/* ============================================
   Soham Pulmonary Group — Custom Styles
   Bold Editorial • Teal & Slate Grey
   ============================================ */

/* CSS Custom Properties */
:root {
    --color-teal-50: #f0fdfa;
    --color-teal-100: #ccfbf1;
    --color-teal-200: #99f6e4;
    --color-teal-300: #5eead4;
    --color-teal-400: #2dd4bf;
    --color-teal-500: #14b8a6;
    --color-teal-600: #0d9488;
    --color-teal-700: #0f766e;
    --color-teal-800: #115e59;
    --color-teal-900: #134e4a;
    
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    --color-slate-950: #080d16;
    
    --color-white: #ffffff;
    --color-black: #000000;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --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;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-slate-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-2xl);
    }
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-slate-100);
    transition: var(--transition-base);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-slate-900);
}

.nav__logo-text {
    letter-spacing: -0.02em;
}

.nav__logo-accent {
    color: var(--color-teal-600);
}

.nav__menu {
    display: none;
    align-items: center;
    gap: var(--space-xl);
}

.nav__link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-slate-600);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-teal-600);
    transition: width var(--transition-base);
}

.nav__link:hover {
    color: var(--color-teal-600);
}

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

.nav__cta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.625rem 1.25rem;
    background: var(--color-teal-600);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav__cta:hover {
    background: var(--color-teal-700);
    transform: translateY(-1px);
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: 1001;
}

.nav__toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-slate-700);
    border-radius: 2px;
    transition: var(--transition-base);
}

.nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (min-width: 1024px) {
    .nav__menu {
        display: flex;
    }
    
    .nav__toggle {
        display: none;
    }
}

/* Mobile Menu */
@media (max-width: 1023px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px var(--space-xl) var(--space-xl);
        gap: var(--space-lg);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-2xl);
    }
    
    .nav__menu.active {
        transform: translateX(0);
    }
    
    .nav__link {
        font-size: 1.125rem;
    }
    
    .nav__cta {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background: linear-gradient(135deg, var(--color-slate-50) 0%, var(--color-white) 50%, var(--color-teal-50) 100%);
    overflow: hidden;
}

.hero__bg-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 80%, rgba(13, 148, 136, 0.06) 0%, transparent 50%),
                      radial-gradient(circle at 80% 20%, rgba(13, 148, 136, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
    padding: var(--space-3xl) 0;
}

.hero__content {
    max-width: 600px;
}

.hero__eyebrow {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-teal-600);
    margin-bottom: var(--space-xl);
}

.hero__eyebrow-line {
    display: block;
    width: 32px;
    height: 2px;
    background: var(--color-teal-600);
}

.hero__headline {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--color-slate-900);
    margin-bottom: var(--space-xl);
}

.hero__headline-accent {
    font-style: italic;
    color: var(--color-teal-600);
}

.hero__subtitle {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    line-height: 1.7;
    color: var(--color-slate-600);
    margin-bottom: var(--space-2xl);
    max-width: 520px;
}

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

/* Floating Stat Cards */
.hero__stats {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.stat-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-slate-100);
    animation: floatUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

.stat-card[data-delay="0"] { animation-delay: 0.2s; }
.stat-card[data-delay="100"] { animation-delay: 0.3s; }
.stat-card[data-delay="200"] { animation-delay: 0.4s; }

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

.stat-card--1 {
    transform: translateY(20px);
    animation: floatUp 0.6s ease 0.2s forwards;
}

.stat-card--2 {
    transform: translateY(20px);
    animation: floatUp 0.6s ease 0.3s forwards;
    margin-top: var(--space-lg);
}

.stat-card--3 {
    transform: translateY(20px);
    animation: floatUp 0.6s ease 0.4s forwards;
}

.stat-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-teal-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.stat-card__number {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-teal-600);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.stat-card__label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-slate-500);
    line-height: 1.4;
    margin-top: var(--space-xs);
}

.hero__image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 3/4;
}

.hero__image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.3) 0%, transparent 50%);
    border-radius: var(--radius-xl);
}

@media (min-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr 480px;
        gap: var(--space-4xl);
        padding: var(--space-4xl) 0;
    }
    
    .hero__image {
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 480px;
        height: 640px;
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-teal-600);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
}

.btn--primary:hover {
    background: var(--color-teal-700);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}

.btn--outline {
    background: transparent;
    color: var(--color-slate-700);
    border: 1.5px solid var(--color-slate-200);
}

.btn--outline:hover {
    border-color: var(--color-teal-600);
    color: var(--color-teal-600);
    transform: translateY(-2px);
}

.btn--white {
    background: var(--color-white);
    color: var(--color-teal-700);
    box-shadow: var(--shadow-lg);
}

.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn--outline-white {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.btn--outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

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

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

/* ============================================
   Section Header
   ============================================ */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-3xl);
}

.section-header__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-teal-600);
    margin-bottom: var(--space-md);
}

.section-header__eyebrow--light {
    color: var(--color-teal-200);
}

.section-header__title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: var(--color-slate-900);
    margin-bottom: var(--space-lg);
}

