:root {
    /* Shakomako App Exact Theme Palette */
    --primary: #6366F1;
    --primary-light: #818CF8;
    --primary-dark: #4F46E5;
    --secondary: #F43F5E;
    --secondary-light: #FB7185;
    --accent-cyan: #38BDF8;
    --accent-emerald: #10B981;
    
    /* Backgrounds */
    --bg-main: #0B0F19;
    --bg-surface: #111827;
    --bg-card: rgba(17, 24, 39, 0.75);
    --bg-card-hover: rgba(31, 41, 55, 0.85);
    
    /* Text */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    /* Borders & Glows */
    --border-subtle: rgba(255, 255, 255, 0.07);
    --border-glow: rgba(99, 102, 241, 0.35);
    --glow-primary: rgba(99, 102, 241, 0.25);
    --glow-secondary: rgba(244, 63, 94, 0.25);
    --glow-cyan: rgba(56, 189, 248, 0.25);
    
    /* Glass & Shadows */
    --glass-bg: rgba(17, 24, 39, 0.65);
    --glass-blur: blur(20px);
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 50px -10px var(--glow-primary);
    
    /* Compatibility Tokens */
    --card-bg: rgba(17, 24, 39, 0.75);
    --card-hover-bg: rgba(31, 41, 55, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 102, 241, 0.4);
    --accent-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
    --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --badge-bg: rgba(99, 102, 241, 0.15);
    --badge-border: rgba(99, 102, 241, 0.3);
    --badge-text: #818CF8;
    
    /* Gradients */
    --grad-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
    --grad-rose: linear-gradient(135deg, #F43F5E 0%, #FB7185 100%);
    --grad-ocean: linear-gradient(135deg, #0EA5E9 0%, #2563EB 50%, #6366F1 100%);
    --grad-dark: linear-gradient(180deg, rgba(17, 24, 39, 0) 0%, #0B0F19 100%);
}

[data-theme="light"] {
    --bg-main: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --border-subtle: rgba(148, 163, 184, 0.2);
    --border-glow: rgba(99, 102, 241, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --shadow-soft: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Tajawal', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    transition: background-color 0.4s ease, color 0.4s ease;
    -webkit-font-smoothing: antialiased;
}

/* Ambient Background Lights */
.bg-ambient-lights {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.light-blob-1 {
    position: absolute;
    top: -200px;
    right: 15%;
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, var(--glow-primary) 0%, rgba(99, 102, 241, 0) 70%);
    filter: blur(80px);
}

.light-blob-2 {
    position: absolute;
    top: 600px;
    left: 5%;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, var(--glow-cyan) 0%, rgba(56, 189, 248, 0) 70%);
    filter: blur(90px);
}

.light-blob-3 {
    position: absolute;
    top: 1500px;
    right: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--glow-secondary) 0%, rgba(244, 63, 94, 0) 70%);
    filter: blur(90px);
}

/* Navigation Bar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.9rem 7%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 0.7rem 7%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    box-shadow: 0 4px 15px var(--glow-primary);
    object-fit: cover;
}

.brand-name {
    font-size: 1.4rem;
    font-weight: 900;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.25s ease;
    position: relative;
    padding: 6px 0;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--grad-primary);
    transition: width 0.25s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    transition: all 0.25s ease;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.nav-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.55rem 1.25rem;
    border-radius: 12px;
    background: var(--grad-primary);
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px var(--glow-primary);
    transition: all 0.25s ease;
}

.nav-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--glow-primary);
}

/* Hero Section */
.hero-section {
    position: relative;
    z-index: 2;
    padding: 9rem 7% 5rem;
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
}

.pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10B981;
    box-shadow: 0 0 10px #10B981;
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

.hero-title {
    font-size: clamp(2.5rem, 4.5vw, 4rem);
    font-weight: 900;
    line-height: 1.18;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-title .highlight {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
}

.hero-desc {
    font-size: clamp(1.05rem, 1.25vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 2.25rem;
    max-width: 580px;
}

/* Download Store Buttons */
.store-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.play-btn {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 0.85rem 1.75rem;
    background: #000000;
    color: #FFFFFF;
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.play-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s ease;
}

.play-btn:hover::before {
    left: 100%;
}

.play-btn:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
    box-shadow: 0 12px 35px var(--glow-primary);
}

.play-icon-wrap {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-text {
    display: flex;
    flex-direction: column;
}

.play-text-top {
    font-size: 0.72rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
    font-weight: 600;
}

