/* SnapNutrition AI Landing Page Styles */

:root {
    --green-primary: #34C759;
    --green-muted: #6B9E7B;
    --purple-muted: #8B6B9B;
    --gradient-start: #5D8A6B;
    --gradient-end: #7B5B8B;
    --text-dark: #1a1a1a;
    --text-muted: #666;
    --bg-light: #f8f9fa;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

/* Flying Emojis Background */
.flying-emojis {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.flying-emoji {
    position: absolute;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    will-change: transform;
}

/* Emojis starting from left edge */
.flying-emoji.from-left {
    left: -80px;
    animation-name: flyFromLeft;
}

/* Emojis starting from bottom edge */
.flying-emoji.from-bottom {
    bottom: -80px;
    animation-name: flyFromBottom;
}

@keyframes flyFromLeft {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(calc(100vw + 160px)) translateY(calc(-100vh - 160px));
    }
}

@keyframes flyFromBottom {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(calc(100vw + 160px)) translateY(calc(-100vh - 160px));
    }
}

/* 14 emojis - 7 from left edge, 7 from bottom edge */
/* All fly diagonally toward top-right */

/* === FROM LEFT EDGE (use 'top' for vertical position) === */

.flying-emoji.e1 {
    font-size: 44px;
    top: 5%;
    opacity: 0.46;
    animation-duration: 28s;
    animation-delay: -4s;
}

.flying-emoji.e2 {
    font-size: 50px;
    top: 18%;
    opacity: 0.5;
    animation-duration: 32s;
    animation-delay: -20s;
}

.flying-emoji.e3 {
    font-size: 46px;
    top: 32%;
    opacity: 0.48;
    animation-duration: 26s;
    animation-delay: -10s;
}

.flying-emoji.e4 {
    font-size: 54px;
    top: 46%;
    opacity: 0.52;
    animation-duration: 35s;
    animation-delay: -28s;
}

.flying-emoji.e5 {
    font-size: 48px;
    top: 60%;
    opacity: 0.5;
    animation-duration: 30s;
    animation-delay: -6s;
}

.flying-emoji.e6 {
    font-size: 52px;
    top: 75%;
    opacity: 0.48;
    animation-duration: 38s;
    animation-delay: -22s;
}

.flying-emoji.e7 {
    font-size: 46px;
    top: 90%;
    opacity: 0.45;
    animation-duration: 33s;
    animation-delay: -14s;
}

/* === FROM BOTTOM EDGE (use 'left' for horizontal position) === */

.flying-emoji.e8 {
    font-size: 48px;
    left: 8%;
    opacity: 0.48;
    animation-duration: 29s;
    animation-delay: -5s;
}

.flying-emoji.e9 {
    font-size: 52px;
    left: 22%;
    opacity: 0.5;
    animation-duration: 34s;
    animation-delay: -24s;
}

.flying-emoji.e10 {
    font-size: 46px;
    left: 36%;
    opacity: 0.48;
    animation-duration: 27s;
    animation-delay: -12s;
}

.flying-emoji.e11 {
    font-size: 54px;
    left: 50%;
    opacity: 0.52;
    animation-duration: 36s;
    animation-delay: -30s;
}

.flying-emoji.e12 {
    font-size: 48px;
    left: 64%;
    opacity: 0.48;
    animation-duration: 31s;
    animation-delay: -8s;
}

.flying-emoji.e13 {
    font-size: 50px;
    left: 78%;
    opacity: 0.46;
    animation-duration: 28s;
    animation-delay: -18s;
}

.flying-emoji.e14 {
    font-size: 46px;
    left: 92%;
    opacity: 0.45;
    animation-duration: 32s;
    animation-delay: -2s;
}

/* Ensure hero content stays above emojis */
.hero h1,
.hero .tagline,
.hero .app-store-badge {
    position: relative;
    z-index: 1;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .flying-emoji {
        animation: none;
        opacity: 0.3;
    }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.hero .tagline {
    font-size: 1.5rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.hero .hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 1.5rem;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

.app-store-badge {
    margin-top: 1.5rem;
}

.app-store-badge img {
    height: 54px;
    transition: transform 0.2s ease;
}

.app-store-badge img:hover {
    transform: scale(1.05);
}

/* Intro Section */
.intro {
    padding: 3rem 2rem;
    background: white;
    text-align: center;
}

