/* ═══════════════════════════════════════════════════════════
   STUDYFLOW — Design System
   Palette: Indigo Ink  |  Tone: Editorial / Academic Luxury
   Fonts: Cormorant Garamond (display) + Manrope (body) + Space Mono (code/labels)
═══════════════════════════════════════════════════════════ */

:root {
  --ink-deep:    #1B0A3C;
  --ink-mid:     #2D1660;
  --ink-light:   #3D1E7C;
  --violet:      #7B68EE;
  --violet-soft: #9B8FF5;
  --lavender:    #E8E0F0;
  --cream:       #F5F2FA;
  --white:       #FFFFFF;
  --gold:        #C9A84C;
  --gold-light:  #E8C96A;
  --text-primary:   #1B0A3C;
  --text-secondary: #5A4A7A;
  --text-muted:     #9B8FB0;
  --border:         rgba(123,104,238,0.15);
  --border-strong:  rgba(123,104,238,0.3);
  --glass:          rgba(255,255,255,0.06);
  --glass-border:   rgba(255,255,255,0.12);
  --shadow-sm:  0 2px 12px rgba(27,10,60,0.08);
  --shadow-md:  0 8px 32px rgba(27,10,60,0.12);
  --shadow-lg:  0 20px 60px rgba(27,10,60,0.18);
  --shadow-xl:  0 32px 80px rgba(27,10,60,0.25);
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  22px;
  --radius-xl:  32px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Manrope', sans-serif;
  background: var(--cream);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3 {
  font-family: 'Cormorant Garamond', serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(3rem, 6vw, 5.5rem); font-weight: 700; }
h2 { font-size: clamp(2.2rem, 4vw, 3.8rem); font-weight: 600; }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 600; }

em { font-style: italic; color: var(--violet); }

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb { background: var(--violet); border-radius: 3px; }

/* ═══════════════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(245,242,250,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-deep);
  flex-shrink: 0;
}

.logo-icon {
  font-size: 1.6rem;
  color: var(--violet);
  line-height: 1;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--violet);
  transition: width var(--transition);
  border-radius: 2px;
}

.nav-links a:hover { color: var(--ink-deep); }
.nav-links a:hover::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.btn-nav-enroll {
  background: var(--ink-deep);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-nav-enroll:hover {
  background: var(--violet);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(123,104,238,0.35);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--ink-deep);
  border-radius: 2px;
  transition: var(--transition);
}

/* ═══════════════════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--ink-deep), var(--ink-light));
  color: var(--white);
  padding: 16px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(27,10,60,0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 35px rgba(123,104,238,0.4);
  background: linear-gradient(135deg, var(--ink-light), var(--violet));
}

.btn-primary.btn-sm {
  padding: 12px 24px;
  font-size: 0.9rem;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--text-secondary);
  padding: 16px 28px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 500;
  border: 1.5px solid var(--border-strong);
  transition: var(--transition);
}

.btn-ghost:hover {
  background: var(--lavender);
  color: var(--ink-deep);
  border-color: var(--violet);
  transform: translateY(-2px);
}

.btn-enroll {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, #C9A84C, #E8C96A, #C9A84C);
  background-size: 200% 100%;
  color: var(--ink-deep);
  padding: 18px 40px;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 6px 25px rgba(201,168,76,0.4);
  cursor: pointer;
  border: none;
  font-family: 'Manrope', sans-serif;
}

.btn-enroll:hover {
  background-position: 100% 0;
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(201,168,76,0.5);
}

.btn-enroll-large {
  padding: 22px 52px;
  font-size: 1.15rem;
}

/* ═══════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--ink-deep) 0%, var(--ink-mid) 50%, #2A1060 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 140px 80px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(123,104,238,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123,104,238,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(123,104,238,0.25), transparent 70%);
  top: -100px; right: 200px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(201,168,76,0.15), transparent 70%);
  bottom: 50px; left: 100px;
  animation-delay: -3s;
}

.hero-orb-3 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(155,143,245,0.2), transparent 70%);
  top: 50%; right: 50px;
  animation-delay: -5s;
}

@keyframes orbFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: heroReveal 1s ease-out forwards;
}

@keyframes heroReveal {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.85);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 8px; height: 8px;
  background: #4ADE80;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero-title em {
  color: var(--gold-light);
  font-style: italic;
}

