/* ==========================================================================
   ForeScore Landing Page Styles
   A modern, minimal, responsive design
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables - Dark Theme (Default)
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Dark Theme */
    --color-bg: #0D0D0D;
    --color-bg-elevated: #161616;
    --color-bg-card: #1A1A1A;
    --color-accent: #E5A84B;
    --color-accent-hover: #D49A3F;
    --color-text: #F5F0E8;
    --color-text-muted: #A8A8A8;
    --color-text-subtle: #6B6B6B;
    --color-border: #2A2A2A;
    --color-logo-filter: invert(1);
    --color-nav-bg: rgba(13, 13, 13, 0.8);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    /* Layout */
    --container-max: 1200px;
    --nav-height: 80px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* --------------------------------------------------------------------------
   CSS Variables - Light Theme
   -------------------------------------------------------------------------- */
[data-theme="light"] {
    --color-bg: #FAFAF9;
    --color-bg-elevated: #FFFFFF;
    --color-bg-card: #F5F5F4;
    --color-accent: #C4891F;
    --color-accent-hover: #A87419;
    --color-text: #1A1A1A;
    --color-text-muted: #525252;
    --color-text-subtle: #A3A3A3;
    --color-border: #E5E5E5;
    --color-logo-filter: invert(0);
    --color-nav-bg: rgba(250, 250, 249, 0.85);
}

/* Light theme specific overrides */
[data-theme="light"] .hero-bg-gradient {
    background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(196, 137, 31, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse 60% 40% at 80% 60%, rgba(196, 137, 31, 0.06) 0%, transparent 50%);
}

[data-theme="light"] .hero-bg-pattern {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

[data-theme="light"] .btn-primary:hover {
    box-shadow: 0 10px 30px rgba(196, 137, 31, 0.25);
}

[data-theme="light"] .cta-card {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(196, 137, 31, 0.06) 100%);
}

[data-theme="light"] .cta-circle {
    border-color: rgba(196, 137, 31, 0.15);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent);
}

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.text-accent {
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-3xl) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-4xl) 0;
    }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    color: var(--color-bg);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(229, 168, 75, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: var(--color-nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.nav.scrolled {
    border-bottom-color: var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 1001;
}

.nav-logo:hover {
    color: var(--color-text);
}

.nav-logo-icon {
    width: 36px;
    height: 36px;
    filter: var(--color-logo-filter);
}

.nav-logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    z-index: 1001;
}

.nav-toggle-bar {
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

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

.nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    background: var(--color-bg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}


.nav-menu.active {
    opacity: 1;
    visibility: visible;
}

.nav-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-cta {
    margin-top: var(--space-md);
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        flex-direction: row;
        opacity: 1;
        visibility: visible;
        background: transparent;
    }

    .nav-list {
        flex-direction: row;
        gap: var(--space-lg);
    }

    .nav-link {
        font-size: 0.9375rem;
    }

    .nav-cta {
        margin-top: 0;
        margin-left: var(--space-md);
    }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(229, 168, 75, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse 60% 40% at 80% 60%, rgba(229, 168, 75, 0.08) 0%, transparent 50%);
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(42, 42, 42, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(42, 42, 42, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
    margin-bottom: var(--space-xl);
}

@media (min-width: 480px) {
    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
}

.hero-platforms {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.hero-platforms-label {
    font-size: 0.875rem;
    color: var(--color-text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-platforms-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

.platform-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text);
}

.platform-badge-soon {
    color: var(--color-text-muted);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-subtle);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

/* --------------------------------------------------------------------------
   How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works {
    background: var(--color-bg-elevated);
}

.how-it-works-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .how-it-works-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
}

.how-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.how-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.how-card-header {
    margin-bottom: var(--space-lg);
}

.how-card-label {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    padding: 0.5rem 1rem;
    background: rgba(229, 168, 75, 0.1);
    border-radius: var(--radius-full);
}

.how-card-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.step {
    display: flex;
    gap: var(--space-md);
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-bg);
    background: var(--color-accent);
    border-radius: 50%;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.step-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features-grid {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
}

.feature-card {
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: rgba(229, 168, 75, 0.3);
    background: var(--color-bg-card);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--color-accent);
    background: rgba(229, 168, 75, 0.1);
    border-radius: var(--radius-md);
}

.feature-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Partners Section
   -------------------------------------------------------------------------- */
.partners {
    background: var(--color-bg-elevated);
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
}

.partner-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
    max-width: 320px;
    transition: all var(--transition-base);
    text-decoration: none;
    color: inherit;
}

.partner-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    color: inherit;
}

.partner-logo {
    width: 120px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.partner-logo-placeholder {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-border) 100%);
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

.partner-name {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
}

.partner-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Venues Section
   -------------------------------------------------------------------------- */
.venues-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .venues-grid {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    }
}

.venue-card {
    position: relative;
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    text-decoration: none;
    color: inherit;
}

.venue-card:hover {
    border-color: rgba(229, 168, 75, 0.3);
    background: var(--color-bg-card);
    color: inherit;
}

.venue-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(229, 168, 75, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-accent);
}

.venue-logo {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-xs);
    overflow: hidden;
}

.venue-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.venue-content {
    flex: 1;
}

.venue-name {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
}

.venue-location {
    font-size: 0.875rem;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.venue-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.venue-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
}

.venue-badge span {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    border-radius: var(--radius-full);
}

.venue-badge span::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
    background: var(--color-bg-elevated);
}

.cta-card {
    position: relative;
    padding: var(--space-2xl) var(--space-lg);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(229, 168, 75, 0.08) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
    overflow: hidden;
}

@media (min-width: 768px) {
    .cta-card {
        padding: var(--space-3xl) var(--space-2xl);
    }
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
}

@media (min-width: 480px) {
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
}

.btn-whatsapp:hover {
    background: #20bd5a;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.cta-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(229, 168, 75, 0.2);
}

.cta-circle-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -100px;
}

.cta-circle-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -50px;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
        gap: var(--space-2xl);
    }
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.footer-logo:hover {
    color: var(--color-text);
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
    filter: var(--color-logo-filter);
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.footer-links {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 480px) {
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-heading {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

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

.footer-column a {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-whatsapp:hover {
    color: #25D366;
}

.footer-youtube {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-youtube:hover {
    color: #FF0000;
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-subtle);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }
.fade-in:nth-child(5) { animation-delay: 0.5s; }

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}