/* ===== CSS Variables - Ocean Breeze Theme ===== */
:root {
    --ocean-light: #E0F7FA;
    --ocean-mid: #B2EBF2;
    --ocean-deep: #80DEEA;
    --teal-primary: #26A69A;
    --teal-light: #4DB6AC;
    --blue-primary: #0288D1;
    --blue-dark: #006064;
    --orange-primary: #FFA726;
    --orange-light: #FFB74D;
    --white: #FFFFFF;
    --gray-100: #F7FAFC;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(38, 166, 154, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background: linear-gradient(180deg, var(--ocean-light) 0%, var(--ocean-mid) 50%, var(--ocean-deep) 100%);
    min-height: 100vh;
    color: var(--gray-700);
    line-height: 1.6;
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(38, 166, 154, 0.1) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 600px;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.logo-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--teal-primary), var(--blue-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: spin 4s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.logo-image {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.logo-text {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--blue-dark);
    letter-spacing: -0.02em;
}

.logo-text .highlight {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    font-weight: 500;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--teal-primary), var(--blue-primary));
    color: var(--white);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(38, 166, 154, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--blue-primary);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: var(--ocean-light);
    transform: translateY(-2px);
}

.btn-icon {
    font-size: 1.25rem;
}

/* ===== Hero Visual ===== */
.hero-visual {
    position: relative;
    margin-top: 3rem;
    z-index: 1;
}

.floating-numbers {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-num {
    position: absolute;
    font-size: 2rem;
    font-weight: 700;
    color: var(--teal-primary);
    opacity: 0.6;
    animation: float 3s ease-in-out infinite;
}

.n1 {
    left: -60px;
    top: 20%;
    animation-delay: 0s;
}

.n2 {
    left: -40px;
    top: 50%;
    animation-delay: 0.3s;
}

.n3 {
    right: -60px;
    top: 30%;
    animation-delay: 0.6s;
}

.n4 {
    right: -40px;
    top: 60%;
    animation-delay: 0.9s;
}

.n5 {
    left: 50%;
    top: -40px;
    transform: translateX(-50%);
    animation-delay: 1.2s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.device-mockup {
    background: linear-gradient(145deg, #2d3748, #1a202c);
    border-radius: 2rem;
    padding: 0.75rem;
    box-shadow: var(--shadow-lg);
}

.screen {
    background: linear-gradient(180deg, var(--ocean-light), var(--ocean-mid));
    border-radius: 1.5rem;
    padding: 2rem;
    min-width: 280px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-preview {
    text-align: center;
}

.preview-header {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 1rem;
}

.preview-answer {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--teal-primary), var(--blue-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.preview-hint {
    font-size: 1rem;
    color: var(--teal-primary);
    font-weight: 500;
}

/* ===== Features Section ===== */
.features {
    padding: 5rem 2rem;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: linear-gradient(145deg, var(--ocean-light), var(--white));
    border-radius: 1.5rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--gray-600);
    font-size: 1rem;
}

/* ===== Screenshots Section ===== */
.screenshots {
    padding: 5rem 2rem;
    background: linear-gradient(180deg, var(--ocean-mid), var(--white));
}

.section-subtitle {
    text-align: center;
    color: var(--gray-600);
    font-size: 1.1rem;
    margin-top: -1.5rem;
    margin-bottom: 3rem;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.screenshot-card {
    background: var(--white);
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    aspect-ratio: 9 / 19.5;
    /* iPhone aspect ratio */
    display: flex;
    align-items: center;
    justify-content: center;
}

.screenshot-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.screenshot-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #000;
}

/* ===== How It Works Section ===== */
.how-it-works {
    padding: 5rem 2rem;
    background: linear-gradient(180deg, var(--ocean-light), var(--ocean-mid));
}

.steps-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--white);
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.step.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--teal-primary), var(--blue-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--gray-600);
}

.step-content strong {
    color: var(--teal-primary);
    font-weight: 700;
}

/* ===== Footer ===== */
.footer {
    background: var(--blue-dark);
    padding: 3rem 2rem;
    color: var(--ocean-light);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.logo-icon-sm {
    font-size: 1.25rem;
    animation: spin 4s linear infinite;
}

.footer-nav {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.footer-nav a {
    color: var(--ocean-mid);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: var(--white);
}

.copyright {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ===== Privacy Page Styles ===== */
.page-header {
    background: linear-gradient(135deg, var(--ocean-light), var(--ocean-mid));
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-sm);
}

.header-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blue-dark);
    text-decoration: none;
}

.privacy-content {
    padding: 3rem 2rem 5rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-md);
}

.privacy-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 0.5rem;
}

.last-updated {
    color: var(--gray-600);
    font-style: italic;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--ocean-mid);
}

.policy-section {
    margin-bottom: 2rem;
}

.policy-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--teal-primary);
    margin-bottom: 1rem;
}

.policy-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--blue-dark);
    margin: 1.5rem 0 0.75rem;
}

.policy-section p {
    color: var(--gray-600);
    margin-bottom: 0.75rem;
}

.policy-section ul {
    list-style: none;
    margin: 1rem 0;
}

.policy-section li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.policy-section li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--teal-primary);
    font-weight: 600;
}

.policy-section a {
    color: var(--blue-primary);
    text-decoration: none;
    font-weight: 500;
}

.policy-section a:hover {
    text-decoration: underline;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .logo-text {
        font-size: 2.5rem;
    }

    .logo-icon {
        font-size: 2rem;
    }

    .logo-image {
        width: 60px;
        height: 60px;
        border-radius: 12px;
    }

    .tagline {
        font-size: 1rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }

    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .container {
        padding: 2rem 1.5rem;
    }

    .privacy-content h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .screenshots-grid {
        grid-template-columns: 1fr;
        max-width: 280px;
    }
}

/* ===== Tutorial Page Styles ===== */
.tutorial-page {
    min-height: 80vh;
    padding: 4rem 1.5rem;
    text-align: center;
    background: linear-gradient(180deg, var(--ocean-light), var(--white));
}

.tutorial-title {
    font-size: 2.5rem;
    color: var(--blue-dark);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.video-wrapper {
    max-width: 900px;
    margin: 3rem auto;
    background: var(--white);
    padding: 1rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.video-player {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    display: block;
    background: #000;
}