/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Apple design colors */
    --background-dark: #2c3e50;
    --background-light: #7f8c8d;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --button-bg: rgba(255, 255, 255, 0.1);
    --button-hover: rgba(255, 255, 255, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: linear-gradient(135deg, #2c3e50 0%, #546875 50%, #8a959e 100%);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 60px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 80px;
}

.stay-tuned-small {
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0.01em;
    opacity: 0.9;
}

.logo {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Main content */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    flex: 1;
}

.text-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.main-heading {
    font-size: clamp(48px, 6vw, 88px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.description {
    font-size: clamp(20px, 2vw, 28px);
    font-weight: 400;
    line-height: 1.5;
    opacity: 0.95;
    letter-spacing: 0.01em;
}

/* LiquidGlass button */
.cta-button {
    align-self: flex-start;
    padding: 20px 60px;
    font-size: 24px;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 80px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
    letter-spacing: 0.01em;
    margin-top: 40px;
}

.cta-button:hover {
    background: var(--button-hover);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.cta-button:active {
    transform: translateY(0);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* Phone mockup */
.phone-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.phone-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.4));
    transition: transform 0.3s ease;
}

.focus-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 160px;
    height: 160px;
    border: 2px dashed rgba(255, 59, 48, 0.6);
    border-radius: 16px;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.92);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}

.focus-overlay.is-visible {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.phone-image:hover {
    transform: scale(1.02);
}

/* Responsive design */

/* Large tablets and small desktops */
@media (max-width: 1200px) {
    .container {
        padding: 40px 40px;
    }
    
    .main-content {
        gap: 60px;
    }
    
    .main-heading {
        font-size: clamp(42px, 5.5vw, 72px);
    }
}

/* Tablets (iPad) */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
        align-items: center;
    }
    
    .text-content {
        order: 1;
        align-items: center;
    }
    
    .phone-mockup {
        order: 2;
        margin-top: 20px;
    }
    
    .phone-image {
        max-width: 400px;
    }
    
    .cta-button {
        align-self: center;
    }
}

/* Mobile devices (iPhone) */
@media (max-width: 768px) {
    .container {
        padding: 24px 20px;
        min-height: 100vh;
    }
    
    .main-content {
        gap: 40px;
        text-align: center;
    }
    
    .phone-mockup {
        margin-top: 0;
    }

    .focus-overlay {
        width: 120px;
        height: 120px;
        border-radius: 12px;
    }

    .header {
        margin-bottom: 40px;
        flex-wrap: nowrap;
        align-items: center;
    }
    
    .stay-tuned-small {
        font-size: 15px;
        white-space: nowrap;
    }
    
    .logo {
        font-size: 20px;
        letter-spacing: 0.06em;
        white-space: nowrap;
    }
    
    .main-heading {
        font-size: 40px;
        line-height: 1.05;
        margin-bottom: 0;
        letter-spacing: -0.03em;
        text-align: center;
    }
    
    .description {
        font-size: 19px;
        line-height: 1.4;
        opacity: 0.9;
        text-align: center;
    }
    
    .text-content {
        gap: 24px;
        align-items: center;
    }
    
    .cta-button {
        padding: 18px 50px;
        font-size: 19px;
        margin-top: 16px;
        align-self: center;
    }
    
    .phone-image {
        max-width: 100%;
        width: 340px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .container {
        padding: 20px 16px;
    }
    
    .header {
        margin-bottom: 32px;
    }
    
    .stay-tuned-small {
        font-size: 13px;
    }
    
    .logo {
        font-size: 17px;
        letter-spacing: 0.05em;
    }
    
    .main-heading {
        font-size: 34px;
        line-height: 1.08;
        letter-spacing: -0.02em;
        text-align: center;
    }
    
    .description {
        font-size: 17px;
        line-height: 1.45;
        text-align: center;
    }
    
    .text-content {
        gap: 20px;
        align-items: center;
    }
    
    .cta-button {
        padding: 16px 44px;
        font-size: 17px;
        margin-top: 12px;
        align-self: center;
    }
    
    .phone-image {
        width: 300px;
        max-width: 100%;
    }

    .focus-overlay {
        width: 90px;
        height: 90px;
        border-radius: 10px;
        border-width: 1.5px;
    }
}

/* High-resolution displays (Retina) */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        font-weight: 400;
    }
    
    .main-heading {
        font-weight: 700;
    }
}

/* Dark mode support (if system preferences change) */
@media (prefers-color-scheme: dark) {
    /* Already in dark mode by default */
}

/* Smooth animations */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}