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

:root {
  --emerald: #059669;
  --emerald-dark: #047857;
  --emerald-light: #34d399;
  --emerald-glow: rgba(5, 150, 105, 0.15);
  --emerald-soft: #ecfdf5;
  --red: #f43f5e;
  --red-soft: #fff1f2;
  --amber: #f59e0b;
  --blue: #3b82f6;
  --ink: #0d1117;
  --ink-2: #161b22;
  --ink-3: #21262d;
  --muted: #8b949e;
  --muted-2: #6e7781;
  --line: rgba(255,255,255,0.06);
  --line-light: rgba(0,0,0,0.07);
  --surface: #ffffff;
  --bg: #f6f8fa;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.05);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.07), 0 20px 48px rgba(0,0,0,0.10);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Sora', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d0d7de; border-radius: 10px; }

/* ─────────────────────────────────────────
   NAVBAR
───────────────────────────────────────── */
header {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 0 6%;
  height: 68px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 200;
  transition: all 0.3s ease;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.5px;
  text-decoration: none;
}

.logo-wrap {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--emerald), var(--emerald-light));
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: white;
  font-size: 1rem;
  box-shadow: 0 4px 12px var(--emerald-glow);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted-2);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s;
  letter-spacing: 0.1px;
}

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

.btn-cta-nav {
  background: var(--ink);
  color: white;
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.1px;
}

.btn-cta-nav:hover {
  background: var(--emerald);
  box-shadow: 0 6px 20px var(--emerald-glow);
  transform: translateY(-1px);
}

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
.hero {
  padding: 90px 6% 80px;
  background: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--emerald-soft) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, #f0f9ff 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.7fr 1fr;
  align-items: center;
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--emerald-soft);
  color: var(--emerald);
  padding: 7px 16px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  border: 1px solid rgba(5,150,105,0.2);
}

.badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--emerald);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-text h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1.5px;
  margin: 18px 0 16px;
  color: var(--ink);
}

.hero-text h1 span {
  background: linear-gradient(135deg, var(--emerald), var(--emerald-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  color: var(--muted-2);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 420px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
}

.btn-green {
  background: var(--emerald);
  color: white;
  border: none;
  padding: 13px 26px;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s;
  box-shadow: 0 6px 20px var(--emerald-glow);
  letter-spacing: 0.1px;
}

.btn-green:hover {
  background: var(--emerald-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--emerald-glow);
}

.btn-white {
  background: white;
  color: var(--ink);
  border: 1.5px solid var(--line-light);
  padding: 13px 26px;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.btn-white:hover {
  border-color: var(--emerald);
  color: var(--emerald);
}

/* Phone Mockup */
.hero-mockup {
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
}

.phone-frame::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle at center, var(--emerald-soft) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
}

.phone-frame img {
  height: 500px;
  width: auto;
  object-fit: contain;
  border-radius: 32px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.18), 0 0 0 1px rgba(0,0,0,0.05);
  animation: floatUp 4s ease-in-out infinite;
}

@keyframes floatUp {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-16px) rotate(1deg); }
}

/* Feature Cards */
.hero-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feat-item {
  background: white;
  border: 1px solid var(--line-light);
  padding: 20px;
  border-radius: var(--radius-sm);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  box-shadow: var(--shadow);
  transition: all 0.3s;
}

.feat-item:hover {
  border-color: var(--emerald);
  transform: translateX(4px);
  box-shadow: -4px 0 0 0 var(--emerald), var(--shadow);
}

.feat-item .feat-icon {
  width: 42px; height: 42px;
  background: var(--emerald-soft);
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--emerald);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.feat-item h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.feat-item p {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ─────────────────────────────────────────
   STATS BAR
───────────────────────────────────────── */
.stats-bar {
  background: var(--ink);
  padding: 36px 6%;
}

.stats-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 0 24px;
  border-right: 1px solid var(--line);
}

.stat-item:last-child { border-right: none; }

.stat-item .stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--emerald-light);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: -1px;
}