.intro p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
}

.intro strong {
    color: var(--text-dark);
}

/* Screenshots Section */
.screenshots {
    padding: 5rem 2rem;
    background: var(--bg-light);
}

.screenshots h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.screenshot-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.screenshot-container img {
    width: min(280px, 28vw);
    min-width: 120px;
    height: auto;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.screenshot-container img:hover {
    transform: translateY(-10px);
}

/* Features Section */
.features {
    padding: 5rem 2rem;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* How It Works */
.how-it-works {
    padding: 5rem 2rem;
    background: var(--bg-light);
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.steps {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Privacy Highlight */
.privacy-highlight {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    text-align: center;
}

.privacy-highlight h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.privacy-highlight p {
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

/* FAQ Section */
.faq {
    padding: 5rem 2rem;
    background: var(--bg-light);
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}

.faq-item summary {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dark);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--gradient-end);
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Cookie Consent Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.cookie-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    max-width: 1000px;
}

.cookie-content p {
    color: white;
    margin: 0;
    font-size: 0.95rem;
    text-align: center;
}

.cookie-buttons {
    display: flex;
    gap: 0.75rem;
}

.cookie-btn {
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.cookie-btn:hover {
    transform: scale(1.05);
}

.cookie-btn.accept {
    background: var(--green-primary);
    color: white;
}

.cookie-btn.reject {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-btn.reject:hover {
    border-color: rgba(255, 255, 255, 0.6);
}

/* Footer */
footer {
    padding: 3rem 2rem;
    background: var(--text-dark);
    color: white;
    text-align: center;
}

footer a {
    color: var(--green-primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

footer .links {
    margin-bottom: 1rem;
}

footer .links a {
    margin: 0 1rem;
}

footer .copyright {
    opacity: 0.6;
    font-size: 0.9rem;
}

footer .powered-by {
    opacity: 0.5;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* Privacy Policy Page */
.privacy-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.privacy-page h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.privacy-page .last-updated {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.privacy-page h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--gradient-end);
}

.privacy-page p,
.privacy-page ul {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.privacy-page ul {
    padding-left: 1.5rem;
}

.privacy-page li {
    margin-bottom: 0.5rem;
}

.privacy-page a {
    color: var(--gradient-end);
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--gradient-end);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 4rem 1.5rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero .tagline {
        font-size: 1.1rem;
    }

    .screenshots,
    .features,
    .how-it-works {
        padding: 3rem 1rem;
    }

    .screenshot-container {
        gap: 1rem;
    }

    .screenshot-container img {
        width: 160px;
        border-radius: 16px;
    }

    .features h2,
    .screenshots h2,
    .how-it-works h2 {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

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

    .feature-card {
        padding: 1.5rem;
    }

    .steps {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .step {
        max-width: 100%;
    }

    .privacy-highlight {
        padding: 3rem 1.5rem;
    }

    .privacy-highlight h2 {
        font-size: 1.5rem;
    }

    .privacy-page {
        padding: 2rem 1rem;
    }

    .privacy-page h1 {
        font-size: 1.75rem;
    }

    .privacy-page h2 {
        font-size: 1.25rem;
    }

    .intro {
        padding: 2rem 1rem;
    }

    .intro p {
        font-size: 1rem;
    }

    .faq {
        padding: 3rem 1rem;
    }

    .faq h2 {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    .faq-item summary {
        padding: 1rem 1.25rem;
        font-size: 0.95rem;
    }

    .faq-item p {
        padding: 0 1.25rem 1rem;
        font-size: 0.9rem;
    }

    .hero .hero-subtitle {
        font-size: 0.95rem;
    }

    .cookie-banner {
        padding: 1rem;
    }

    .cookie-content {
        flex-direction: column;
        gap: 0.75rem;
    }

    .cookie-content p {
        font-size: 0.85rem;
    }

    .cookie-btn {
        padding: 0.5rem 1.25rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3rem 1rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero .tagline {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .app-store-badge img {
        height: 44px;
    }

    .screenshot-container img {
        width: 140px;
        border-radius: 12px;
    }

    .features h2,
    .screenshots h2,
    .how-it-works h2 {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: 1.25rem;
    }

    .feature-card .icon {
        font-size: 2rem;
    }

    .feature-card h3 {
        font-size: 1.1rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    footer {
        padding: 2rem 1rem;
    }

    footer .links a {
        margin: 0 0.5rem;
        font-size: 0.9rem;
    }
}