/* SOLAK - Unified Deep Dark Theme & Slate Coral Accents */

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

:root {
  /* Core Deep Dark Color Tokens */
  --bg-main: #080a0f;
  --bg-alt: #080a0f;
  --bg-card: #0e131f;
  --bg-footer: #080a0f;
  
  --border-light: rgba(249, 115, 22, 0.25);
  --border-hover: rgba(249, 115, 22, 0.6);
  
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent-coral: #f97316;
  --accent-coral-dark: #ea580c;
  --accent-amber: #fbbf24;
  --accent-emerald: #34d399;
  --accent-cyan: #22d3ee;
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 10px 30px -5px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 20px 50px -10px rgba(0, 0, 0, 0.9);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  color-scheme: dark;
}

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-color: var(--bg-main);
  perspective: 1200px;
}

/* Cursor Glow Follower Spotlight */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.18) 0%, rgba(251, 191, 36, 0.08) 40%, transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  will-change: transform;
}

/* Floating Vertical Scroll Progress Gauge */
.scroll-gauge {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.gauge-track {
  width: 3px;
  height: 140px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  position: relative;
  overflow: hidden;
}

.gauge-bar {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, #fbbf24 0%, #f97316 100%);
  border-radius: 9999px;
  transition: height 0.1s linear;
}

.gauge-text {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-coral);
  font-weight: 700;
  letter-spacing: 1px;
}

/* Container Utility */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Sticky Navbar - White Text */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  background: transparent;
}

.navbar.scrolled {
  padding: 14px 0;
  background: rgba(8, 10, 15, 0.94);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #ffffff;
}

.logo-badge {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(251, 191, 36, 0.2));
  border: 1px solid rgba(249, 115, 22, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-logo:hover .logo-badge {
  transform: rotate(12deg) scale(1.08);
}

.logo-text {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 20px;
  color: #ffffff !important;
  letter-spacing: 1px;
}

.logo-sub {
  font-size: 10px;
  font-family: var(--font-mono);
  color: #ffffff !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.85;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 5px;
  border-radius: 9999px;
  backdrop-filter: blur(12px);
}

.nav-link {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff !important; /* Pure White Navbar Text */
  text-decoration: none;
  border-radius: 9999px;
  transition: all 0.25s ease;
}

.nav-link:hover {
  color: #ffffff !important;
  background: rgba(249, 115, 22, 0.25);
}

/* CUSTOM CARDS */
.custom-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.88);
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.custom-card.active {
  background: #141a27;
  border-color: var(--accent-coral);
  box-shadow: 0 0 45px rgba(249, 115, 22, 0.35);
}

/* HERO SECTION */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--bg-main);
  padding-top: 140px;
  padding-bottom: 80px;
}

.hero-bg-wrapper {
  position: absolute;
  top: -15%;
  left: 0;
  width: 100%;
  height: 130%;
  z-index: 1;
  will-change: transform;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55) contrast(1.1);
  transform: scale(1.05);
  transition: transform 0.1s linear;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(180deg, rgba(8, 10, 15, 0.45) 0%, rgba(8, 10, 15, 0.15) 50%, #080a0f 100%),
    radial-gradient(ellipse at center, transparent 0%, rgba(8, 10, 15, 0.55) 100%);
}

.hero-glow-orb-1 {
  position: absolute;
  top: 20%;
  left: 15%;
  width: 450px;
  height: 450px;
  background: rgba(251, 191, 36, 0.14);
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 2;
  will-change: transform;
}

.hero-glow-orb-2 {
  position: absolute;
  bottom: 15%;
  right: 15%;
  width: 550px;
  height: 550px;
  background: rgba(249, 115, 22, 0.16);
  border-radius: 50%;
  filter: blur(160px);
  pointer-events: none;
  z-index: 2;
  will-change: transform;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
  will-change: transform, opacity;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(22, 27, 38, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(249, 115, 22, 0.3);
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-coral);
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(249, 115, 22, 0.18);
  animation: float-badge 3s ease-in-out infinite alternate;
}

