/* Color Palette & Variables */
:root {
  --brand-violet: #7c3aed;
  --brand-violet-hover: #6d28d9;
  --brand-sky: #0ea5e9;
  --brand-dark: #0f172a;
  --brand-text: #1e293b;
  --brand-light: #f8fafc;
  --brand-white: #ffffff;
  
  --bg-violet-light: rgba(124, 58, 237, 0.1);
  --bg-sky-light: rgba(14, 165, 233, 0.1);
  --bg-indigo-light: rgba(79, 70, 229, 0.1);
  --bg-green-light: rgba(34, 197, 94, 0.1);
  --bg-orange-light: rgba(249, 115, 22, 0.1);
  
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --radius-sm: 0.5rem;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  color: var(--brand-text);
  background-color: var(--brand-white);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

code {
  font-family: monospace;
  background: var(--brand-light);
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  color: var(--brand-violet);
  font-size: 0.9em;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Utilities */
.text-center { text-align: center; }
.text-violet { color: var(--brand-violet); }
.text-sky { color: var(--brand-sky); }
.text-white { color: var(--brand-white); }
.font-semibold { font-weight: 600; }
.hover-underline:hover { text-decoration: underline; }

.bg-gradient {
  background: linear-gradient(135deg, var(--brand-violet) 0%, var(--brand-sky) 100%);
}
.bg-gradient-dark {
  background: linear-gradient(135deg, var(--brand-dark) 0%, #1e1b4b 100%);
}
.text-transparent {
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.bg-light { background-color: var(--brand-light); }
.mt-6 { margin-top: 1.5rem; }
.mt-12 { margin-top: 3rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.max-w-2xl { max-width: 42rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.z-10 { position: relative; z-index: 10; }

/* Flex & Grid */
.flex-center {
  display: flex;
  align-items: center;
}
.justify-center { justify-content: center; }
.grid {
  display: grid;
  gap: 2rem;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 992px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-3 { grid-template-columns: 1fr; }
}
.gap-8 { gap: 2rem; }

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}
.btn-primary {
  background-color: var(--brand-violet);
  color: var(--brand-white);
  box-shadow: 0 4px 14px 0 rgba(124, 58, 237, 0.39);
}
.btn-primary:hover {
  background-color: var(--brand-violet-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.45);
}
.btn-outline {
  border: 1px solid rgba(124, 58, 237, 0.2);
  background-color: rgba(124, 58, 237, 0.05);
  color: var(--brand-violet);
}
.btn-outline:hover {
  background-color: rgba(124, 58, 237, 0.1);
  transform: translateY(-2px);
}
.btn-large {
  padding: 1rem 3rem;
  font-size: 1.125rem;
}
.badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: rgba(124, 58, 237, 0.08);
  color: var(--brand-violet);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(124, 58, 237, 0.2);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}
.header-inner {
  height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--brand-dark);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
}
.logo:hover {
  opacity: 0.9;
}
.logo-box {
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--brand-violet) 0%, var(--brand-sky) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-right: 0.75rem;
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
}
.logo-box.small {
  width: 2rem;
  height: 2rem;
  font-size: 1.2rem;
}

/* Sections */
section {
  padding: 7rem 0;
}
.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.section-subtitle, .section-desc {
  font-size: 1.125rem;
  color: #64748b;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* Hero Section */
.hero {
  padding: 8rem 0 6rem;
  min-height: 85vh;
  display: flex;
  align-items: center;
}
.bg-grid {
  background-image: radial-gradient(rgba(124, 58, 237, 0.15) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-bg-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(14,165,233,0.15) 0%, rgba(124,58,237,0.05) 50%, rgba(255,255,255,0) 70%);
  z-index: 0;
  pointer-events: none;
}
.hero-title {
  font-size: 4.5rem;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  color: var(--brand-dark);
}
.hero-subtitle {
  font-size: 1.5rem;
  color: var(--brand-text);
  margin-bottom: 1rem;
  font-weight: 500;
}
.supporting-line {
  font-size: 1.125rem;
  color: #64748b;
  margin-bottom: 3rem;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
}
.feature-list {
  list-style: none;
  margin-top: 2rem;
}
.feature-list li {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--brand-text);
}

/* Glass Cards */
.glass-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(124, 58, 237, 0.15);
}