.play-text-main {
    font-size: 1.25rem;
    font-weight: 900;
    color: #FFFFFF;
    line-height: 1.2;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.85rem 1.25rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 600;
}

/* Trust Signals */
.trust-row {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.92rem;
    font-weight: 600;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.trust-stars {
    color: #FBBF24;
    letter-spacing: 2px;
}

/* Interactive Device Showcase */
.device-showcase {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.device-frame {
    width: 330px;
    height: 660px;
    background: #000000;
    border-radius: 48px;
    padding: 12px;
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8),
                0 0 0 1px rgba(255, 255, 255, 0.15),
                0 0 40px -5px var(--glow-primary);
    position: relative;
    z-index: 10;
    transition: transform 0.4s ease;
}

.device-screen {
    width: 100%;
    height: 100%;
    background: #0F172A;
    border-radius: 38px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Dynamic Island */
.dynamic-island {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 105px;
    height: 28px;
    background: #000000;
    border-radius: 20px;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
}

.island-camera {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #111827;
    border: 1px solid #1F2937;
}

.island-sensor {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #0F172A;
}

/* Screen App Status Bar */
.screen-status-bar {
    padding: 14px 22px 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
    z-index: 20;
}

/* Interactive Tabs on Phone */
.app-screen-view {
    flex: 1;
    display: none;
    flex-direction: column;
    animation: fadeInSlide 0.35s ease forwards;
}

.app-screen-view.active {
    display: flex;
}

@keyframes fadeInSlide {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Screen 1: Chat View */
.mockup-chat-header {
    padding: 8px 16px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #1E293B;
    border-bottom: 1px solid var(--border-subtle);
}

.mockup-avatar-wrap {
    position: relative;
    width: 38px;
    height: 38px;
}

.mockup-avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    color: white;
}

.mockup-online-dot {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #10B981;
    border: 2px solid #1E293B;
}

.mockup-user-name {
    font-size: 0.9rem;
    font-weight: 800;
    color: #FFFFFF;
}

.mockup-user-sub {
    font-size: 0.7rem;
    color: #10B981;
    font-weight: 600;
}

.mockup-chat-body {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
}

.chat-bubble-real {
    max-width: 82%;
    padding: 10px 14px;
    border-radius: 18px;
    font-size: 0.85rem;
    line-height: 1.4;
    position: relative;
}

.chat-bubble-real.other {
    align-self: flex-start;
    background: #1E293B;
    color: #F8FAFC;
    border-bottom-left-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.chat-bubble-real.user {
    align-self: flex-end;
    background: var(--primary);
    color: #FFFFFF;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 15px var(--glow-primary);
}

.chat-meta {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    font-size: 0.65rem;
    opacity: 0.8;
    margin-top: 4px;
}

.blue-read-ticks {
    color: #38BDF8;
    font-weight: 900;
    display: inline-flex;
}

.mockup-chat-input-row {
    padding: 10px 12px;
    background: #1E293B;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 8px;
}

.mockup-fake-input {
    flex: 1;
    height: 36px;
    background: #0F172A;
    border-radius: 18px;
    padding: 0 14px;
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.mockup-send-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--grad-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px var(--glow-primary);
}

/* Screen 2: Bottle Screen */
.mockup-bottle-screen {
    flex: 1;
    background: radial-gradient(circle at 50% 30%, #1E3A8A 0%, #0F172A 70%);
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    text-align: center;
}

.bottle-water-art {
    width: 110px;
    height: 110px;
    background: rgba(56, 189, 248, 0.15);
    border: 2px solid rgba(56, 189, 248, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin-top: 2rem;
    box-shadow: 0 0 35px var(--glow-cyan);
    animation: bottleFloat 3s ease-in-out infinite;
}

@keyframes bottleFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(6deg); }
}

.bottle-popup-card {
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 20px;
    padding: 16px;
    text-align: center;
    width: 100%;
    backdrop-filter: blur(10px);
}

.bottle-sender-tag {
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-weight: 700;
    margin-bottom: 6px;
}

.bottle-msg-text {
    font-size: 0.88rem;
    color: #F8FAFC;
    line-height: 1.4;
    margin-bottom: 12px;
}

.bottle-action-btn {
    width: 100%;
    padding: 8px 0;
    border-radius: 12px;
    background: var(--grad-ocean);
    color: white;
    font-size: 0.82rem;
    font-weight: 800;
    border: none;
    cursor: pointer;
}

