875rem;
  box-shadow: 0 0 24px rgba(108,99,255,0.35);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* ===== WORKS SECTION ===== */
#works {
  padding: 120px 24px;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 64px;
  letter-spacing: -0.02em;
}

/* ===== CARDS ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 32px;
}

@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  animation: fadeUp 0.8s ease both;
}
.card:nth-child(2) { animation-delay: 0.15s; }

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(108,99,255,0.35);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(108,99,255,0.15);
}

/* Card Image */
.card-image-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover .card-image { transform: scale(1.05); }

.card-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(7,9,15,0.95) 100%);
}

/* Card Body */
.card-body {
  padding: 28px 30px 30px;
}

.card-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(255,255,255,0.07);
  color: var(--text-muted);
  border: 1px solid rgba(255,255,255,0.1);
}

.tag-accent {
  background: rgba(108,99,255,0.15);
  color: #a8a2ff;
  border-color: rgba(108,99,255,0.3);
}

.tag-accent2 {
  background: rgba(0,212,168,0.12);
  color: #4fe8c8;
  border-color: rgba(0,212,168,0.25);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

.card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
  padding: 16px 18px;
  background: rgba(255,255,255,0.03);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
}

.card-features li {
  font-size: 0.875rem;
  color: var(--text);
}

/* Card Footer */
.card-footer {
  display: flex;
  gap: 12px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text);
  text-decoration: none;
  padding: 10px 22px;
  border-radius: 100px;
  font-weight: 500;
  font-size: 0.875rem;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(108,99,255,0.12);
  transform: translateY(-2px);
}

/* ===== FOOTER ===== */
#footer {
  text-align: center;
  padding: 40px 24px;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}