/* ==========================================================================
   Vintaga Corporate Website - Premium Whisky Investment Aesthetic
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Aquitio app palette (dark teal/navy) */
    --color-bg: #0a1628;
    --color-bg-elevated: #0d1e30;
    --color-bg-card: rgba(20, 45, 70, 0.6);
    --color-surface: rgba(30, 60, 90, 0.4);
    
    --color-text: #ffffff;
    --color-text-muted: #94a3b8;
    --color-text-subtle: #64748b;
    
    --color-teal: #22d3ee;
    --color-teal-light: #67e8f9;
    --color-teal-dark: #06b6d4;
    --color-green: #22c55e;
    --color-gold: #d4a855;
    
    --color-accent: var(--color-teal);
    --color-accent-hover: var(--color-teal-light);
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Layout */
    --container-max: 1280px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* --------------------------------------------------------------------------
   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: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

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

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-teal);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
}

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

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-teal) 0%, var(--color-teal-dark) 100%);
    color: var(--color-bg);
    font-weight: 600;
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-teal-light) 0%, var(--color-teal) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(34, 211, 238, 0.3);
}

.btn--ghost {
    border: 1px solid rgba(148, 163, 184, 0.3);
    color: var(--color-text);
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.05);
}

.btn--ghost:hover {
    border-color: var(--color-teal);
    color: var(--color-teal);
    background: rgba(34, 211, 238, 0.1);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
}

.nav--scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(34, 211, 238, 0.1);
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text);
}

.nav__logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-teal);
}

.nav__links {
    display: none;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .nav__links {
        display: flex;
    }
}

.nav__link {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-teal);
    transition: width var(--transition-base);
}

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

.nav__link:hover::after {
    width: 100%;
}

.nav__social {
    display: none;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .nav__social {
        display: flex;
    }
}

.nav__social a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.nav__social a:hover {
    color: var(--color-teal);
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-sm);
    z-index: 1001;
}

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

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
}

.nav__toggle.active span:first-child {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:last-child {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.mobile-menu__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    gap: var(--space-xl);
}

.mobile-menu__link {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
    color: var(--color-teal);
}

.mobile-menu__social {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.mobile-menu__social a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-bottom: var(--space-4xl);
}

@media (min-width: 1024px) {
    .hero {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        padding: 0 var(--space-4xl);
        gap: var(--space-4xl);
    }
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(34, 211, 238, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 20% 60%, rgba(34, 197, 94, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
}

.hero__noise {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-4xl) var(--container-padding) var(--space-2xl);
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .hero__content {
        text-align: left;
        padding: 0;
        margin: 0;
        max-width: 550px;
        flex-shrink: 0;
    }
}

.hero__phone-showcase {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

@media (min-width: 1024px) {
    .hero__phone-showcase {
        padding: 0;
        margin: 0;
        flex-shrink: 0;
    }
}

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

.hero__phone-frame {
    width: 280px;
    height: auto;
    border-radius: 40px;
    background: linear-gradient(145deg, #1a2a3a 0%, #0d1e2e 100%);
    padding: 10px;
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(34, 211, 238, 0.15),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
    animation: floatPhone 6s ease-in-out infinite;
}

@media (min-width: 1024px) {
    .hero__phone-frame {
        width: 320px;
        border-radius: 44px;
        padding: 12px;
    }
    
    .hero__phone-frame img {
        border-radius: 34px;
    }
}

.hero__phone-frame img {
    width: 100%;
    height: auto;
    border-radius: 32px;
    display: block;
}

@keyframes floatPhone {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@media (max-width: 768px) {
    .hero__phone-showcase {
        max-width: 100%;
    }
    
    .hero__phone-frame {
        width: 240px;
        border-radius: 32px;
        padding: 8px;
    }
    
    .hero__phone-frame img {
        border-radius: 26px;
    }
}

.hero__intro {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-teal);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease forwards;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.3);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-teal);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.8s ease forwards;
    backdrop-filter: blur(8px);
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-teal);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero__title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease 0.1s forwards;
    opacity: 0;
}

.hero__title-line {
    display: block;
}

.hero__title-line--accent {
    color: var(--color-teal);
    font-weight: 600;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

@media (min-width: 1024px) {
    .hero__subtitle {
        margin: 0 0 var(--space-2xl);
    }
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

@media (min-width: 1024px) {
    .hero__cta {
        justify-content: flex-start;
    }
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-subtle);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeIn 1s ease 0.5s forwards;
    opacity: 0;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-teal) 0%, transparent 100%);
    animation: scrollLine 2s ease infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* --------------------------------------------------------------------------
   Who Section
   -------------------------------------------------------------------------- */
.who-section {
    padding: var(--space-5xl) 0;
    background: var(--color-bg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.who-section__grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-4xl);
    align-items: center;
}

