/* ========== CSS Custom Properties & Reset ========== */
:root {
    --primary: #29B6F6;
    --primary-dark: #0288D1;
    --accent: #00D4FF;
    --bg-white: #FFFFFF;
    --bg-dark: #0F172A;
    --text-primary: #1F2937;
    --text-secondary: #64748B;
    --border: #E5E7EB;
    --radius-sm: 12px;
    --radius: 16px;
    --radius-lg: 20px;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.08);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section--alt {
    background: #F8FAFC;
}

.section--accent {
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F7FA 100%);
}

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

.section__tag {
    display: inline-block;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    color: var(--primary-dark);
    background: rgba(41, 182, 246, 0.1);
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.section__heading {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 800;
    color: #0F172A;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section__subheading {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    z-index: 9999;
    font-weight: 600;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 0;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
    font-family: var(--font);
}

.btn--primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 8px 20px rgba(41, 182, 246, 0.3);
}
.btn--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(2, 136, 209, 0.3);
}

.btn--outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}
.btn--outline:hover {
    background: rgba(41, 182, 246, 0.08);
    transform: translateY(-2px);
}

.btn--lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}
.btn--sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.4);
    z-index: 1000;
    transition: background 0.3s, box-shadow 0.3s;
}
.navbar--scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}
.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.navbar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.4rem;
    color: #0F172A;
}
.navbar__logo-icon {
    width: 38px;
    height: 38px;
}
.navbar__links {
    display: flex;
    gap: 32px;
}
.navbar__link {
    font-weight: 500;
    color: var(--text-primary);
    transition: color 0.2s;
    position: relative;
}
.navbar__link:hover {
    color: var(--primary);
}
.navbar__hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}
.navbar__hamburger span {
    width: 100%;
    height: 2px;
    background: #1F2937;
    border-radius: 2px;
    transition: var(--transition);
}
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: white;
    box-shadow: var(--shadow-lg);
    padding: 24px 0;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.mobile-menu--open {
    transform: translateY(0);
    opacity: 1;
}
.mobile-menu__link {
    font-size: 1.1rem;
    font-weight: 500;
    padding: 12px 24px;
    width: 100%;
    text-align: center;
    transition: background 0.2s;
}
.mobile-menu__link:hover {
    background: #F1F5F9;
}

/* ========== HERO ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}
.hero__decoration {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    z-index: 0;
}
.hero__decoration--1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
}
.hero__decoration--2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -150px;
    left: -50px;
}
.hero__decoration--3 {
    width: 300px;
    height: 300px;
    background: #0288D1;
    top: 40%;
    left: 50%;
    opacity: 0.08;
}
.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(41, 182, 246, 0.1);
    padding: 8px 18px;
    border-radius: 40px;
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 0.9rem;
    margin-bottom: 24px;
}
.hero__headline {
    font-size: clamp(2.8rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1px;
    color: #0F172A;
    margin-bottom: 24px;
}
.hero__headline-highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 480px;
    line-height: 1.7;
}
.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}
.hero__stats {
    display: flex;
    gap: 32px;
}
.hero__stat-number {
    font-weight: 800;
    font-size: 1.8rem;
    color: #0F172A;
    display: block;
}
.hero__stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
}
.phone-mockup--hero {
    max-width: 320px;
    margin: 0 auto;
}
.phone-mockup__frame {
    background: #1a1a2e;
    border-radius: 36px;
    padding: 12px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    position: relative;
    border: 2px solid #2d2d44;
}
.phone-mockup__notch {
    width: 80px;
    height: 24px;
    background: #1a1a2e;
    border-radius: 0 0 16px 16px;
    margin: 0 auto 8px;
}
.phone-mockup__screen {
    background: #0F172A;
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 9 / 19;
    position: relative;
}
.phone-mockup__shadow {
    position: absolute;
    bottom: -20px;
    left: 10%;
    width: 80%;
    height: 40px;
    background: radial-gradient(ellipse, rgba(0,0,0,0.3) 0%, transparent 70%);
    filter: blur(10px);
}