/* Screen 3: Live Call Screen */
.mockup-call-screen {
    flex: 1;
    background: linear-gradient(180deg, #1E1B4B 0%, #0F172A 100%);
    padding: 30px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.caller-avatar-giant {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    font-weight: 900;
    color: white;
    box-shadow: 0 0 40px var(--glow-primary);
    position: relative;
}

.caller-pulse-ring {
    position: absolute;
    inset: -12px;
    border-radius: 50%;
    border: 2px solid var(--primary-light);
    opacity: 0.6;
    animation: ringPulse 2s infinite;
}

@keyframes ringPulse {
    0% { transform: scale(0.9); opacity: 0.8; }
    100% { transform: scale(1.3); opacity: 0; }
}

.call-timer-badge {
    padding: 4px 14px;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.4);
    border-radius: 20px;
    color: #10B981;
    font-size: 0.8rem;
    font-weight: 700;
    margin-top: 10px;
}

/* Waveform Visualizer */
.waveform-container {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 36px;
    margin: 1.5rem 0;
}

.wave-bar {
    width: 4px;
    border-radius: 4px;
    background: var(--accent-cyan);
    animation: soundWave 1.2s ease-in-out infinite alternate;
}

.wave-bar:nth-child(1) { height: 12px; animation-delay: 0.1s; }
.wave-bar:nth-child(2) { height: 28px; animation-delay: 0.3s; }
.wave-bar:nth-child(3) { height: 36px; animation-delay: 0.5s; }
.wave-bar:nth-child(4) { height: 18px; animation-delay: 0.2s; }
.wave-bar:nth-child(5) { height: 32px; animation-delay: 0.4s; }
.wave-bar:nth-child(6) { height: 14px; animation-delay: 0.6s; }

@keyframes soundWave {
    0% { transform: scaleY(0.3); }
    100% { transform: scaleY(1); }
}

.call-ctrl-row {
    display: flex;
    gap: 16px;
}

.call-btn-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
}

.call-btn-circle.mute { background: rgba(255, 255, 255, 0.15); }
.call-btn-circle.end { background: #EF4444; box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4); }

/* Switcher Buttons under Device */
.device-tabs-row {
    display: flex;
    gap: 8px;
    margin-top: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 6px;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    z-index: 10;
}

.device-tab-btn {
    padding: 8px 16px;
    border-radius: 10px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.device-tab-btn.active {
    background: var(--primary);
    color: #FFFFFF;
    box-shadow: 0 4px 15px var(--glow-primary);
}

/* Floating Badges around Phone */
.floating-glass-pill {
    position: absolute;
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 10px 18px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 800;
    box-shadow: var(--shadow-soft);
    z-index: 25;
}

.pill-pos-1 {
    top: 22%;
    right: -30px;
    animation: float1 5s ease-in-out infinite;
}

.pill-pos-2 {
    bottom: 25%;
    left: -35px;
    animation: float2 6s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(12px); }
}

/* Interactive Bottle Sea Experience (Playground) */
.bottle-playground-section {
    position: relative;
    z-index: 2;
    padding: 6rem 7%;
    max-width: 1200px;
    margin: 0 auto;
}

.bottle-interactive-box {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.35) 0%, rgba(15, 23, 42, 0.8) 100%);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 32px;
    padding: 3.5rem 3rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.bottle-interactive-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 70% 30%, rgba(56, 189, 248, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.interactive-title {
    font-size: clamp(1.8rem, 2.5vw, 2.4rem);
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 1rem;
}

.interactive-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

.throw-bottle-card {
    background: rgba(17, 24, 39, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    position: relative;
}

.bottle-textarea {
    width: 100%;
    height: 100px;
    background: rgba(15, 23, 42, 0.8);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 14px;
    color: #FFFFFF;
    font-family: inherit;
    font-size: 0.95rem;
    resize: none;
    outline: none;
    transition: border-color 0.25s ease;
    margin-bottom: 1rem;
}

.bottle-textarea:focus {
    border-color: var(--accent-cyan);
}

.throw-btn {
    width: 100%;
    padding: 14px;
    border-radius: 14px;
    background: var(--grad-ocean);
    color: white;
    font-weight: 800;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 6px 20px var(--glow-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
}

.throw-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--glow-cyan);
}

.bottle-result-box {
    margin-top: 1.25rem;
    padding: 14px 18px;
    border-radius: 14px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: #F8FAFC;
    font-size: 0.92rem;
    display: none;
    animation: fadeInUp 0.4s ease forwards;
}

