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

:root {
    --accent: #DC692B;
    --accent-light: #F0863F;
    --accent-dark: #B85520;
    --dark: #1a1a1a;
    --dark-soft: #2a2a2a;
    --gray-900: #111;
    --gray-800: #222;
    --gray-700: #333;
    --gray-600: #555;
    --gray-400: #999;
    --gray-200: #e0e0e0;
    --gray-100: #f5f5f5;
    --white: #ffffff;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

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

.nav-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.nav-title {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.text-accent {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    padding: 24px;
    flex-direction: column;
    gap: 20px;
    z-index: 99;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--gray-600);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.25s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--white);
    padding: 14px 32px;
    font-size: 1.05rem;
    box-shadow: 0 4px 20px rgba(220, 105, 43, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(220, 105, 43, 0.45);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--dark);
    padding: 14px 32px;
    font-size: 1.05rem;
}

.btn-secondary:hover {
    background: var(--gray-200);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
    background: var(--accent);
    color: var(--white);
    border-radius: 50px;
}

.btn-small:hover {
    background: var(--accent-dark);
    color: var(--white);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.15rem;
}

/* ===== Hero ===== */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-100) 100%);
}

.hero-content {
    max-width: 680px;
    margin: 0 auto;
}

.hero-icon {
    width: 120px;
    height: 120px;
    border-radius: 28px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 8px;
}

.tagline {
    font-size: 1.3rem;
    color: var(--gray-400);
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 36px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.hero-platforms {
    font-size: 0.9rem;
    color: var(--gray-400);
    font-weight: 500;
}

/* ===== Features ===== */
.features {
    padding: 100px 0;
    background: var(--white);
}

.features h2,
.privacy h2,
.cta h2,
.contact h2 {
    font-size: 2.4rem;
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-400);
    font-size: 1.1rem;
    margin-bottom: 56px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== Privacy ===== */
.privacy {
    padding: 100px 0;
    background: var(--gray-900);
    color: var(--white);
}

.privacy-content {
    text-align: center;
}

.privacy-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(220, 105, 43, 0.15);
    border-radius: 50%;
    margin-bottom: 24px;
}

.shield-icon {
    width: 32px;
    height: 32px;
    color: var(--accent);
}

.privacy h2 {
    color: var(--white);
}

.privacy .section-subtitle {
    color: rgba(255, 255, 255, 0.5);
}

.privacy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    text-align: left;
    margin-top: 48px;
    margin-bottom: 40px;
}

.privacy-item {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 28px 24px;
}

.privacy-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--white);
}

.privacy-item p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    line-height: 1.6;
}

.privacy-link {
    color: var(--accent);
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.2s;
}

.privacy-link:hover {
    color: var(--accent-light);
}

/* ===== Screenshots ===== */
.screenshots {
    padding: 80px 0 100px;
    background: var(--white);
    overflow: hidden;
}

.screenshots h2 {
    font-size: 2.4rem;
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.screenshots-track {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.screenshot-frame {
    flex: 0 0 auto;
    width: 220px;
    text-align: center;
}

.screenshot-frame img {
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.screenshot-frame p {
    margin-top: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-400);
}

/* ===== Email Capture ===== */
.email-capture {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
    color: var(--white);
}

.email-capture-content {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}

.email-capture h2 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--white);
}

.email-capture p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.email-form {
    max-width: 480px;
    margin: 0 auto 16px;
}

.email-row {
    display: flex;
    gap: 12px;
}

.email-form input[type="email"] {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.email-form input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.email-form input[type="email"]:focus {
    border-color: var(--accent);
}

.email-form .btn {
    white-space: nowrap;
    padding: 14px 28px;
}

.beta-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 16px;
    cursor: pointer;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

.beta-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.beta-checkbox span {
    -webkit-user-select: none;
    user-select: none;
}

.email-note {
    font-size: 0.85rem !important;
    color: rgba(255, 255, 255, 0.35) !important;
    margin-bottom: 0 !important;
    margin-top: 20px !important;
}

/* ===== CTA ===== */
.cta {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.cta h2 {
    margin-bottom: 12px;
}

.cta p {
    color: var(--gray-600);
    font-size: 1.1rem;
    margin-bottom: 36px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Contact ===== */
.contact {
    padding: 80px 0;
    background: var(--white);
}

.contact h2 {
    margin-bottom: 40px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.contact-card {
    display: block;
    text-align: center;
    padding: 32px 20px;
    background: var(--gray-100);
    border-radius: var(--radius);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 12px;
}

.contact-card h4 {
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-card p {
    color: var(--accent);
    font-size: 0.95rem;
    font-weight: 500;
}

/* ===== Footer ===== */
.footer {
    padding: 48px 0 32px;
    background: var(--dark);
    color: rgba(255, 255, 255, 0.6);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 24px;
}

.footer-brand .nav-title {
    font-size: 1.2rem;
}

.footer-brand p {
    font-size: 0.9rem;
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    font-size: 0.85rem;
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .features h2,
    .privacy h2,
    .cta h2,
    .contact h2 {
        font-size: 1.8rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

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

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

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .screenshot-frame {
        width: 160px;
    }

    .email-row {
        flex-direction: column;
    }

    .email-row .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .screenshots h2 {
        font-size: 1.8rem;
    }

    .email-capture h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-icon {
        width: 90px;
        height: 90px;
        border-radius: 22px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}