.stat-item .stat-label {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ─────────────────────────────────────────
   ABOUT
───────────────────────────────────────── */
.about {
  padding: 100px 6%;
  background: white;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--emerald);
  margin-bottom: 16px;
}

.about h2, .team h2 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 16px;
}

.about h2 span, .team h2 span {
  color: var(--emerald);
}

.section-sub {
  font-size: 0.95rem;
  color: var(--muted-2);
  max-width: 540px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: left;
}

.about-box {
  background: var(--bg);
  border: 1px solid var(--line-light);
  padding: 32px;
  border-radius: var(--radius);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.about-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--emerald), var(--emerald-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.about-box:hover::before { transform: scaleX(1); }

.about-box:hover {
  background: white;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.about-box .box-icon {
  width: 50px; height: 50px;
  background: var(--emerald-soft);
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--emerald);
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.about-box h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
}

.about-box p {
  font-size: 0.875rem;
  color: var(--muted-2);
  line-height: 1.7;
}

/* ─────────────────────────────────────────
   TEAM
───────────────────────────────────────── */
.team {
  padding: 100px 6%;
  background: var(--bg);
  text-align: center;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.team-card {
  background: white;
  border: 1px solid var(--line-light);
  padding: 32px 24px;
  border-radius: var(--radius);
  transition: all 0.3s;
  text-align: center;
}

.team-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--emerald-soft);
}

.team-avatar {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--emerald-soft), #d1fae5);
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  font-size: 1.8rem;
  color: var(--emerald);
  border: 3px solid white;
  box-shadow: 0 0 0 3px var(--emerald-soft);
}

.team-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 5px;
}

.team-card .nim {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 14px;
}

.tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--emerald-soft);
  color: var(--emerald);
  border: 1px solid rgba(5,150,105,0.2);
}

.tag.orange { background: #fff7ed; color: #c2410c; border-color: rgba(194,65,12,0.2); }
.tag.blue   { background: #eff6ff; color: #1d4ed8; border-color: rgba(29,78,216,0.2); }
.tag.red    { background: var(--red-soft); color: #be123c; border-color: rgba(190,18,60,0.2); }

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
footer {
  background: var(--ink);
  color: white;
  padding: 48px 6%;
}

.footer-wrap {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.3px;
}

.footer-logo .logo-dot {
  width: 8px; height: 8px;
  background: var(--emerald-light);
  border-radius: 50%;
}

footer p {
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-social {
  display: flex;
  gap: 14px;
}

.footer-social i {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
}

.footer-social i:hover {
  background: var(--emerald);
  border-color: var(--emerald);
  color: white;
}

/* ─────────────────────────────────────────
   LOGIN PAGE
───────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  background: white;
}

.login-left {
  flex: 1;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px;
  position: relative;
  overflow: hidden;
}

.login-left::before {
  content: '';
  position: absolute;
  top: -150px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(5,150,105,0.2) 0%, transparent 70%);
}

.login-left::after {
  content: '';
  position: absolute;
  bottom: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(52,211,153,0.1) 0%, transparent 70%);
}

.login-brand {
  position: relative;
  z-index: 1;
}

.login-brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
}

.login-brand-logo .lw {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--emerald), var(--emerald-light));
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: white;
  font-size: 1.1rem;
}

.login-brand-logo span {
  font-size: 1.3rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.5px;
}

.login-brand h1 {
  font-size: 2.6rem;
  font-weight: 800;
  color: white;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.login-brand h1 .green-word {
  color: var(--emerald-light);
}

.login-brand p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 340px;
}

.login-features {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.lf-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 0.875rem;
}

.lf-item i {
  width: 34px; height: 34px;
  background: rgba(255,255,255,0.06);
  border-radius: 9px;
  display: grid;
  place-items: center;
  color: var(--emerald-light);
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* RIGHT SIDE */
.login-right {
  width: 500px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 48px 56px;
  overflow-y: auto;
}

.login-right-header {
  margin-bottom: 36px;
}

.login-right-header h2 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.8px;
  margin-bottom: 8px;
}

