/* ============================================
   Allergy & Asthma Specialty Center
   Classic & Elegant Medical Website
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-midnight: #0A2342;
    --color-midnight-light: #132D4A;
    --color-midnight-dark: #061829;
    --color-mint: #7FBFA8;
    --color-mint-light: #A8D4C0;
    --color-mint-pale: #E8F4EE;
    --color-cream: #F7F5F0;
    --color-cream-dark: #EDE9E0;
    --color-white: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-light: #4A4A4A;
    --color-text-muted: #6B6B6B;
    --color-border: #E0DCD4;
    --color-border-light: #EDE9E0;

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

    --fs-xs: clamp(0.7rem, 0.8vw, 0.8rem);
    --fs-sm: clamp(0.8rem, 0.9vw, 0.9rem);
    --fs-base: clamp(0.95rem, 1vw, 1.05rem);
    --fs-md: clamp(1.1rem, 1.2vw, 1.25rem);
    --fs-lg: clamp(1.4rem, 1.6vw, 1.6rem);
    --fs-xl: clamp(1.8rem, 2.2vw, 2.2rem);
    --fs-2xl: clamp(2.2rem, 3vw, 3rem);
    --fs-3xl: clamp(2.8rem, 4vw, 4rem);
    --fs-4xl: clamp(3.2rem, 5vw, 5rem);

    --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;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 3px rgba(10, 35, 66, 0.06);
    --shadow-md: 0 4px 20px rgba(10, 35, 66, 0.08);
    --shadow-lg: 0 8px 40px rgba(10, 35, 66, 0.12);
    --shadow-xl: 0 16px 60px rgba(10, 35, 66, 0.16);

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s 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: var(--fs-base);
    line-height: 1.7;
    color: var(--color-text);
    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;
}

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

ul, ol {
    list-style: none;
}

address {
    font-style: normal;
}

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

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

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

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--fs-2xl);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: var(--space-lg);
}

.section-line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-mint), var(--color-mint-light));
    margin-bottom: var(--space-xl);
}

.section-desc {
    font-size: var(--fs-md);
    color: var(--color-text-light);
    max-width: 640px;
    line-height: 1.8;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 0.8em 1.8em;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-mint);
    color: var(--color-midnight);
    border: 2px solid var(--color-mint);
}

.btn--primary:hover,
.btn--primary:focus {
    background: var(--color-mint-light);
    border-color: var(--color-mint-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn--outline:hover,
.btn--outline:focus {
    background: var(--color-midnight);
    color: var(--color-white);
    transform: translateY(-1px);
}

.btn--outline-light {
    background: transparent;
    color: var(--color-midnight);
    border: 2px solid var(--color-midnight);
}

.btn--outline-light:hover,
.btn--outline-light:focus {
    background: var(--color-midnight);
    color: var(--color-white);
}

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

.btn--light:hover,
.btn--light:focus {
    background: var(--color-mint-pale);
    border-color: var(--color-mint-pale);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn--lg {
    font-size: var(--fs-base);
    padding: 1em 2.2em;
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(247, 245, 240, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    padding-top: 0;
    padding-bottom: 0;
    height: 72px;
    gap: var(--space-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}

.logo-mark {
    width: 36px;
    height: 36px;
    position: relative;
    flex-shrink: 0;
}

.logo-mark::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1.5px solid var(--color-mint);
    border-radius: 50%;
}

.logo-mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 14px;
    transform: translate(-50%, -50%) rotate(45deg);
    border: 1.5px solid var(--color-mint);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.logo-name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-midnight);
    letter-spacing: 0.01em;
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.nav-list {
    display: none;
    align-items: center;
    gap: var(--space-2xl);
    margin-left: auto;
}

.nav-list a {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.03em;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-mint);
    transition: width var(--transition-base);
}

.nav-list a:hover {
    color: var(--color-midnight);
}

.nav-list a:hover::after {
    width: 100%;
}

.btn--nav {
    display: none;
}

.mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-left: auto;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.mobile-toggle:hover {
    background: var(--color-cream-dark);
}

.hamburger {
    position: relative;
    width: 20px;
    height: 14px;
    display: block;
}

.hamburger::before,
.hamburger::after,
.hamburger span {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: var(--color-midnight);
    transition: all var(--transition-base);
}

.hamburger::before { top: 0; }
.hamburger span { top: 50%; transform: translateY(-50%); }
.hamburger::after { bottom: 0; }

.mobile-toggle[aria-expanded="true"] .hamburger::before {
    top: 50%;
    transform: rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] .hamburger span {
    opacity: 0;
}

.mobile-toggle[aria-expanded="true"] .hamburger::after {
    bottom: 50%;
    transform: rotate(-45deg);
}

/* --- Mobile Nav --- */
.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 35, 66, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    height: 100dvh;
    background: var(--color-white);
    z-index: 999;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
}

.mobile-nav a {
    font-family: var(--font-serif);
    font-size: var(--fs-xl);
    font-weight: 500;
    color: var(--color-midnight);
    display: block;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
    transition: color var(--transition-fast);
}

.mobile-nav a:last-child {
    border-bottom: none;
    margin-top: var(--space-md);
}