.who-section__content {
    max-width: 600px;
}

.who-section__text {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.who-section__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-teal);
    font-weight: 500;
    transition: gap var(--transition-base);
}

.who-section__link:hover {
    gap: var(--space-md);
}

.who-section__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.who-stat {
    background: var(--color-bg-card);
    border: 1px solid rgba(34, 211, 238, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    backdrop-filter: blur(8px);
    transition: all var(--transition-base);
}

.who-stat:hover {
    border-color: rgba(34, 211, 238, 0.3);
    transform: translateY(-2px);
}

.who-stat__icon {
    display: block;
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.who-stat__label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

@media (max-width: 900px) {
    .who-section__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .who-section__stats {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 500px) {
    .who-section__stats {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-elevated);
}

.features__header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.features__header .section-subtitle {
    margin: 0 auto;
}

.features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

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

@media (min-width: 1024px) {
    .features__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(34, 211, 238, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    backdrop-filter: blur(12px);
}

.feature-card:hover {
    border-color: rgba(34, 211, 238, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(34, 211, 238, 0.1);
}

.feature-card--large {
    grid-column: 1 / -1;
}

@media (min-width: 1024px) {
    .feature-card--large {
        grid-column: span 1;
        grid-row: span 2;
        display: flex;
        flex-direction: column;
    }
    
    .feature-card--large .feature-card__text {
        flex: 1;
    }
}

.feature-card__icon {
    width: 48px;
    height: 48px;
    color: var(--color-teal);
    margin-bottom: var(--space-lg);
}

.feature-card__title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.feature-card__text {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Stats Section
   -------------------------------------------------------------------------- */
.stats {
    position: relative;
    padding: var(--space-5xl) 0;
    overflow: hidden;
}

.stats__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.stats__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
}

.stats__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        var(--color-bg) 0%,
        rgba(10, 22, 40, 0.85) 30%,
        rgba(10, 22, 40, 0.85) 70%,
        var(--color-bg) 100%
    );
}

.stats .container {
    position: relative;
    z-index: 1;
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
    text-align: center;
}

@media (min-width: 768px) {
    .stats__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat__number {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    color: var(--color-teal);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat__plus {
    font-size: 0.5em;
    color: var(--color-teal-light);
    vertical-align: super;
}

.stat__label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------------
   Regions Section
   -------------------------------------------------------------------------- */
.regions {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-elevated);
}

.regions__header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.regions__header .section-subtitle {
    margin: 0 auto;
}

.regions__map {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .regions__map {
        grid-template-columns: repeat(4, 1fr);
    }
}

.region {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
    cursor: default;
}

.region:hover {
    border-color: var(--color-teal);
    background: rgba(34, 211, 238, 0.08);
}

.region__name {
    display: block;
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
}

.region__count {
    font-size: 0.8125rem;
    color: var(--color-text-subtle);
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta {
    padding: var(--space-5xl) 0;
    background: 
        radial-gradient(ellipse 80% 60% at 50% 100%, rgba(34, 211, 238, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 30% 80%, rgba(34, 197, 94, 0.05) 0%, transparent 50%),
        var(--color-bg);
}

.cta__content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-lg);
}

.cta__text {
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
}

.cta__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

.store-badge {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.store-badge:hover {
    border-color: var(--color-teal);
    transform: translateY(-2px);
}

.store-badge svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.store-badge div {
    text-align: left;
}

.store-badge span {
    display: block;
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.store-badge strong {
    font-size: 1.125rem;
    font-weight: 500;
}

.store-badge--coming {
    opacity: 0.6;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--space-4xl) 0 var(--space-2xl);
    background: var(--color-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

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

@media (min-width: 1024px) {
    .footer__grid {
        grid-template-columns: 2fr repeat(3, 1fr) 2fr;
    }
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.footer__logo svg {
    width: 28px;
    height: 28px;
    color: var(--color-teal);
}

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

.footer__links h4 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-subtle);
    margin-bottom: var(--space-lg);
}

.footer__links a {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-teal);
}

.footer__newsletter h4 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-subtle);
    margin-bottom: var(--space-md);
}

.footer__newsletter p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

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

.footer__form input {
    flex: 1;
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9375rem;
}

.footer__form input::placeholder {
    color: var(--color-text-subtle);
}

.footer__form input:focus {
    outline: none;
    border-color: var(--color-teal);
}

.footer__form button {
    padding: var(--space-md);
    background: var(--color-teal);
    border-radius: var(--radius-md);
    color: var(--color-bg);
    transition: all var(--transition-fast);
}

.footer__form button:hover {
    background: linear-gradient(135deg, var(--color-teal-light) 0%, var(--color-teal) 100%);
}

.footer__bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (min-width: 640px) {
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

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

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

.footer__social a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__social a:hover {
    color: var(--color-teal);
}

/* --------------------------------------------------------------------------
   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;
}