/* Features */
.feature-card {
  text-align: left;
}
.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--brand-dark);
}
.feature-card p {
  color: #64748b;
  font-size: 0.95rem;
}
.icon-box {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}
.icon-box.center {
  margin: 0 auto 1.5rem;
}
.bg-violet-light { background: var(--bg-violet-light); color: var(--brand-violet); }
.bg-sky-light { background: var(--bg-sky-light); color: var(--brand-sky); }
.bg-indigo-light { background: var(--bg-indigo-light); color: #4f46e5; }
.bg-green-light { background: var(--bg-green-light); color: #22c55e; }
.bg-orange-light { background: var(--bg-orange-light); color: #f97316; }

/* Apply Cards */
.who-apply { 
  padding: 8rem 0; 
}
.apply-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: transform 0.3s, background 0.3s;
}
.apply-card:hover { 
  transform: translateY(-5px); 
  background: rgba(255,255,255,0.08); 
  border-color: rgba(255,255,255,0.1);
}
.apply-icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
}
.apply-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--brand-white);
}
.apply-card p {
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
}

/* Bring Your Own */
.bring-your-own .cta-box {
  padding: 5rem 2rem;
}
.border-violet { border-color: rgba(124, 58, 237, 0.2); }
.cta-glow {
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: var(--bg-violet-light);
  filter: blur(80px);
  border-radius: 50%;
}

/* How It Works Timeline */
.step {
  position: relative;
  padding: 2.5rem 2rem;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.03);
}
.step-num {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--brand-violet);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 1.5rem;
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
}
.step h3 { margin-bottom: 0.75rem; font-size: 1.25rem; color: var(--brand-dark); }
.step p { color: #64748b; font-size: 0.95rem; line-height: 1.6; }

/* Footer */
.footer {
  padding: 4rem 0 3rem;
  border-top: 1px solid rgba(0,0,0,0.05);
}

/* Animations */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}
.fade-up {
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-title { font-size: 3rem; }
  .section-title { font-size: 2rem; }
  .sm-hidden { display: none; }
  section { padding: 4rem 0; }
  .hero { padding: 6rem 0 4rem; min-height: 70vh; }
  .about-card.glass-card { margin-top: 2rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.5rem; }
  .btn-large { padding: 0.875rem 2rem; width: 100%; display: flex; }
}

/* Reveal on Scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Accordion */
.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.05);
  padding: 1.5rem 0;
  cursor: pointer;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--brand-dark);
}
.faq-icon {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--brand-violet);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, margin-top 0.4s ease, opacity 0.4s ease;
  color: #64748b;
  opacity: 0;
}
.faq-item.active .faq-answer {
  max-height: 200px;
  margin-top: 1rem;
  opacity: 1;
}

/* Mouse gradient effect on cards */
.glass-card, .apply-card {
  position: relative;
  overflow: hidden;
}
.glass-card::before, .apply-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(124, 58, 237, 0.08), transparent 40%);
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.apply-card::before {
  background: radial-gradient(600px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255, 255, 255, 0.1), transparent 40%);
}
.glass-card:hover::before, .apply-card:hover::before {
  opacity: 1;
}
.glass-card > *, .apply-card > * {
  position: relative;
  z-index: 10;
}

/* Extra hero transition */
.hero-bg-glow {
  transition: transform 0.1s ease-out;
}

/* Stepper Component */
.stepper {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 500px;
  margin: 2rem auto;
}
.stepper-item {
  display: flex;
  width: 100%;
  align-items: center;
}
.stepper-item:not(:last-child)::after {
  content: '';
  width: 100%;
  height: 4px;
  background-color: #e2e8f0;
  display: inline-block;
  margin-left: 1rem;
  margin-right: 1rem;
  border-radius: 9999px;
}
.stepper-item.completed:not(:last-child)::after {
  background-color: rgba(124, 58, 237, 0.3);
}
.stepper-item:last-child {
  width: auto;
}
.stepper-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  flex-shrink: 0;
}
@media (min-width: 1024px) {
  .stepper-icon { width: 3rem; height: 3rem; }
}
.stepper-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}
.stepper-icon.completed {
  background-color: var(--bg-violet-light);
  color: var(--brand-violet);
}
.stepper-icon.pending {
  background-color: #f1f5f9;
  color: #94a3b8;
}