/* ===== Clean Professional Design System ===== */
:root {
    /* Sophisticated Color Palette */
    /* Sophisticated Color Palette */
    --primary: #f97316;
    /* Orange 500 */
    --primary-hover: #ea580c;
    /* Orange 600 */
    --secondary: #0f172a;
    /* Slate 900 */
    --accent: #f59e0b;
    /* Amber 500 */

    /* Neutral Tones - Low Saturation */
    --bg-white: #fcfcfc;
    --bg-soft: #f8fafc;
    --bg-muted: #f1f5f9;
    --bg-primary-light: #fdf7f2;

    /* Text */
    --text-main: #0f172a;
    --text-sec: #334155;
    --text-muted: #64748b;

    /* Structure - IOS Corners */
    --border: #eef2f6;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --radius-xl: 44px;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 6rem;

    /* Elevation */
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --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);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);

    /* Vars */
    --nav-height: 72px;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

/* ===== Typography ===== */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.25;
}

.section-label {
    display: inline-block;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.5rem 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-container {
    height: var(--nav-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.brand-name {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--secondary);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-sec);
    letter-spacing: -0.01em;
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary);
    background: #fff7ed;
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--secondary);
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
    padding: calc(var(--nav-height) + 120px) 0 100px;
    background: radial-gradient(circle at top right, #fff7ed, transparent 40%),
        radial-gradient(circle at bottom left, #fff7ed, transparent 40%);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    padding: 6px 16px;
    background: #fff7ed;
    border: 1px solid #ffedd5;
    border-radius: 99px;
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--secondary);
    word-wrap: break-word;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-sec);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.app-screenshot {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    margin: 0 auto;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, #f97316, #fb923c);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.4);
    background: linear-gradient(135deg, #ea580c, #f97316);
}

.btn-secondary {
    background: white;
    color: var(--secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-soft);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: white;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
}

/* Play Store Badge Styling */
.play-store-badge {
    height: 52px;
    display: inline-flex;
    align-items: center;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.play-store-badge img {
    height: 100%;
    width: auto;
    border-radius: 8px;
    transition: box-shadow 0.3s ease;
}

.play-store-badge:hover {
    transform: translateY(-2px);
}

.play-store-badge:hover img {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* ===== Download Options ===== */
.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card-featured {
    border: 2px solid var(--primary);
    background: #fff7ed;
    position: relative;
    overflow: hidden;
}

.badge-recommended {
    background: var(--primary);
    color: white;
    display: inline-block;
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.btn-full {
    width: 100%;
}

.tester-actions {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.tester-card {
    max-width: 400px;
    text-align: center;
    flex: 1;
    min-width: 280px;
}

section {
    padding: 100px 0;
    scroll-margin-top: var(--nav-height);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.bg-soft {
    background-color: var(--bg-soft);
}

.bg-primary-light {
    background-color: var(--bg-primary-light);
}

/* ===== Simple Card Design ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.simple-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    word-break: break-word;
    overflow-wrap: break-word;
}

.simple-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.card-icon-box {
    width: 48px;
    height: 48px;
    background: var(--bg-soft);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.25rem;
    font-weight: 700;
}

/* ===== Screenshots Gallary ===== */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.device-frame {
    background: white;
    padding: 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.4s ease;
    overflow: hidden;
    border: 1px solid var(--border);
}

.device-frame:hover {
    transform: scale(1.02);
}

.device-frame img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* ===== Countdown Section ===== */
.countdown-box {
    text-align: center;
    max-width: 800px;
    margin: 4rem auto;
    padding: var(--space-lg);
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.countdown-timer {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.time-unit {
    background: var(--bg-soft);
    padding: 1.5rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.time-unit span:first-child {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.time-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.125rem;
}

/* ===== Modern FAQ ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-card {
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.faq-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 1.5rem;
    background: white;
    border: none;
    cursor: pointer;
    text-align: left;
    font-weight: 600;
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-card.active .faq-content {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

/* ===== Footer ===== */
.footer {
    padding: 80px 0 40px;
    background: var(--secondary);
    color: #94a3b8;
}

.footer h3 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-link {
    display: block;
    margin-bottom: 0.75rem;
}

.footer-link:hover {
    color: white;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid #334155;
    text-align: center;
    font-size: 0.875rem;
}

/* ===== Mobile & Responsive ===== */
@media (max-width: 1080px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 20px 0 40px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        border-top: none;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
    }

    .nav-link {
        font-size: 1.25rem;
        padding: 1rem;
        width: 100%;
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    .hero-content {
        padding-top: 40px;
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* ===== Professional Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-scale {
    animation: scaleIn 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

.stagger-4 {
    transition-delay: 0.4s;
}


@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background: white;
        flex-direction: column;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
        display: flex;
        border-top: 1px solid var(--border);
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    .hero-content {
        padding-top: 40px;
    }
}