/* ============================================
   Mobile-First Modern App Landing Page Styles
   ============================================ */

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

:root {
    --primary-green: #00C853;
    --primary-green-dark: #00A043;
    --text-black: #1a1a1a;
    --text-white: #ffffff;
    --text-gray: #666666;
    --text-light-gray: #999999;
    --bg-white: #ffffff;
    --bg-black: #000000;
    --bg-light-gray: #f8f9fa;
    --bg-dark: #0a0a0a;
    --border-light: #e5e5e5;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base font size for mobile */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-black);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Navigation - Mobile First
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    display: block;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-black);
    /* text-transform: lowercase; */
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 24px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-black);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--primary-green);
}

.btn-nav {
    background: var(--text-black);
    color: var(--text-white) !important;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--primary-green);
    color: var(--text-white) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-black);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   Hero Section - Mobile First
   ============================================ */
.hero {
    padding: 140px 0 60px;
    background: var(--bg-white);
    min-height: auto;
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    text-align: center;
}

.hero-text {
    max-width: 100%;
}

.hero-title {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 12px;
    color: var(--text-black);
    letter-spacing: -1.5px;
}

.hero-subtitle {
    font-size: 36px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-black);
    letter-spacing: -1px;
}

.hero-tagline {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 32px;
    font-weight: 400;
    line-height: 1.6;
    max-width: 100%;
}

.hero-cta {
    margin-top: 24px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--text-black);
    color: var(--text-white);
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid var(--text-black);
}

.btn-primary .play-icon {
    width: 26px;
    height: 26px;
    object-fit: contain;
    flex-shrink: 0;
}

.btn-primary:hover {
    background: var(--primary-green);
    border-color: var(--primary-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-social-proof {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-white);
    border: 1px solid #d0d0d0;
    border-radius: 50px;
    padding: 4px 10px 4px 4px;
    margin-bottom: 20px;
}

.free-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    color: var(--text-white);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.5px;
    animation: pulse 2s ease-in-out infinite;
}

.free-badge .asterisk {
    font-size: 0.7em;
    vertical-align: super;
    margin-left: 2px;
}

.free-disclaimer {
    font-size: 12px;
    color: var(--text-gray);
    margin-top: 0;
    margin-bottom: 16px;
    font-style: italic;
    text-align: center;
}

.footer-disclaimer {
    font-size: 11px;
    color: var(--text-gray);
    margin-top: 8px;
    font-style: italic;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.social-proof-avatars {
    display: flex;
    align-items: center;
    margin-right: 2px;
}

.avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--bg-white);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    flex-shrink: 0;
}

.avatar:not(:first-child) {
    margin-left: -8px;
}

.avatar-1 {
    background-image: url('https://i.pravatar.cc/150?img=12');
}

.avatar-2 {
    background-image: url('https://i.pravatar.cc/150?img=33');
}

.avatar-3 {
    background-image: url('https://i.pravatar.cc/150?img=47');
}

.social-proof-text {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-black);
    white-space: nowrap;
}

.social-proof-text .rating {
    font-weight: 700;
}

.hero-image-wrapper {
    width: 100%;
    max-width: 370px;
    margin: 0 auto;
    position: relative;
    overflow: visible;
}

.hero-img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.15));
    border-radius: 24px;
    object-fit: contain;
    transform: scale(1.15);
    transform-origin: center;
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: scale(1.15) translateY(0px);
    }
    50% {
        transform: scale(1.15) translateY(-10px);
    }
}

/* ============================================
   Feature Sections - Mobile First
   ============================================ */
.feature-section {
    padding: 60px 0;
    background: var(--bg-white);
}

.feature-section.feature-alt {
    background: var(--bg-light-gray);
}

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

.section-title {
    font-size: 32px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-black);
    letter-spacing: -1px;
}

.section-description {
    font-size: 17px;
    color: var(--text-gray);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.stat-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-card-1 { background: #E3F2FD; }
.stat-card-2 { background: #F1F8E9; }
.stat-card-3 { background: #FFF3E0; }
.stat-card-4 { background: #F3E5F5; }

.stat-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-black);
    margin-bottom: 4px;
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 4px;
}

.stat-sublabel {
    font-size: 12px;
    color: var(--text-gray);
}

/* Feature Content Layout */
.feature-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

.feature-content.feature-reverse {
    flex-direction: column-reverse;
}

.feature-text {
    text-align: center;
    max-width: 100%;
}

.feature-text .section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 16px;
}

.feature-text .section-description {
    text-align: center;
    font-size: 17px;
}

.feature-visual {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-screenshot {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.15));
    border-radius: 20px;
    object-fit: contain;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

/* Reminders Grid */
.reminders-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 300px;
    margin: 0 auto;
}

.reminder-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.reminder-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.reminder-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.reminder-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-black);
}

/* How it Works Section */
.how-it-works-section {
    padding: 60px 0;
    background: var(--bg-white);
}

.steps-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.step-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    width: 100%;
    max-width: 300px;
    border: 2px solid transparent;
}