.hero-subtitle {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  backdrop-filter: blur(10px);
  width: fit-content;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 28px;
}

.stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
  white-space: nowrap;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.15);
}

/* ─── DASHBOARD CARD ─── */
.hero-dashboard {
  position: relative;
  z-index: 2;
  animation: dashReveal 1.2s ease-out 0.3s both;
}

@keyframes dashReveal {
  from { opacity: 0; transform: translateY(50px) rotateX(10deg); }
  to { opacity: 1; transform: translateY(0) rotateX(0); }
}

.dashboard-card {
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,0.1);
  transform: perspective(1000px) rotateY(-3deg) rotateX(2deg);
  transition: transform 0.5s ease;
}

.dashboard-card:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.dash-header {
  background: var(--ink-deep);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.dash-dots { display: flex; gap: 6px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green { background: #28C840; }

.dash-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  flex: 1;
  text-align: center;
}

.dash-date {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-family: 'Space Mono', monospace;
}

.dash-body { padding: 20px; }

.dash-section { margin-bottom: 18px; }

.dash-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.task-list { display: flex; flex-direction: column; gap: 8px; }

.task-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--cream);
  border-left: 3px solid transparent;
}

.task-high { border-left-color: #EF4444; }
.task-med  { border-left-color: #F59E0B; }
.task-low  { border-left-color: #10B981; }

.task-check {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  flex-shrink: 0;
}

.task-check.checked {
  background: #10B981;
  border-color: #10B981;
  color: white;
}

.task-info { flex: 1; }
.task-name { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-primary); }
.task-due  { display: block; font-size: 0.7rem; color: var(--text-muted); }

.task-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 50px;
  font-family: 'Space Mono', monospace;
}

.task-badge.high { background: #FEE2E2; color: #EF4444; }
.task-badge.med  { background: #FEF3C7; color: #D97706; }
.task-badge.low  { background: #D1FAE5; color: #059669; }

.progress-bars { display: flex; flex-direction: column; gap: 8px; }

.prog-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.prog-row > span:first-child { width: 80px; flex-shrink: 0; }
.prog-row > span:last-child { width: 32px; text-align: right; font-weight: 600; }

.prog-bar {
  flex: 1;
  height: 6px;
  background: var(--lavender);
  border-radius: 3px;
  overflow: hidden;
}

.prog-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--violet), var(--violet-soft));
  border-radius: 3px;
  animation: fillBar 1.5s ease-out 0.8s both;
}

@keyframes fillBar {
  from { width: 0 !important; }
}

.dash-mini-stats {
  display: flex;
  gap: 0;
  background: var(--ink-deep);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.mini-stat {
  flex: 1;
  padding: 12px 8px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
}

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

.mini-num {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1;
}

.mini-label {
  display: block;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
  margin-top: 3px;
}

/* ═══════════════════════════════════════════════════════════
   MARQUEE
═══════════════════════════════════════════════════════════ */
.marquee-strip {
  background: var(--ink-deep);
  padding: 16px 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 32px;
  white-space: nowrap;
  animation: marqueeScroll 30s linear infinite;
  width: max-content;
}

.marquee-track span {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}

.marquee-track .sep {
  color: var(--gold);
  font-size: 0.7rem;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════════════════════
   SECTION SHARED
═══════════════════════════════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--violet);
  background: rgba(123,104,238,0.1);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  border: 1px solid rgba(123,104,238,0.2);
}

.section-title {
  color: var(--ink-deep);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── REVEAL ANIMATION ─── */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════
   FEATURES
═══════════════════════════════════════════════════════════ */
.features {
  padding: 120px 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 24px;
}

.feature-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet), var(--violet-soft));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

.feature-card:hover::before { transform: scaleX(1); }

.feature-large {
  grid-column: span 1;
  background: linear-gradient(135deg, var(--ink-deep), var(--ink-light));
  color: var(--white);
  border-color: transparent;
}

.feature-large h3 { color: var(--white); }
.feature-large p { color: rgba(255,255,255,0.7); }
.feature-large .feature-tags span {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  border-color: rgba(255,255,255,0.15);
}

