/* ============================================
   Dr. Marcus LindaSusan - Dermatology Website
   Classic & Elegant Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-emerald-900: #042f2e;
    --color-emerald-800: #064e3b;
    --color-emerald-700: #065f46;
    --color-emerald-600: #047857;
    --color-emerald-500: #059669;
    --color-emerald-400: #10b981;
    --color-emerald-100: #d1fae5;
    --color-emerald-50:  #ecfdf5;

    --color-cream-900:  #1c1917;
    --color-cream-800:  #292524;
    --color-cream-700:  #44403c;
    --color-cream-600:  #57534e;
    --color-cream-500:  #78716c;
    --color-cream-400:  #a8a29e;
    --color-cream-300:  #d6d3d1;
    --color-cream-200:  #e7e5e4;
    --color-cream-100:  #f5f5f4;
    --color-cream-50:   #fafaf9;
    --color-cream-25:   #fcfbf9;
    --color-cream:      #fefcf7;

    --color-white: #ffffff;
    --color-black: #0a0a0a;

    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --shadow-sm: 0 1px 2px rgba(4, 47, 46, 0.04);
    --shadow-md: 0 4px 16px rgba(4, 47, 46, 0.08);
    --shadow-lg: 0 8px 32px rgba(4, 47, 46, 0.12);
    --shadow-xl: 0 16px 48px rgba(4, 47, 46, 0.16);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 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: 16px;
    line-height: 1.7;
    color: var(--color-cream-800);
    background-color: var(--color-cream);
    -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;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-emerald-900);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
    color: var(--color-cream-600);
}

/* --- Layout --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 48px;
    }
}

section {
    padding: 80px 0;
}

@media (min-width: 768px) {
    section {
        padding: 100px 0;
    }
}

@media (min-width: 1024px) {
    section {
        padding: 120px 0;
    }
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-emerald-600);
    margin-bottom: 16px;
    position: relative;
    padding: 0 16px;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 24px;
    height: 1px;
    background-color: var(--color-emerald-300);
}

.section-tag::before { left: -16px; }
.section-tag::after { right: -16px; }

.section-title {
    margin-bottom: 20px;
    font-weight: 600;
}

.section-subtitle {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-cream-500);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-emerald-700);
    color: var(--color-white);
    border: 2px solid var(--color-emerald-700);
}

.btn-primary:hover {
    background-color: var(--color-emerald-800);
    border-color: var(--color-emerald-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-emerald-700);
    border: 2px solid var(--color-emerald-200);
}

.btn-outline:hover {
    border-color: var(--color-emerald-500);
    background-color: var(--color-emerald-50);
    transform: translateY(-2px);
}

.btn-light {
    background-color: var(--color-white);
    color: var(--color-emerald-800);
    border: 2px solid var(--color-white);
}

.btn-light:hover {
    background-color: var(--color-emerald-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

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

.btn-lg {
    padding: 18px 40px;
    font-size: 0.95rem;
}

.btn-full {
    width: 100%;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(254, 252, 247, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-cream-200);
    transition: all var(--transition-base);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-emerald-900);
}

.logo-icon {
    color: var(--color-emerald-600);
}

.nav-links {
    display: none;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--color-cream-700);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-emerald-500);
    transition: width var(--transition-base);
}

.nav-links a:not(.btn):hover {
    color: var(--color-emerald-700);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-emerald-800);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

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

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

.mobile-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background-color: var(--color-cream);
    border-bottom: 1px solid var(--color-cream-200);
    padding: 24px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-menu a {
    display: block;
    padding: 14px 16px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-cream-700);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-menu a:hover {
    background-color: var(--color-emerald-50);
    color: var(--color-emerald-700);
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
    }
    .mobile-toggle {
        display: none;
    }
    .mobile-menu {
        display: none;
    }
}

/* --- Hero Section --- */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-50) 50%, var(--color-emerald-50) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(4, 120, 87, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(4, 47, 46, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-emerald-700);
    background-color: var(--color-emerald-50);
    border: 1px solid var(--color-emerald-100);
    padding: 8px 18px;
    border-radius: 50px;
    margin-bottom: 28px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-emerald-500);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
    margin-bottom: 24px;
    color: var(--color-emerald-900);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.85;
    color: var(--color-cream-600);
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.hero-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background-color: var(--color-emerald-100);
    border-radius: var(--radius-md);
    z-index: -1;
}

.stat-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--color-white);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2;
    animation: float 4s ease-in-out infinite;
}

.stat-card--1 {
    top: 20px;
    right: -16px;
    animation-delay: 0s;
}

.stat-card--2 {
    bottom: 80px;
    left: -24px;
    animation-delay: 1.3s;
}

.stat-card--3 {
    bottom: 16px;
    right: -8px;
    animation-delay: 2.6s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-emerald-50);
    border-radius: var(--radius-sm);
    color: var(--color-emerald-600);
    flex-shrink: 0;
}