/* Bento Grid Features Section */
.bento-section {
    position: relative;
    z-index: 2;
    padding: 5rem 7%;
    max-width: 1250px;
    margin: 0 auto;
}

.section-head {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 3.5rem;
}

.head-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.head-title {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 1rem;
}

.head-sub {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Bento Grid Layout */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(240px, auto);
    gap: 1.5rem;
}

.bento-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 28px;
    padding: 2.25rem 2rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: var(--glass-blur);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.bento-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-soft);
}

.bento-span-2 {
    grid-column: span 2;
}

.bento-icon-glow {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
}

.bento-icon-glow.blue {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-cyan);
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.bento-icon-glow.indigo {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.bento-icon-glow.rose {
    background: rgba(244, 63, 94, 0.15);
    color: var(--secondary-light);
    border: 1px solid rgba(244, 63, 94, 0.3);
}

.bento-icon-glow.green {
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.bento-card-title {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
}

.bento-card-desc {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.6;
}

/* Security Guarantee Strip */
.security-banner-strip {
    position: relative;
    z-index: 2;
    padding: 3rem 7%;
    max-width: 1200px;
    margin: 2rem auto 4rem;
}

.security-box {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(15, 23, 42, 0.6) 100%);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 24px;
    padding: 2rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.security-text-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.security-shield-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: rgba(16, 185, 129, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #10B981;
}

.security-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 0.25rem;
}

.security-sub {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.privacy-link-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.25s ease;
}

.privacy-link-btn:hover {
    background: #FFFFFF;
    color: #0F172A;
}

/* FAQ Accordion Section */
.faq-section {
    position: relative;
    z-index: 2;
    padding: 5rem 7%;
    max-width: 850px;
    margin: 0 auto;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    overflow: hidden;
    transition: border-color 0.25s ease;
}

.faq-item.active {
    border-color: var(--border-glow);
}

.faq-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    user-select: none;
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    font-size: 1.1rem;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: white;
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
    padding: 0 1.5rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.98rem;
}

.faq-item.active .faq-body {
    max-height: 200px;
    padding-bottom: 1.5rem;
}

/* Bottom Call to Action Banner */
.bottom-cta {
    position: relative;
    z-index: 2;
    padding: 5rem 7% 7rem;
    max-width: 1100px;
    margin: 0 auto;
}

.bottom-cta-box {
    background: var(--grad-primary);
    border-radius: 36px;
    padding: 4rem 3rem;
    text-align: center;
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px var(--glow-primary);
}

.bottom-cta-title {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 900;
    margin-bottom: 1rem;
}

.bottom-cta-sub {
    font-size: 1.15rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.cta-play-btn-white {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 0.9rem 2.25rem;
    background: #FFFFFF;
    color: #0F172A;
    border-radius: 18px;
    font-size: 1.1rem;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.25s ease;
}

.cta-play-btn-white:hover {
    transform: translateY(-4px);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-subtle);
    padding: 4rem 7% 2.5rem;
    position: relative;
    z-index: 2;
    background: rgba(11, 15, 25, 0.9);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.footer-copy-text {
    max-width: 1200px;
    margin: 2rem auto 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.88rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Mobile & Tablet Responsiveness */
@media (max-width: 990px) {
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 7.5rem;
        gap: 3.5rem;
    }

    .hero-desc {
        margin: 0 auto 2.25rem;
    }

    .store-buttons {
        justify-content: center;
    }

    .trust-row {
        justify-content: center;
    }

    .device-showcase {
        margin-top: 1rem;
    }

    .bottle-interactive-box {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2.5rem 2rem;
    }

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

    .bento-span-2 {
        grid-column: span 2;
    }
}

@media (max-width: 680px) {
    nav {
        padding: 0.75rem 1rem;
    }

    .nav-links {
        display: none;
    }

    .hero-section {
        padding: 5.5rem 1.25rem 3.5rem;
    }

    .device-frame {
        width: 290px;
        height: 580px;
        border-radius: 40px;
    }

    .pill-pos-1, .pill-pos-2 {
        display: none;
    }

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

    .bento-span-2 {
        grid-column: span 1;
    }

    .bottle-playground-section,
    .bento-section,
    .faq-section,
    .bottom-cta {
        padding: 3.5rem 1.25rem;
    }

    .security-box {
        flex-direction: column;
        text-align: center;
    }

    .security-text-group {
        flex-direction: column;
    }

    .privacy-link-btn {
        width: 100%;
        text-align: center;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-copy-text {
        flex-direction: column;
        text-align: center;
    }
}