/* ===================================
   Landing Page - Styles
   =================================== */

/* Import Design System Variables */
:root {
    /* Colors */
    --color-coral: #FF6B6B;
    --color-peach: #FFE5E5;
    --color-terracotta: #E85D5D;
    --color-green: #51CF66;
    --color-mint: #E7F5E9;
    --color-blue: #4DABF7;
    --color-lavender: #9775FA;
    --color-charcoal: #2C3E50;
    --color-gray: #6C757D;
    --color-light-gray: #F8F9FA;
    --color-white: #FFFFFF;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 6px 20px rgba(255, 107, 107, 0.15);

    /* Typography */
    --font-primary: 'Inter', system-ui, sans-serif;
    --font-accent: 'Outfit', sans-serif;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-medium: 250ms cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0.0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-white);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-light-gray);
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-accent);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-charcoal);
}

.logo-icon {
    font-size: 28px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Buttons */
.btn-primary {
    background-color: var(--color-coral);
    color: var(--color-white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary.large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-primary.full-width {
    width: 100%;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-coral);
    border: 2px solid var(--color-coral);
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background-color: var(--color-peach);
}

.btn-secondary.large {
    padding: 14px 30px;
    font-size: 18px;
}

.btn-text {
    background: none;
    border: none;
    color: var(--color-gray);
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.btn-text:hover {
    color: var(--color-coral);
}

/* Hero Section */
.hero {
    padding: 120px var(--space-lg) var(--space-3xl);
    background: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-family: var(--font-accent);
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-charcoal);
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-gray);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.hero-note {
    font-size: 14px;
    color: var(--color-gray);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, var(--color-coral), var(--color-terracotta));
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    border-radius: 32px;
    padding: var(--space-lg);
    overflow: hidden;
    position: relative;
}

.mock-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-top: var(--space-md);
}

.mock-title {
    font-family: var(--font-accent);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-charcoal);
}

.mock-avatars {
    display: flex;
    gap: var(--space-sm);
}

.mock-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.mock-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mock-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background-color: var(--color-light-gray);
    border-radius: var(--radius-sm);
    transition: all var(--transition-medium);
}

.mock-item.checked {
    opacity: 0.6;
}

.mock-item.checked span {
    text-decoration: line-through;
}

.mock-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray);
    border-radius: 4px;
    flex-shrink: 0;
}

.mock-checkbox.checked {
    background-color: var(--color-green);
    border-color: var(--color-green);
    position: relative;
}

.mock-checkbox.checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-white);
    font-size: 14px;
    font-weight: 700;
}

.mock-fab {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 56px;
    height: 56px;
    background-color: var(--color-coral);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 300;
    box-shadow: var(--shadow-md);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        box-shadow: var(--shadow-md);
    }

    50% {
        transform: scale(1.05);
        box-shadow: var(--shadow-hover);
    }
}

/* Features Section */
.features {
    padding: var(--space-3xl) var(--space-lg);
    background-color: var(--color-white);
}

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

.section-title {
    font-family: var(--font-accent);
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    color: var(--color-charcoal);
    margin-bottom: var(--space-3xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-xl);
    background-color: var(--color-white);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    transition: all var(--transition-medium);
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
}

.feature-title {
    font-family: var(--font-accent);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
}

.feature-description {
    font-size: 16px;
    color: var(--color-gray);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: var(--space-3xl) var(--space-lg);
    background: linear-gradient(135deg, var(--color-coral), var(--color-terracotta));
    color: var(--color-white);
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-family: var(--font-accent);
    font-size: 40px;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: 20px;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
}

.cta .btn-primary {
    background-color: var(--color-white);
    color: var(--color-coral);
}

.cta .btn-primary:hover {
    background-color: var(--color-light-gray);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    padding: var(--space-xl) var(--space-lg);
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-accent);
    font-size: 20px;
    font-weight: 700;
}

.footer-text {
    font-size: 14px;
    opacity: 0.7;
}

/* Auth Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: fadeIn var(--transition-medium);
    padding: var(--space-lg);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.auth-modal {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 450px;
    position: relative;
    animation: slideUp var(--transition-medium);
    box-shadow: var(--shadow-lg);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-btn {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background-color: transparent;
    color: var(--color-gray);
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    line-height: 1;
}

.close-btn:hover {
    background-color: var(--color-light-gray);
    color: var(--color-charcoal);
}

.auth-title {
    font-family: var(--font-accent);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
}

.auth-subtitle {
    font-size: 16px;
    color: var(--color-gray);
    margin-bottom: var(--space-xl);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-charcoal);
}

.auth-error {
    background-color: #FFF5F5;
    color: #E03131;
    font-size: 14px;
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid #FFC9C9;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
    animation: fadeIn 0.3s ease;
}

.auth-error::before {
    content: '⚠️';
}

.form-group input {
    height: 48px;
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: 0 var(--space-md);
    font-size: 16px;
    font-family: var(--font-primary);
    transition: border-color var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-coral);
}

.forgot-password {
    font-size: 14px;
    color: var(--color-coral);
    text-decoration: none;
    align-self: flex-end;
    margin-top: calc(var(--space-sm) * -1);
}

.forgot-password:hover {
    text-decoration: underline;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--space-lg) 0;
    color: var(--color-gray);
    font-size: 14px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-light-gray);
}

.auth-divider span {
    padding: 0 var(--space-md);
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px;
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
    color: var(--color-charcoal);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-social:hover {
    border-color: var(--color-coral);
    background-color: var(--color-peach);
}

.auth-switch {
    text-align: center;
    font-size: 14px;
    color: var(--color-gray);
    margin-top: var(--space-lg);
}

.auth-switch a {
    color: var(--color-coral);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Utility */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 1023px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero-visual {
        order: -1;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

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

@media (max-width: 767px) {
    .hero {
        padding: 100px var(--space-md) var(--space-2xl);
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary.large,
    .btn-secondary.large {
        width: 100%;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }

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

    .section-title {
        font-size: 32px;
    }

    .cta-title {
        font-size: 32px;
    }

    /* Hide Get Started on mobile */
    #navGetStarted {
        display: none;
    }

    /* Show Sign In as primary button on mobile */
    #navSignIn.btn-text {
        display: inline-block;
        background-color: var(--color-coral);
        color: var(--color-white);
        padding: 10px 20px;
        border-radius: var(--radius-sm);
        box-shadow: var(--shadow-sm);
    }
}