.stat-card-content {
    display: flex;
    flex-direction: column;
}

.stat-card-number {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-emerald-900);
    line-height: 1.3;
}

.stat-card-label {
    font-size: 0.75rem;
    color: var(--color-cream-500);
    letter-spacing: 0.02em;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
    }

    .hero-image {
        height: 580px;
    }
}

/* --- Services Section --- */
.services {
    background-color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.service-card {
    padding: 36px;
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-cream-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-emerald-600), var(--color-emerald-400));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-emerald-50);
    border-radius: var(--radius-sm);
    color: var(--color-emerald-700);
    margin-bottom: 20px;
    transition: all var(--transition-base);
}

.service-card:hover .service-card-icon {
    background-color: var(--color-emerald-100);
    transform: scale(1.05);
}

.service-card-title {
    margin-bottom: 12px;
    color: var(--color-emerald-900);
    font-weight: 700;
}

.service-card-desc {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--color-cream-500);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* --- About Section --- */
.about {
    background-color: var(--color-cream-25);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

.about-image-section {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-image-secondary {
    position: absolute;
    bottom: -32px;
    right: -16px;
    width: 55%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-white);
}

.about-image-secondary-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.about-content {
    max-width: 520px;
}

.about-text {
    font-size: 1.02rem;
    line-height: 1.85;
    color: var(--color-cream-600);
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-cream-800);
}

.about-feature-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-emerald-50);
    border-radius: 50%;
    color: var(--color-emerald-600);
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1.1fr;
        gap: 80px;
    }
}

/* --- Patient Info Section --- */
.patient-info {
    background-color: var(--color-white);
}

.patient-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.patient-card {
    padding: 32px;
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-cream-200);
    transition: all var(--transition-base);
}

.patient-card:hover {
    border-color: var(--color-emerald-200);
    box-shadow: var(--shadow-md);
}

.patient-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.patient-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-emerald-50);
    border-radius: var(--radius-sm);
    color: var(--color-emerald-700);
}

.patient-card-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-emerald-900);
}

.patient-card-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.patient-card-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-cream-200);
    font-size: 0.92rem;
}

.patient-card-list li:last-child {
    border-bottom: none;
}

.day {
    color: var(--color-cream-700);
    font-weight: 600;
}

.time {
    color: var(--color-emerald-600);
    font-weight: 700;
}

.patient-card-text {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--color-cream-500);
}

@media (min-width: 768px) {
    .patient-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --- CTA Section --- */
.cta {
    background: linear-gradient(135deg, var(--color-emerald-900) 0%, var(--color-emerald-700) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta .section-tag {
    color: var(--color-emerald-300);
}

.cta .section-tag::before,
.cta .section-tag::after {
    background-color: rgba(255, 255, 255, 0.2);
}

.cta-title {
    color: var(--color-white);
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.05rem;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 36px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

/* --- Contact Section --- */
.contact {
    background-color: var(--color-cream-25);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

.contact-info {
    max-width: 440px;
}

.contact-text {
    font-size: 1.02rem;
    line-height: 1.85;
    color: var(--color-cream-500);
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-detail-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-emerald-50);
    border-radius: var(--radius-sm);
    color: var(--color-emerald-700);
    flex-shrink: 0;
}

.contact-detail-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-cream-400);
    margin-bottom: 4px;
}

.contact-detail-value {
    display: block;
    font-size: 0.95rem;
    color: var(--color-cream-800);
    font-weight: 600;
    line-height: 1.6;
}

.contact-detail-value a {
    color: var(--color-emerald-700);
}

.contact-detail-value a:hover {
    color: var(--color-emerald-500);
}

.contact-form-wrapper {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-cream-200);
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-emerald-900);
    margin-bottom: 8px;
}

.form-subtitle {
    font-size: 0.9rem;
    color: var(--color-cream-500);
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-cream-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-cream-800);
    background-color: var(--color-cream);
    border: 1.5px solid var(--color-cream-200);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-emerald-500);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-cream-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    gap: 16px;
}

.form-success.show {
    display: flex;
}

.form-success svg {
    color: var(--color-emerald-500);
}

.form-success p {
    font-size: 1rem;
    color: var(--color-cream-600);
    line-height: 1.7;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 64px;
    }
}

/* --- Footer --- */
.footer {
    background-color: var(--color-emerald-900);
    color: rgba(255, 255, 255, 0.7);
    padding: 72px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 56px;
}

.footer-logo {
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    color: var(--color-emerald-400);
}

.footer-desc {
    font-size: 0.92rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.55);
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-emerald-400);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-contact p {
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 4px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }

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

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }