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

:root {
    --color-primary: #ff3b3b;
    --color-secondary: #8b1f1f;
    --color-dark: #070707;
    --color-dark-2: #0b0810;
    --color-white: #EDECF6;
    --color-gray: #9ca3af;
    --color-gray-dark: #4b5563;
    --gradient-red-black: linear-gradient(135deg, #ff3b3b 0%, #8b1f1f 50%, #070707 100%);
    --gradient-red-black-vertical: linear-gradient(180deg, #ff3b3b 0%, #8b1f1f 50%, #070707 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--color-dark);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(7, 7, 7, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 59, 59, 0.1);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-white);
}

.logo-image {
    width: 40px;
    height: 40px;
    display: block; /* prevent baseline shift for inline images and ensure perfect vertical centering */
    object-fit: contain;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-red-black);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    align-self: center; /* explicitly center inside the .logo flex container */
    line-height: 1; /* tighten baseline to avoid visual offset */
}

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

.nav-links a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:not(.btn-primary):hover {
    color: var(--color-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all 0.3s;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(7, 7, 7, 0.98);
    backdrop-filter: blur(10px);
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 59, 59, 0.1);
    z-index: 999;
}

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

.mobile-menu a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    padding: 12px;
    border-radius: 8px;
    transition: background 0.2s;
}

.mobile-menu a:hover {
    background: rgba(255, 59, 59, 0.1);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--gradient-red-black);
    color: var(--color-white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 59, 59, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: rgba(255, 59, 59, 0.1);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: var(--gradient-red-black-vertical);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 59, 59, 0.1) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-gray);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
}

.phone-screen {
    background: var(--color-dark-2);
    border-radius: 32px;
    padding: 16px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
    border: 8px solid #1a1a1a;
}

.app-preview {
    background: linear-gradient(180deg, #0b0810 0%, #070707 100%);
    border-radius: 20px;
    padding: 24px;
    min-height: 500px;
}

.preview-header {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.preview-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-red-black);
}

.preview-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: center;
}

.preview-line {
    height: 12px;
    background: rgba(255, 59, 59, 0.2);
    border-radius: 4px;
}

.preview-line.short {
    width: 60%;
}

.preview-albums {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.preview-album {
    aspect-ratio: 1;
    background: var(--gradient-red-black);
    border-radius: 8px;
    opacity: 0.8;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--color-dark);
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 64px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: rgba(255, 59, 59, 0.05);
    border: 1px solid rgba(255, 59, 59, 0.1);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(255, 59, 59, 0.2);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-red-black);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--color-gray);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--color-dark-2);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-description {
    font-size: 18px;
    color: var(--color-gray);
    margin-bottom: 24px;
    line-height: 1.7;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 40px;
    font-weight: 800;
    background: var(--gradient-red-black);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--color-gray);
    font-size: 14px;
}

.gradient-blob {
    width: 400px;
    height: 400px;
    background: var(--gradient-red-black);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: var(--gradient-red-black-vertical);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 50%, rgba(255, 59, 59, 0.2) 0%, transparent 50%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 20px;
    color: var(--color-gray);
    margin-bottom: 32px;
}

/* Waitlist Section */
.waitlist-section {
    padding: 120px 0 80px;
    background: var(--gradient-red-black-vertical);
    min-height: 100vh;
}

.waitlist-content {
    max-width: 600px;
    margin: 0 auto;
}

.waitlist-header {
    text-align: center;
    margin-bottom: 48px;
}

.waitlist-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.waitlist-subtitle {
    font-size: 20px;
    color: var(--color-gray);
}

.waitlist-form-container {
    background: rgba(255, 59, 59, 0.05);
    border: 1px solid rgba(255, 59, 59, 0.1);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 48px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(7, 7, 7, 0.5);
    border: 1px solid rgba(255, 59, 59, 0.2);
    border-radius: 8px;
    color: var(--color-white);
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group select {
    cursor: pointer;
}

.checkbox-group {
    margin-top: 24px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.success-message,
.error-message {
    text-align: center;
    padding: 48px 32px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-icon,
.error-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.success-icon svg,
.error-icon svg {
    filter: drop-shadow(0 4px 12px rgba(16, 185, 129, 0.3));
}

.success-message h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--color-white);
}

.success-message p {
    color: var(--color-gray);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 12px;
}

.success-message p strong {
    color: var(--color-primary);
    font-weight: 600;
}

.success-subtext {
    color: var(--color-gray);
    font-size: 14px;
    margin-top: 8px;
}

.error-message h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--color-white);
}

.error-message p {
    color: var(--color-gray);
    margin-bottom: 24px;
}

.waitlist-benefits {
    background: rgba(255, 59, 59, 0.05);
    border: 1px solid rgba(255, 59, 59, 0.1);
    border-radius: 16px;
    padding: 32px;
}

.waitlist-benefits h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.waitlist-benefits ul {
    list-style: none;
}

.waitlist-benefits li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--color-gray);
}

.waitlist-benefits li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* Footer */
.footer {
    background: var(--color-dark-2);
    padding: 64px 0 32px;
    border-top: 1px solid rgba(255, 59, 59, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-description {
    color: var(--color-gray);
    font-size: 14px;
}

.footer-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--color-gray);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 59, 59, 0.1);
    color: var(--color-gray);
    font-size: 14px;
}

/* Responsive */

/* Tablet Landscape & Small Desktops */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 48px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

/* Tablet Portrait */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .nav-links {
        display: none;
    }

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

    .nav-content {
        height: 64px;
    }

    .logo-image {
        width: 36px;
        height: 36px;
    }

    .logo-text {
        font-size: 20px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
        padding-top: 80px;
    }

    .hero-title {
        font-size: 40px;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .gradient-blob {
        width: 100%;
        height: 200px;
    }

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

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .cta-title {
        font-size: 32px;
    }

    .waitlist-title {
        font-size: 36px;
    }

    .waitlist-subtitle {
        font-size: 16px;
    }

    .waitlist-form-container {
        padding: 24px;
    }

    .form-group input,
    .form-group select {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Mobile Landscape */
@media (max-width: 640px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .cta-title {
        font-size: 28px;
    }

    .waitlist-title {
        font-size: 28px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 14px 28px;
        font-size: 15px;
        min-height: 44px; /* Touch-friendly */
    }
}

/* Mobile Portrait - Small Phones */
@media (max-width: 375px) {
    .container {
        padding: 0 12px;
    }

    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 24px;
    }

    .waitlist-title {
        font-size: 24px;
    }

    .waitlist-form-container {
        padding: 20px;
    }

    .feature-card {
        padding: 20px;
    }

    .stat-number {
        font-size: 32px;
    }
}

/* Ensure touch targets are accessible */
@media (hover: none) and (pointer: coarse) {
    .btn-primary,
    .btn-secondary,
    .nav-links a,
    .footer-links a,
    button[type="submit"] {
        min-height: 44px;
        min-width: 44px;
    }
}