@keyframes float-badge {
  0% { transform: translateY(0); }
  100% { transform: translateY(-6px); }
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  text-shadow: 0 0 50px rgba(249, 115, 22, 0.4), 0 4px 35px rgba(0, 0, 0, 0.95);
}

.hero-headline span {
  background: linear-gradient(135deg, #ffe066 0%, #34d399 55%, #ff7c2b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subheadline {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 400;
  color: #f3f4f6;
  margin-bottom: 36px;
  line-height: 1.6;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  font-size: 16px;
  font-weight: 700;
  color: #080a0f;
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  border: none;
  border-radius: 16px;
  text-decoration: none;
  box-shadow: 0 0 30px rgba(249, 115, 22, 0.45);
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 0 45px rgba(249, 115, 22, 0.65);
}

.hero-status-bar {
  padding: 16px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  text-align: left;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.status-icon.solar { background: rgba(251, 191, 36, 0.15); color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.3); }
.status-icon.battery { background: rgba(52, 211, 153, 0.15); color: #34d399; border: 1px solid rgba(52, 211, 153, 0.3); }
.status-icon.clock { background: rgba(34, 211, 238, 0.15); color: #22d3ee; border: 1px solid rgba(34, 211, 238, 0.3); }

.status-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
}

.status-val {
  font-size: 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #ffffff;
}

/* 2. REAL-TIME THREE.JS MECHANISM */
.mechanism-section {
  position: relative;
  height: 450vh;
  background-color: #080a0f;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.sticky-mechanism-container {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: 30px 0;
  background: radial-gradient(ellipse at center, rgba(249, 115, 22, 0.08) 0%, transparent 75%);
}

.section-header-tag {
  text-align: center;
  margin-bottom: 12px;
}

.tag-pill {
  display: inline-block;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-coral);
  background: rgba(249, 115, 22, 0.15);
  border: 1px solid rgba(249, 115, 22, 0.4);
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.5px;
  margin-top: 6px;
}

.mech-step-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.mech-step-pill {
  padding: 4px 12px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.mech-step-pill.active {
  background: rgba(249, 115, 22, 0.2);
  border-color: var(--accent-coral);
  color: var(--accent-coral);
  font-weight: 700;
  box-shadow: 0 0 15px rgba(249, 115, 22, 0.25);
}

.mechanism-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr 1fr;
  gap: 32px;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  height: 74vh;
}

.mech-card-container {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.mech-card {
  position: absolute;
  inset: 0;
  padding: 28px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(30px) scale(0.92);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.4s ease;
  will-change: opacity, transform;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mech-card.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.mech-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.mech-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.mech-icon.amber { background: rgba(251, 191, 36, 0.15); color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.3); }
.mech-icon.coral { background: rgba(249, 115, 22, 0.15); color: #f97316; border: 1px solid rgba(249, 115, 22, 0.3); }
.mech-icon.cyan { background: rgba(34, 211, 238, 0.15); color: #22d3ee; border: 1px solid rgba(34, 211, 238, 0.3); }

.mech-card-title {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
}

.mech-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.mech-flow-banner {
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(249, 115, 22, 0.3);
  font-family: var(--font-mono);
  font-size: 11px;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.mech-flow-arrow {
  color: var(--accent-coral);
  font-size: 14px;
}

.mech-specs-list {
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mech-spec-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

/* Three.js Real-Time 3D Viewport - Clean floating model without frame box or text container */
.mech-visual-wrapper {
  position: relative;
  width: 460px;
  height: 460px;
  margin: 0 auto;
  background: transparent;
  border: none;
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

#threeCanvas {
  width: 460px !important;
  height: 460px !important;
  display: block;
}

/* 3. CLEAN SPATIAL 3-SLOT 3D MOBILE APP EXPERIENCE SECTION */
.app-section {
  position: relative;
  height: 350vh;
  background-color: #080a0f;
  border-bottom: 1px solid var(--border-light);
}

.sticky-app-container {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse at center, rgba(249, 115, 22, 0.08) 0%, transparent 75%);
}