.login-right-header p {
  color: var(--muted-2);
  font-size: 0.9rem;
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.3px;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.form-group input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid #e5e7eb;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--bg);
  transition: all 0.2s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--emerald);
  background: white;
  box-shadow: 0 0 0 3px var(--emerald-glow);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0;
}

.checkbox-group input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--emerald);
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.85rem;
  color: var(--muted-2);
  cursor: pointer;
}

.login-btn {
  width: 100%;
  padding: 14px;
  background: var(--emerald);
  color: white;
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s;
  letter-spacing: 0.2px;
  margin-top: 8px;
  box-shadow: 0 6px 20px var(--emerald-glow);
}

.login-btn:hover {
  background: var(--emerald-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px var(--emerald-glow);
}

.login-btn:active { transform: translateY(0); }

.error {
  color: var(--red);
  font-size: 0.8rem;
  margin-top: 6px;
  display: block;
}

.success {
  text-align: center;
  color: var(--emerald);
  font-weight: 700;
  font-size: 0.9rem;
  margin-top: 16px;
}

/* ── AUTH TABS ── */
.auth-tabs {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg);
  border: 1px solid var(--line-light);
  border-radius: 14px;
  padding: 4px;
  margin-bottom: 32px;
  overflow: hidden;
}

.auth-tab {
  position: relative;
  z-index: 1;
  padding: 11px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted-2);
  cursor: pointer;
  border-radius: 10px;
  transition: color 0.25s;
  letter-spacing: 0.1px;
}

.auth-tab.active { color: var(--ink); }

.auth-tab-slider {
  position: absolute;
  top: 4px; left: 4px;
  width: calc(50% - 4px);
  height: calc(100% - 8px);
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}

/* ── AUTH HEADER ── */
.auth-header {
  margin-bottom: 28px;
}

.auth-header h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.8px;
  margin-bottom: 6px;
}

.auth-header p {
  color: var(--muted-2);
  font-size: 0.88rem;
}

/* ── INPUT WITH ICON ── */
.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrap .input-icon {
  position: absolute;
  left: 14px;
  color: var(--muted);
  font-size: 0.85rem;
  pointer-events: none;
  transition: color 0.2s;
}

.input-wrap input {
  padding-left: 40px !important;
}

.input-wrap:focus-within .input-icon {
  color: var(--emerald);
}

.toggle-pw {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  font-size: 0.85rem;
  transition: color 0.2s;
  line-height: 1;
}

.toggle-pw:hover { color: var(--ink); }

/* ── PASSWORD STRENGTH ── */
.pw-strength {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: -10px;
  margin-bottom: 16px;
}

.pw-strength-bar {
  flex: 1;
  height: 4px;
  background: #e5e7eb;
  border-radius: 100px;
  overflow: hidden;
}

.pw-strength-fill {
  height: 100%;
  border-radius: 100px;
  width: 0%;
  transition: width 0.4s ease, background 0.4s ease;
}

.pw-strength-label {
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
  min-width: 72px;
  text-align: right;
}

/* ── SWITCH TEXT ── */
.auth-switch-text {
  text-align: center;
  margin-top: 22px;
  font-size: 0.85rem;
  color: var(--muted-2);
}

.auth-switch-text a {
  color: var(--emerald);
  font-weight: 700;
  text-decoration: none;
}

.auth-switch-text a:hover { text-decoration: underline; }

/* ── SCROLLABLE RIGHT PANEL (handled above) ── */

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media (max-width: 1100px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
  }
  .hero-features { display: none; }
}

@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-mockup { display: none; }
  .hero-text h1 { font-size: 2.2rem; }
  .hero-actions { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2,1fr); gap: 20px; }
  .stat-item { border-right: none; }
  .footer-wrap { flex-direction: column; gap: 16px; text-align: center; }
  .login-left { display: none; }
  .login-right { width: 100%; padding: 40px 28px; }
  header { padding: 0 5%; }
  .nav-links { display: none; }
}