.section-header--light .section-header__title {
    color: var(--color-white);
}

.section-header__subtitle {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-slate-500);
}

.section-header--light .section-header__subtitle {
    color: var(--color-slate-300);
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

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

.service-card {
    padding: var(--space-xl);
    background: var(--color-slate-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-slate-100);
    transition: all var(--transition-base);
}

.service-card:hover {
    background: var(--color-white);
    border-color: var(--color-teal-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-teal-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    color: var(--color-teal-600);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: var(--color-teal-600);
    color: var(--color-white);
}

.service-card__title {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-slate-900);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.service-card__description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-slate-500);
}

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

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

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--space-4xl) 0;
    background: var(--color-slate-50);
}

.about__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about__image-wrapper {
    position: relative;
}

.about__image-wrapper img {
    width: 100%;
    height: auto;
    aspect-ratio: 5/6;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.about__image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--color-teal-600);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about__content {
    max-width: 520px;
}

.about__title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--color-slate-900);
    margin-bottom: var(--space-xl);
}

.about__text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-slate-600);
    margin-bottom: var(--space-lg);
}

.about__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin: var(--space-2xl) 0;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-slate-700);
}

.about__feature-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .about__container {
        grid-template-columns: 480px 1fr;
    }
}

/* ============================================
   Conditions Section
   ============================================ */
.conditions {
    padding: var(--space-4xl) 0;
    background: var(--color-slate-900);
    position: relative;
    overflow: hidden;
}

.conditions::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 30% 70%, rgba(13, 148, 136, 0.15) 0%, transparent 50%),
                      radial-gradient(circle at 70% 30%, rgba(13, 148, 136, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.conditions__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    position: relative;
    z-index: 1;
}

.condition-tag {
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-slate-300);
    transition: all var(--transition-base);
}

.condition-tag:hover {
    background: rgba(13, 148, 136, 0.15);
    border-color: var(--color-teal-500);
    color: var(--color-teal-300);
    transform: translateY(-2px);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-teal-700) 0%, var(--color-teal-600) 50%, var(--color-teal-500) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.cta__card {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
    text-align: center;
}

.cta__title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.cta__text {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    max-width: 520px;
    margin: 0 auto;
}

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

@media (min-width: 768px) {
    .cta__card {
        grid-template-columns: 1fr auto;
        text-align: left;
    }
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

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

.contact__item {
    display: flex;
    gap: var(--space-lg);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-slate-100);
}

.contact__item:last-child {
    border-bottom: none;
}

.contact__item-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-teal-50);
    border-radius: var(--radius-md);
}

.contact__item-label {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-slate-400);
    margin-bottom: var(--space-xs);
}

.contact__item-value {
    font-size: 1rem;
    color: var(--color-slate-700);
    line-height: 1.6;
}

.contact__item-value a {
    color: var(--color-teal-600);
    transition: color var(--transition-fast);
}

.contact__item-value a:hover {
    color: var(--color-teal-700);
}

/* Form */
.contact__form-wrapper {
    background: var(--color-slate-50);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--color-slate-100);
}

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

.form__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-slate-700);
    margin-bottom: var(--space-sm);
}

.form__input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--color-slate-800);
    background: var(--color-white);
    border: 1.5px solid var(--color-slate-200);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form__input:focus {
    border-color: var(--color-teal-500);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.form__input::placeholder {
    color: var(--color-slate-400);
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

/* Success Message */
.contact__success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
    padding: var(--space-2xl);
}

.contact__success-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-teal-50);
    border-radius: 50%;
}

.contact__success-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-slate-900);
}

.contact__success-text {
    font-size: 0.9375rem;
    color: var(--color-slate-500);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .contact__grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-slate-900);
    color: var(--color-slate-400);
    padding: var(--space-4xl) 0 var(--space-xl);
}

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

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.footer__logo-text {
    letter-spacing: -0.02em;
}

.footer__logo-accent {
    color: var(--color-teal-400);
}

.footer__description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-slate-400);
    max-width: 300px;
}

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

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

.footer__list li a,
.footer__list li span {
    font-size: 0.9375rem;
    color: var(--color-slate-400);
    transition: color var(--transition-fast);
    line-height: 1.6;
}

.footer__list li a:hover {
    color: var(--color-teal-400);
}

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
}

.footer__copyright {
    font-size: 0.875rem;
    color: var(--color-slate-500);
}

.footer__disclaimer {
    font-size: 0.8125rem;
    color: var(--color-slate-600);
    line-height: 1.6;
}

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
    
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.stagger-children .fade-in:nth-child(1) { transition-delay: 0.05s; }
.stagger-children .fade-in:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .fade-in:nth-child(3) { transition-delay: 0.15s; }
.stagger-children .fade-in:nth-child(4) { transition-delay: 0.2s; }
.stagger-children .fade-in:nth-child(5) { transition-delay: 0.25s; }
.stagger-children .fade-in:nth-child(6) { transition-delay: 0.3s; }