/* Mock Screen Content */
.mock-screen {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 12px;
    background: linear-gradient(145deg, #111827 0%, #0F172A 100%);
    color: white;
}
.mock-screen__status-bar {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    opacity: 0.7;
    margin-bottom: 8px;
}
.mock-screen__app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-weight: 700;
    font-size: 1.1rem;
}
.mock-screen__tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
    overflow-x: auto;
}
.mock-screen__tab {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    background: rgba(255,255,255,0.08);
    white-space: nowrap;
}
.mock-screen__tab--active {
    background: var(--primary);
    font-weight: 600;
}
.mock-screen__channels {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}
.mock-channel {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 8px;
}
.mock-channel__thumb {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    flex-shrink: 0;
}
.mock-channel__info {
    flex: 1;
}
.mock-channel__name {
    font-weight: 600;
    font-size: 0.8rem;
}
.mock-channel__program {
    font-size: 0.65rem;
    opacity: 0.7;
}
.mock-channel__live-dot {
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    box-shadow: 0 0 6px #ef4444;
}
.mock-screen__bottom-nav {
    display: flex;
    justify-content: space-around;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}
.mock-screen__nav-item--active {
    color: var(--primary);
}
.mock-screen__radio-player {
    text-align: center;
    padding: 10px 0;
}
.mock-radio__freq {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
}
.mock-radio__name {
    font-size: 0.85rem;
    opacity: 0.8;
}
.mock-radio__visualizer {
    display: flex;
    justify-content: center;
    gap: 3px;
    margin-top: 8px;
}
.mock-radio__visualizer span {
    width: 3px;
    background: var(--primary);
    border-radius: 2px;
    animation: visualizer 1s infinite alternate;
}
.mock-radio__visualizer span:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.mock-radio__visualizer span:nth-child(3) { height: 22px; animation-delay: 0.2s; }
.mock-radio__visualizer span:nth-child(4) { height: 14px; animation-delay: 0.3s; }
.mock-radio__visualizer span:nth-child(5) { height: 20px; animation-delay: 0.4s; }
@keyframes visualizer { from { height: 8px; } to { height: 24px; } }
.mock-screen__country-list { display: flex; flex-direction: column; gap: 6px; }
.mock-country { display: flex; justify-content: space-between; padding: 8px; background: rgba(255,255,255,0.04); border-radius: 10px; font-size: 0.75rem; }
.mock-country__count { opacity: 0.6; }

/* Screenshots row */
.screenshots__row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}
.phone-mockup--screenshot {
    width: 220px;
}
.phone-mockup--featured {
    width: 250px;
    transform: scale(1.05);
    z-index: 2;
}

/* ========== ABOUT ========== */
.about__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}
.about__card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}
.about__card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(41,182,246,0.3);
}
.about__card-icon {
    margin-bottom: 20px;
}
.about__card-title {
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #0F172A;
}
.about__card-text {
    color: var(--text-secondary);
    line-height: 1.6;
}
.about__notice {
    background: #F8FAFC;
    border-left: 4px solid var(--primary);
    border-radius: var(--radius);
    padding: 24px 28px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========== FAQ ACCORDION ========== */
.faq__accordion {
    max-width: 800px;
    margin: 0 auto;
}
.faq__item {
    border-bottom: 1px solid var(--border);
}
.faq__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    padding: 24px 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #0F172A;
    cursor: pointer;
    text-align: left;
    gap: 16px;
    transition: color 0.2s;
}
.faq__question:hover {
    color: var(--primary);
}
.faq__icon {
    flex-shrink: 0;
    transition: transform 0.35s ease;
    color: var(--text-secondary);
}
.faq__item.active .faq__icon {
    transform: rotate(45deg);
    color: var(--primary);
}
.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: var(--text-secondary);
    line-height: 1.7;
    padding: 0 0;
}
.faq__item.active .faq__answer {
    max-height: 300px;
    padding: 0 0 24px;
}

/* ========== DOWNLOAD ========== */
.download__inner {
    text-align: center;
    padding: 80px 24px;
}
.download__logo-mark {
    margin-bottom: 24px;
}
.download__heading {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.download__subheading {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 20px;
}
.download__platform {
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 28px;
}
.download__btn {
    margin-bottom: 20px;
}
.download__coming-soon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    background: white;
    padding: 10px 24px;
    border-radius: 40px;
    box-shadow: var(--shadow-sm);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--bg-dark);
    color: #CBD5E1;
    padding: 60px 0 0;
}
.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.3rem;
    color: white;
}
.footer__tagline {
    color: #94A3B8;
    font-size: 0.9rem;
}
.footer__links-title {
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    font-size: 1rem;
}
.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer__links a {
    color: #94A3B8;
    transition: color 0.2s;
}
.footer__links a:hover {
    color: var(--accent);
}
.footer__bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    color: #64748B;
}

/* ========== UTILITY ANIMATIONS ========== */
[data-aos] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}