.spatial-stage-wrapper {
  display: grid;
  grid-template-columns: 1fr 310px 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
  height: 580px;
  position: relative;
}

.spatial-slot {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.spatial-slot.left-slot { justify-content: flex-end; }
.spatial-slot.right-slot { justify-content: flex-start; }

.spatial-phone-corridor {
  position: relative;
  width: 310px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

.app-select-card {
  position: absolute;
  width: 100%;
  max-width: 420px;
  padding: 30px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.94);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.4s ease;
  will-change: opacity, transform;
}

.app-select-card.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.app-card-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-coral);
  margin-bottom: 8px;
}

.app-card-title {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 8px;
}

.app-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 3D SMARTPHONE DEVICE SHELL & BOOT SCREEN */
.phone-device-frame {
  position: relative;
  width: 290px;
  height: 570px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-radius: 46px;
  border: 4px solid #334155;
  box-shadow: 0 35px 80px -10px rgba(0, 0, 0, 0.95), 
              0 0 60px rgba(249, 115, 22, 0.25),
              inset 0 0 15px rgba(255, 255, 255, 0.15);
  padding: 12px;
  transition: transform 0.1s linear;
  transform-style: preserve-3d;
  will-change: transform;
}

.phone-notch {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 18px;
  background: #020617;
  border-radius: 9999px;
  z-index: 30;
}

.phone-screen-viewport {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 36px;
  overflow: hidden;
  background: #080a0f;
}

.phone-screen-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

.phone-screen-img.active {
  opacity: 1;
  transform: scale(1);
}

.boot-pulsing-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  filter: drop-shadow(0 0 25px rgba(249, 115, 22, 0.6));
  animation: boot-pulse 2.2s ease-in-out infinite alternate;
}

@keyframes boot-pulse {
  0% { transform: scale(0.92); filter: drop-shadow(0 0 15px rgba(249, 115, 22, 0.4)); }
  100% { transform: scale(1.08); filter: drop-shadow(0 0 35px rgba(249, 115, 22, 0.8)); }
}

.phone-glass-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 40%, rgba(255,255,255,0.04) 100%);
  pointer-events: none;
  z-index: 25;
}

.phone-home-bar {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 9999px;
  z-index: 30;
}

.phone-reflection-shadow {
  width: 240px;
  height: 24px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.85) 0%, transparent 70%);
  margin: 16px auto 0 auto;
  transition: transform 0.1s linear;
}

/* 4. TECHNICAL SPECS SECTION */
.specs-section {
  padding: 120px 0;
  background-color: #080a0f;
  border-top: 1px solid var(--border-light);
}

.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.accordion-item {
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.accordion-header {
  width: 100%;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.accordion-title {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}

.accordion-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.3s ease;
  color: var(--text-secondary);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  background: rgba(249, 115, 22, 0.25);
  color: var(--accent-coral);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1), padding 0.4s ease;
  padding: 0 24px;
}

.accordion-item.active .accordion-body {
  max-height: 500px;
  padding: 0 24px 24px 24px;
  border-top: 1px solid var(--border-light);
}

/* 5. FOOTER SECTION */
.footer-section {
  position: relative;
  background-color: var(--bg-footer);
  color: #ffffff;
  padding: 100px 0 40px 0;
  overflow: hidden;
  border-top: 1px solid var(--border-light);
}

.rising-logo-wrapper {
  text-align: center;
  margin: 60px 0;
  will-change: transform, opacity;
  transition: transform 0.1s linear;
}

.rising-logo {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 10vw, 9rem);
  font-weight: 900;
  letter-spacing: 8px;
  background: linear-gradient(180deg, #ffffff 0%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  user-select: none;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .mechanism-grid, .spatial-stage-wrapper { grid-template-columns: 1fr; height: auto; gap: 20px; }
  .specs-grid { grid-template-columns: 1fr; }
  .cursor-glow, .scroll-gauge { display: none; }
  .mech-visual-wrapper { width: 340px; height: 340px; }
  #threeCanvas { width: 340px !important; height: 340px !important; }
}

@media (max-width: 640px) {
  .nav-menu { display: none; }
}