.step-card:hover {
    transform: translateY(-4px);
    border: 2px solid var(--primary-green);
    box-shadow: var(--shadow-md);
}

.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    background: var(--primary-green);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.step-icon {
    font-size: 48px;
    margin: 16px 0 16px;
}

.step-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 12px;
}

.step-description {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
}

.step-connector {
    display: block;
    width: 2px;
    height: 40px;
    background-image: repeating-linear-gradient(
        to bottom,
        var(--primary-green) 0,
        var(--primary-green) 6px,
        transparent 6px,
        transparent 12px
    );
    margin: -16px 0;
    flex-shrink: 0;
}

/* Dark Mode Section */
.dark-mode-section {
    padding: 60px 0;
    background: var(--bg-dark);
    color: var(--text-white);
}

.section-title-white {
    font-size: 32px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-white);
    letter-spacing: -1px;
}

.section-description-white {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.dark-mode-visual {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.dark-screenshot {
    width: 100%;
    max-width: 240px;
    height: auto;
    display: block;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.5));
    border-radius: 20px;
    object-fit: contain;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: var(--bg-white);
    text-align: center;
}

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

.cta-title {
    font-size: 32px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-black);
    letter-spacing: -1px;
}

.cta-tagline {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 32px;
    font-weight: 500;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--text-black);
    color: var(--text-white);
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid var(--text-black);
}

.btn-download .play-icon {
    width: 30px;
    height: 30px;
    object-fit: contain;
    flex-shrink: 0;
}

.btn-download:hover {
    background: var(--primary-green);
    border-color: var(--primary-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    padding: 48px 0 24px;
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
}

.footer-top {
    margin-bottom: 32px;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-nav a {
    color: var(--text-black);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.footer-left p {
    font-size: 13px;
    color: var(--text-gray);
}

.footer-right {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.footer-right a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

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

/* ============================================
   Tablet Styles (768px and up)
   ============================================ */
@media (min-width: 768px) {
    html {
        font-size: 17px;
    }

    .container {
        padding: 0 32px;
    }

    .nav-wrapper {
        padding: 0 32px;
    }

    .nav-menu {
        display: flex;
        gap: 32px;
    }

    .nav-toggle {
        display: none;
    }

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

    .hero {
        padding: 160px 0 80px;
        min-height: 90vh;
    }

    .hero-content {
        flex-direction: row;
        text-align: left;
        gap: 60px;
        align-items: center;
    }

    .hero-text {
        flex: 1;
        text-align: left;
    }

    .hero-title {
        font-size: 56px;
        text-align: left;
    }

    .hero-subtitle {
        font-size: 48px;
        text-align: left;
        letter-spacing: -1.2px;
    }

    .hero-tagline {
        font-size: 20px;
        text-align: left;
        max-width: 500px;
    }

    .hero-cta {
        text-align: left;
    }

    .hero-social-proof {
        padding: 5px 12px 5px 5px;
        gap: 8px;
    }

    .avatar {
        width: 26px;
        height: 26px;
    }

    .avatar:not(:first-child) {
        margin-left: -10px;
    }

    .social-proof-text {
        font-size: 12px;
    }

    .free-badge {
        font-size: 13px;
        padding: 8px 18px;
    }

    .free-disclaimer {
        font-size: 13px;
        text-align: left;
    }

    .footer-disclaimer {
        font-size: 12px;
    }

    .hero-image-wrapper {
        flex: 1;
        max-width: 480px;
        overflow: visible;
    }

    .hero-img {
        max-width: 100%;
        transform: scale(1.2);
        transform-origin: center;
        animation: float-tablet 4s ease-in-out infinite;
    }

    @keyframes float-tablet {
        0%, 100% {
            transform: scale(1.2) translateY(0px);
        }
        50% {
            transform: scale(1.2) translateY(-10px);
        }
    }

    .feature-section {
        padding: 80px 0;
    }

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

    .section-description {
        font-size: 18px;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        max-width: 100%;
    }

    .stat-card {
        padding: 32px 24px;
    }

    .stat-icon {
        font-size: 40px;
    }

    .stat-value {
        font-size: 40px;
    }

    .feature-content {
        flex-direction: row;
        gap: 80px;
        text-align: left;
    }

    .feature-content.feature-reverse {
        flex-direction: row-reverse;
    }

    .feature-text {
        flex: 1;
        text-align: left;
    }

    .feature-text .section-title {
        text-align: left;
        font-size: 48px;
    }

    .feature-text .section-description {
        text-align: left;
        font-size: 18px;
    }

    .feature-visual {
        flex: 1;
        max-width: 450px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        max-width: 100%;
    }

    .reminders-grid {
        flex-direction: row;
        justify-content: center;
        max-width: 100%;
        gap: 24px;
    }

    .reminder-card {
        flex: 1;
        max-width: 200px;
    }

    .how-it-works-section {
        padding: 80px 0;
    }

    .steps-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        gap: 0;
        max-width: 100%;
    }

    .step-card {
        flex: 1;
        max-width: 220px;
        margin: 0 8px;
    }