.feature-large::before {
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.feature-icon-wrap {
  margin-bottom: 20px;
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 20px;
  display: block;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--ink-deep);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.feature-tags span {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(123,104,238,0.08);
  color: var(--violet);
  border: 1px solid rgba(123,104,238,0.15);
}

.feature-arrow {
  position: absolute;
  bottom: 28px; right: 28px;
  font-size: 1.5rem;
  color: var(--gold-light);
  opacity: 0.6;
}

/* ═══════════════════════════════════════════════════════════
   TOOLS / TASKBAR SECTION
═══════════════════════════════════════════════════════════ */
.tools-section {
  padding: 120px 0;
  background: var(--cream);
}

.tools-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  background: var(--white);
  padding: 8px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  flex-wrap: wrap;
}

.tool-tab {
  flex: 1;
  min-width: 120px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
  text-align: center;
}

.tool-tab:hover { color: var(--ink-deep); background: var(--lavender); }

.tool-tab.active {
  background: var(--ink-deep);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.tools-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  animation: panelFade 0.4s ease;
}

.tools-panel.active { display: grid; }

@keyframes panelFade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-left h3 {
  font-size: 2rem;
  color: var(--ink-deep);
  margin-bottom: 16px;
}

.panel-left p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 28px;
}

.panel-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.panel-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pf-icon {
  width: 22px; height: 22px;
  background: linear-gradient(135deg, var(--violet), var(--violet-soft));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ─── MOCK TOOLBARS ─── */
.mock-toolbar {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.toolbar-header {
  background: var(--ink-deep);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.tb-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  flex: 1;
}

.tb-actions { display: flex; gap: 8px; }

.tb-btn {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 6px;
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Manrope', sans-serif;
}

.tb-btn:hover { background: rgba(255,255,255,0.2); }
.tb-btn-outline { background: transparent; }

/* Kanban */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 16px;
}

.kanban-col { display: flex; flex-direction: column; gap: 8px; }

.kanban-col-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.kanban-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: grab;
  transition: var(--transition);
}

.kanban-card:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.kanban-card.active-card { border-left: 3px solid var(--violet); color: var(--ink-deep); }
.kanban-card.done-card { opacity: 0.5; text-decoration: line-through; }

/* Assignment List */
.assignment-list { padding: 12px 16px; display: flex; flex-direction: column; gap: 8px; }

.assign-row {
  display: grid;
  grid-template-columns: 70px 1fr 70px 60px;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--cream);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  transition: var(--transition);
}

.assign-row:hover { box-shadow: var(--shadow-sm); }
.assign-row.assign-urgent { background: #FFF5F5; border-color: #FCA5A5; }

.assign-subject {
  font-weight: 700;
  color: var(--violet);
  font-size: 0.75rem;
}

.assign-name { color: var(--text-primary); font-weight: 500; }
.assign-due { color: var(--text-muted); font-size: 0.72rem; text-align: center; }

.assign-priority {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 50px;
  text-align: center;
  font-family: 'Space Mono', monospace;
}

.p-high { background: #FEE2E2; color: #EF4444; }
.p-med  { background: #FEF3C7; color: #D97706; }
.p-low  { background: #D1FAE5; color: #059669; }

/* Study Schedule */
.study-schedule { padding: 16px; display: flex; flex-direction: column; gap: 10px; }

.sched-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sched-day {
  width: 36px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: 'Space Mono', monospace;
}

.sched-blocks { display: flex; gap: 8px; flex: 1; }

.sched-block {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
}

.sched-block.physics  { background: #7B68EE; }
.sched-block.maths    { background: #F59E0B; color: var(--ink-deep); }
.sched-block.history  { background: #10B981; }
.sched-block.chem     { background: #EF4444; }

/* Analytics */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 16px 16px 0;
}

.analytics-card {
  background: var(--cream);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
  border: 1px solid var(--border);
}

.analytics-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-deep);
  line-height: 1;
}

.analytics-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.analytics-trend {
  font-size: 0.65rem;
  font-weight: 700;
  margin-top: 4px;
}

.analytics-trend.up { color: #10B981; }
.analytics-trend.neutral { color: var(--violet); }

.bar-chart { padding: 16px; }

.bar-chart-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 80px;
}

.bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  height: 100%;
  justify-content: flex-end;
}

