/* iOMemory - Premium Landing Page Styles */

:root {
    --primary: #10B981;
    --primary-light: #34D399;
    --secondary: #8B5CF6;
    --secondary-light: #A78BFA;
    --bg-dark: #050505;
    --surface-dark: #121212;
    --border-dark: rgba(255, 255, 255, 0.1);
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #000;
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-purple {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-dark);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.75rem 2rem;
    background: rgba(5, 5, 5, 0.95);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-logo-icon {
    font-size: 2rem;
    color: var(--primary);
}

.nav-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-cta {
    background: var(--primary);
    color: white;
    padding: 0.625rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.nav-cta:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    animation: pulse-slow 4s ease-in-out infinite;
}

.hero-glow-green {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(16, 185, 129, 0.3) 0%, transparent 70%);
}

.hero-glow-purple {
    top: 20%;
    right: -200px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
    animation-delay: 2s;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-dark);
    border-radius: 50px;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero-badge-text {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: white;
    color: #111;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid var(--border-dark);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.btn-icon {
    width: 24px;
    height: 24px;
}

/* Phone Mockup */
.phone-container {
    position: relative;
    display: flex;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.phone-mockup {
    width: 300px;
    height: 620px;
    background: #000;
    border-radius: 45px;
    border: 8px solid #1a1a1a;
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    overflow: hidden;
    position: relative;
}

.phone-notch {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 35px;
    background: #000;
    border-radius: 0 0 20px 20px;
    z-index: 20;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #0a0a0a 0%, #000 100%);
    display: flex;
    flex-direction: column;
    padding: 60px 20px 30px;
}

.phone-status-bar {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.phone-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.phone-header-icon {
    font-size: 24px;
    color: var(--text-muted);
}

.phone-header-icon.purple {
    color: var(--secondary);
}

.phone-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.phone-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.phone-hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.phone-brain {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone-brain-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(20px);
    animation: pulse-slow 3s ease-in-out infinite;
}

.phone-brain-icon {
    font-size: 72px;
    color: white;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
}

.phone-input {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
}

.phone-input-icon {
    font-size: 20px;
    color: var(--text-muted);
}

.phone-input-field {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--text-muted);
}

.phone-home-indicator {
    width: 33%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    margin: 15px auto 0;
}

/* Phone Decoration Glows */
.phone-deco-glow {
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    filter: blur(60px);
    z-index: -1;
}

.phone-deco-glow.top-right {
    top: -40px;
    right: -80px;
    background: rgba(139, 92, 246, 0.4);
}

.phone-deco-glow.bottom-left {
    bottom: -40px;
    left: -80px;
    background: rgba(16, 185, 129, 0.4);
}

/* Features Section */
.features {
    padding: 8rem 2rem;
    background: var(--surface-dark);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-dark), transparent);
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dark);
    border-radius: 1.5rem;
    padding: 2.5rem;
    transition: all 0.4s ease;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card:nth-child(2):hover {
    border-color: var(--secondary);
}

.feature-card:nth-child(3):hover {
    border-color: #3B82F6;
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    transition: all 0.3s ease;
}

.feature-icon.green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--primary);
}

.feature-icon.purple {
    background: rgba(139, 92, 246, 0.15);
    color: var(--secondary);
}

.feature-icon.blue {
    background: rgba(59, 130, 246, 0.15);
    color: #3B82F6;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Privacy Section */
.privacy-section {
    padding: 8rem 2rem;
    position: relative;
    overflow: hidden;
}

.privacy-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.privacy-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.privacy-shield {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 2px solid var(--border-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.privacy-shield::before {
    content: '';
    position: absolute;
    inset: -20px;
    border: 1px dashed var(--border-dark);
    border-radius: 50%;
    animation: spin 30s linear infinite;
}

.privacy-shield-icon {
    font-size: 100px;
    color: var(--primary);
    filter: drop-shadow(0 0 30px rgba(16, 185, 129, 0.4));
}

.privacy-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
}

.privacy-content p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.privacy-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.privacy-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.privacy-feature-icon {
    color: var(--primary);
}

/* How It Works Section */
.how-it-works {
    padding: 8rem 2rem;
    background: var(--surface-dark);
}

.steps-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.step:nth-child(even) {
    direction: rtl;
}

.step:nth-child(even) > * {
    direction: ltr;
}

.step-visual {
    position: relative;
    background: linear-gradient(135deg, #0f0f0f 0%, #000 100%);
    border: 1px solid var(--border-dark);
    border-radius: 2rem;
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 350px;
    overflow: hidden;
}

.step-visual-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    filter: blur(80px);
    animation: pulse-slow 4s ease-in-out infinite;
}

.step-visual-glow.green {
    background: rgba(16, 185, 129, 0.3);
}

.step-visual-glow.purple {
    background: rgba(139, 92, 246, 0.3);
}

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

.step-visual-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.step-visual-icon .material-symbols-outlined {
    font-size: 40px;
    color: var(--primary);
}

.step-visual-text {
    font-size: 1.25rem;
    color: white;
    font-style: italic;
    opacity: 0.8;
}

.step-content {
    padding: 1rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.step-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.step-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.step-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.step-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.step-feature-icon {
    color: var(--primary);
    font-size: 20px;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(180deg, #111 0%, #000 100%);
    border: 1px solid var(--border-dark);
    border-radius: 2.5rem;
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 200px;
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.15) 0%, transparent 100%);
    pointer-events: none;
}

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

.cta-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

.cta-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-note {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--border-dark);
}

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

.footer-top {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-brand-icon {
    font-size: 1.75rem;
    color: var(--primary);
}

.footer-brand-text {
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-dark);
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social-link {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.footer-social-link:hover {
    color: var(--primary);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse-slow {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .privacy-container,
    .step {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .step:nth-child(even) {
        direction: ltr;
    }

    .privacy-content {
        order: 2;
    }

    .privacy-features {
        align-items: center;
    }

    .step-content {
        order: 2;
    }
}

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

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

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

    .phone-mockup {
        width: 260px;
        height: 540px;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
}