    .step-connector {
        display: block;
        flex-shrink: 0;
        width: 40px;
        height: 2px;
        background-image: repeating-linear-gradient(
            to right,
            var(--primary-green) 0,
            var(--primary-green) 6px,
            transparent 6px,
            transparent 12px
        );
        margin: 60px -8px 0;
    }

    .section-title-white {
        font-size: 48px;
    }

    .section-description-white {
        font-size: 18px;
    }

    .dark-screenshot {
        max-width: 320px;
    }

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

    .cta-tagline {
        font-size: 20px;
    }

    .footer-nav {
        flex-direction: row;
        justify-content: center;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ============================================
   Desktop Styles (1024px and up)
   ============================================ */
@media (min-width: 1024px) {
    html {
        font-size: 18px;
    }

    .container {
        padding: 0 48px;
    }

    .nav-wrapper {
        padding: 0 48px;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .hero {
        padding: 180px 0 100px;
    }

    .hero-title {
        font-size: 72px;
        letter-spacing: -2px;
    }

    .hero-subtitle {
        font-size: 60px;
        letter-spacing: -1.5px;
    }

    .hero-tagline {
        font-size: 22px;
    }

    .hero-social-proof {
        padding: 6px 14px 6px 6px;
        gap: 8px;
    }

    .avatar {
        width: 28px;
        height: 28px;
    }

    .avatar:not(:first-child) {
        margin-left: -10px;
    }

    .social-proof-text {
        font-size: 13px;
    }

    .free-badge {
        font-size: 15px;
        padding: 10px 20px;
    }

    .free-disclaimer {
        font-size: 14px;
        text-align: left;
    }

    .footer-disclaimer {
        font-size: 12px;
    }

    .hero-image-wrapper {
        max-width: 600px;
        overflow: visible;
    }

    .hero-img {
        transform: scale(1.25);
        transform-origin: center;
        animation: float-desktop 4s ease-in-out infinite;
    }

    @keyframes float-desktop {
        0%, 100% {
            transform: scale(1.25) translateY(0px);
        }
        50% {
            transform: scale(1.25) translateY(-10px);
        }
    }

    .feature-section {
        padding: 120px 0;
    }

    .section-title {
        font-size: 64px;
        letter-spacing: -2px;
    }

    .section-description {
        font-size: 20px;
    }

    .stats-grid {
        gap: 24px;
    }

    .stat-card {
        padding: 40px 32px;
    }

    .stat-icon {
        font-size: 48px;
    }

    .stat-value {
        font-size: 48px;
    }

    .feature-content {
        gap: 100px;
    }

    .feature-text .section-title {
        font-size: 64px;
        letter-spacing: -2px;
    }

    .feature-text .section-description {
        font-size: 20px;
    }

    .feature-visual {
        max-width: 500px;
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }

    .feature-card {
        padding: 40px 32px;
    }

    .reminders-grid {
        gap: 32px;
    }

    .reminder-card {
        max-width: 220px;
        padding: 40px 32px;
    }

    .how-it-works-section {
        padding: 120px 0;
    }

    .step-card {
        max-width: 260px;
        padding: 40px 32px;
    }

    .step-number {
        width: 42px;
        height: 42px;
        font-size: 20px;
        top: -20px;
    }

    .step-icon {
        font-size: 56px;
    }

    .step-title {
        font-size: 22px;
    }

    .step-description {
        font-size: 16px;
    }

    .step-connector {
        width: 60px;
        height: 2px;
        background-image: repeating-linear-gradient(
            to right,
            var(--primary-green) 0,
            var(--primary-green) 6px,
            transparent 6px,
            transparent 12px
        );
        margin: 70px -12px 0;
    }

    .section-title-white {
        font-size: 64px;
        letter-spacing: -2px;
    }

    .section-description-white {
        font-size: 20px;
    }

    .dark-screenshot {
        max-width: 360px;
    }

    .cta-section {
        padding: 120px 0;
    }

    .cta-title {
        font-size: 64px;
        letter-spacing: -2px;
    }

    .cta-tagline {
        font-size: 22px;
    }

    .btn-download {
        padding: 18px 40px;
        font-size: 18px;
    }
}

/* ============================================
   Large Desktop Styles (1280px and up)
   ============================================ */
@media (min-width: 1280px) {
    .hero-image-wrapper {
        max-width: 650px;
        overflow: visible;
    }

    .hero-img {
        transform: scale(1.3);
        transform-origin: center;
        animation: float-large 4s ease-in-out infinite;
    }

    @keyframes float-large {
        0%, 100% {
            transform: scale(1.3) translateY(0px);
        }
        50% {
            transform: scale(1.3) translateY(-10px);
        }
    }

    .feature-visual {
        max-width: 550px;
    }

    .dark-screenshot {
        max-width: 400px;
    }
}

/* ============================================
   Mobile Menu Styles
   ============================================ */
@media (max-width: 767px) {
    .nav-menu {
        display: flex;
        gap: 16px;
        align-items: center;
    }

    .nav-menu a {
        font-size: 14px;
    }
}