.bar-fill {
  width: 100%;
  background: linear-gradient(180deg, var(--violet), var(--violet-soft));
  border-radius: 4px 4px 0 0;
  transition: height 1s ease;
}

.bar-item span {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: 'Space Mono', monospace;
}

/* Calendar */
.mini-calendar { padding: 16px; }

.cal-days-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 8px;
}

.cal-days-header span {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: 'Space Mono', monospace;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-grid span {
  text-align: center;
  font-size: 0.75rem;
  padding: 6px 4px;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.cal-grid span:hover { background: var(--lavender); }
.cal-today { background: var(--ink-deep) !important; color: white !important; font-weight: 700; }
.cal-event { color: white !important; font-weight: 700; }
.physics-ev { background: #7B68EE !important; }
.maths-ev   { background: #F59E0B !important; color: var(--ink-deep) !important; }
.history-ev { background: #10B981 !important; }
.exam-ev    { background: #EF4444 !important; }

.cal-legend {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.leg-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.leg-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
}

/* ═══════════════════════════════════════════════════════════
   HOW IT WORKS
═══════════════════════════════════════════════════════════ */
.how-it-works {
  padding: 120px 0;
  background: var(--white);
}

.steps-grid {
  display: flex;
  align-items: center;
  gap: 0;
  justify-content: center;
}

.step-card {
  flex: 1;
  max-width: 300px;
  text-align: center;
  padding: 48px 32px;
  border-radius: var(--radius-lg);
  background: var(--cream);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--violet);
}

.step-number {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--violet);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.step-icon {
  font-size: 2.8rem;
  margin-bottom: 20px;
  display: block;
}

.step-card h3 {
  font-size: 1.3rem;
  color: var(--ink-deep);
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.step-connector {
  font-size: 2rem;
  color: var(--violet);
  opacity: 0.4;
  padding: 0 20px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   PRICING
═══════════════════════════════════════════════════════════ */
.pricing {
  padding: 120px 0;
  background: linear-gradient(160deg, var(--ink-deep), var(--ink-mid));
  position: relative;
  overflow: hidden;
}

.pricing::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(123,104,238,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123,104,238,0.08) 1px, transparent 1px);
  background-size: 60px 60px;
}

.pricing .section-tag { background: rgba(255,255,255,0.1); color: var(--gold-light); border-color: rgba(255,255,255,0.15); }
.pricing .section-title { color: var(--white); }
.pricing .section-sub { color: rgba(255,255,255,0.6); }

.pricing-wrapper {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.pricing-card-main {
  background: rgba(255,255,255,0.97);
  border-radius: var(--radius-xl);
  padding: 52px;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.pricing-card-main::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.pricing-badge-top {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--ink-deep);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 28px;
}

.pricing-amount {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  margin-bottom: 12px;
}

.price-currency {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--ink-deep);
  margin-top: 12px;
}

.price-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 6rem;
  font-weight: 700;
  color: var(--ink-deep);
  line-height: 1;
}

.price-period {
  font-size: 0.85rem;
  color: var(--text-muted);
  align-self: flex-end;
  margin-bottom: 12px;
}

.pricing-tagline {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

.pricing-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 40px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.pf-check {
  width: 20px; height: 20px;
  background: linear-gradient(135deg, var(--violet), var(--violet-soft));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-cta-area { text-align: center; }

.pricing-guarantee {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* Pricing Side */
.pricing-side { display: flex; flex-direction: column; gap: 24px; }

.pricing-compare {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(10px);
}

.pricing-compare h4 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 20px;
}

.compare-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.compare-row:last-child { border-bottom: none; }

.compare-price { font-weight: 600; color: rgba(255,255,255,0.8); }

.highlight-row { background: rgba(201,168,76,0.1); margin: 0 -28px; padding: 12px 28px; border-radius: 0; }
.highlight-row span { color: var(--white) !important; }
.highlight-price { color: var(--gold-light) !important; font-size: 1rem; }

.pricing-testimonial-mini {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(10px);
}

.pricing-testimonial-mini p {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  font-style: italic;
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
  margin-bottom: 20px;
}

.mini-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mini-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--violet);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.mini-author strong {
  display: block;
  font-size: 0.88rem;
  color: var(--white);
}

.mini-author span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

/* ═══════════════════════════════════════════════════════════
   TESTIMONIALS
═══════════════════════════════════════════════════════════ */
.testimonials {
  padding: 120px 0;
  background: var(--cream);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testi-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
}

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

.testi-stars {
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testi-card p {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testi-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  flex-shrink: 0;
}

.testi-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--ink-deep);
}

.testi-author span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   CTA BANNER
═══════════════════════════════════════════════════════════ */
.cta-banner {
  padding: 120px 0;
  background: linear-gradient(135deg, var(--ink-deep), var(--ink-light), #4A2090);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.cta-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(123,104,238,0.3), transparent 70%);
  top: -200px; left: -100px;
}

.cta-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(201,168,76,0.2), transparent 70%);
  bottom: -100px; right: 100px;
}

.cta-content { position: relative; z-index: 1; }

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 20px;
}

.cta-banner h2 em { color: var(--gold-light); }

.cta-banner p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.cta-sub {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-top: 20px;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════ */
.footer {
  background: var(--ink-deep);
  padding: 80px 0 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: var(--white); }

.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--violet);
  border-color: var(--violet);
  color: white;
  transform: translateY(-2px);
}

.footer-col h5 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 12px; }

.footer-col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

/* ═══════════════════════════════════════════════════════════
   MODAL
═══════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27,10,60,0.85);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(30px) scale(0.95);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.modal-overlay.open .modal-card {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--cream);
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.modal-close:hover { background: var(--lavender); color: var(--ink-deep); }

.modal-header { text-align: center; margin-bottom: 36px; }

.modal-icon { font-size: 3rem; margin-bottom: 12px; }

.modal-header h3 {
  font-size: 1.8rem;
  color: var(--ink-deep);
  margin-bottom: 8px;
}

.modal-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.modal-form { display: flex; flex-direction: column; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--cream);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus {
  border-color: var(--violet);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(123,104,238,0.1);
}

.form-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-divider::before, .form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.payment-amount-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pay-amount {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink-deep);
}

.payment-methods {
  display: flex;
  gap: 10px;
}

.pay-method {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--cream);
  transition: var(--transition);
  cursor: pointer;
  font-family: 'Manrope', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.pay-method:hover { border-color: var(--violet); color: var(--violet); }

.pay-method.active {
  border-color: var(--violet);
  background: rgba(123,104,238,0.08);
  color: var(--violet);
}

.btn-modal-enroll {
  width: 100%;
  justify-content: center;
  padding: 18px;
  font-size: 1rem;
}

.modal-guarantee {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ─── TOAST ─── */
.toast {
  position: fixed;
  bottom: 32px; right: 32px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-xl);
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
  max-width: 340px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon { font-size: 2rem; }

.toast strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ink-deep);
  margin-bottom: 2px;
}

.toast p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 120px 40px 80px;
    text-align: center;
  }

  .hero-content { max-width: 600px; margin: 0 auto; }
  .hero-subtitle { margin: 0 auto 40px; }
  .hero-cta-group { justify-content: center; }
  .hero-stats { margin: 0 auto; }
  .hero-dashboard { max-width: 500px; margin: 0 auto; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-large { grid-column: span 1; }

  .pricing-wrapper { grid-template-columns: 1fr; }
  .pricing-side { display: grid; grid-template-columns: 1fr 1fr; }

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

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--white);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    gap: 20px;
    z-index: 999;
  }

  .hamburger { display: flex; }

  .hero { padding: 100px 24px 60px; }

  .features-grid { grid-template-columns: 1fr; }

  .tools-panel.active { grid-template-columns: 1fr; }
  .panel-right { display: none; }

  .steps-grid { flex-direction: column; align-items: center; }
  .step-connector { transform: rotate(90deg); padding: 10px 0; }

  .pricing-features { grid-template-columns: 1fr; }
  .pricing-card-main { padding: 32px 24px; }
  .pricing-side { grid-template-columns: 1fr; }

  .testimonials-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .modal-card { padding: 32px 24px; }

  .tools-tabs { overflow-x: auto; }
  .tool-tab { min-width: 100px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 60px; height: 1px; }
  .hero-cta-group { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { justify-content: center; }
  .payment-methods { flex-direction: column; }
}