.mobile-nav .btn {
    width: 100%;
    justify-content: center;
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-midnight);
    overflow: hidden;
    padding: var(--space-5xl) var(--space-xl);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(127, 191, 168, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(127, 191, 168, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 100% 80% at 50% 50%, rgba(10, 35, 66, 0.9) 0%, rgba(6, 24, 41, 0.95) 100%);
    z-index: 1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(127, 191, 168, 0.04) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(127, 191, 168, 0.04) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(127, 191, 168, 0.03) 1px, transparent 1px);
    background-size: 60px 60px, 80px 80px, 40px 40px;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero-ornament {
    color: var(--color-mint);
    opacity: 0.4;
    margin-bottom: var(--space-xl);
    display: flex;
    justify-content: center;
}

.hero-eyebrow {
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: var(--space-xl);
}

.hero-headline {
    font-size: var(--fs-4xl);
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--space-xl);
    letter-spacing: -0.01em;
}

.hero-accent {
    color: var(--color-mint);
    font-style: italic;
    font-weight: 400;
}

.hero-sub {
    font-size: var(--fs-md);
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    max-width: 580px;
    margin: 0 auto var(--space-2xl);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.trust-label {
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
}

.trust-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-mint);
    opacity: 0.4;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.35);
    font-size: var(--fs-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* --- Services --- */
.services {
    padding: var(--space-5xl) 0;
    background: var(--color-cream);
}

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

.section-header .section-line {
    margin-left: auto;
    margin-right: auto;
}

.section-header .section-desc {
    margin-left: auto;
    margin-right: auto;
}

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

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
    border: 1px solid var(--color-border-light);
    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-mint), var(--color-mint-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

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

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-mint-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-midnight);
    margin-bottom: var(--space-lg);
}

.service-card h3 {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-midnight);
}

.service-card p {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: 1.75;
}

/* --- About --- */
.about {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

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

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

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

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    border: 2px solid var(--color-mint);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.4;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: 1.85;
    margin-bottom: var(--space-xl);
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.value-item {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.value-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--color-mint-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-midnight);
    flex-shrink: 0;
}

.value-item strong {
    display: block;
    font-family: var(--font-serif);
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--color-midnight);
    margin-bottom: 2px;
}

.value-item span {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- Approach --- */
.approach {
    padding: var(--space-5xl) 0;
    background: var(--color-midnight);
    color: var(--color-white);
}

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

.approach-content .section-title {
    color: var(--color-white);
}

.approach-content .section-line {
    margin-bottom: var(--space-2xl);
}

.approach-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.step {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
}

.step-number {
    font-family: var(--font-serif);
    font-size: var(--fs-2xl);
    font-weight: 600;
    color: var(--color-mint);
    line-height: 1;
    flex-shrink: 0;
    width: 48px;
}

.step h3 {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.step p {
    font-size: var(--fs-base);
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.75;
}

.approach-image-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.approach-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* --- Insurance --- */
.insurance {
    padding: var(--space-4xl) 0;
    background: var(--color-mint-pale);
}

.insurance-inner {
    max-width: 720px;
    text-align: center;
}

.insurance-text {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: 1.85;
    margin-bottom: var(--space-xl);
}

.insurance-text a {
    color: var(--color-midnight);
    font-weight: 500;
    border-bottom: 1px solid var(--color-mint);
    transition: color var(--transition-fast);
}

.insurance-text a:hover {
    color: var(--color-mint);
}

.insurance-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.badge-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-midnight);
}

.badge-item svg {
    color: var(--color-mint);
}

/* --- CTA --- */
.cta {
    padding: var(--space-5xl) 0;
    background: var(--color-cream);
}

.cta-inner {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-eyebrow {
    margin-bottom: var(--space-lg);
}

.cta-title {
    font-size: var(--fs-2xl);
    margin-bottom: var(--space-xl);
}

.cta-text {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: 1.85;
    margin-bottom: var(--space-2xl);
}

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

/* --- Contact --- */
.contact {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

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

.contact-info .section-title {
    text-align: left;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.contact-item {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

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

.contact-item strong {
    display: block;
    font-family: var(--font-serif);
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--color-midnight);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: 1.7;
}

.contact-item a {
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-mint);
}

.contact-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

/* --- Contact Form --- */
.contact-form-wrap {
    background: var(--color-cream);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    border: 1px solid var(--color-border-light);
}

.form-title {
    font-size: var(--fs-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    text-align: center;
}

.form-desc {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: var(--space-2xl);
}

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

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-midnight);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75em 1em;
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    color: var(--color-text);
    background: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-mint);
    box-shadow: 0 0 0 3px rgba(127, 191, 168, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

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

.form-success {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.success-icon {
    color: var(--color-mint);
    margin-bottom: var(--space-lg);
}

.form-success h4 {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-md);
}

.form-success p {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: 1.75;
}

/* --- Footer --- */
.footer {
    background: var(--color-midnight-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--space-4xl) 0 var(--space-xl);
}

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

.logo--footer .logo-name {
    color: var(--color-white);
}

.logo--footer .logo-sub {
    color: rgba(255, 255, 255, 0.4);
}

.footer-tagline {
    font-size: var(--fs-sm);
    line-height: 1.8;
    margin-top: var(--space-lg);
    max-width: 320px;
    color: rgba(255, 255, 255, 0.45);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.footer-col h4 {
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: var(--space-lg);
}

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

.footer-col a {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

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

.footer-col address {
    font-size: var(--fs-sm);
    line-height: 1.8;
}

.footer-col address a {
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.3);
}

.footer-legal {
    font-size: var(--fs-xs);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* --- 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);
}

.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; }
.fade-in-delay-6 { transition-delay: 0.6s; }

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

    .about-image img {
        height: 500px;
    }
}

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

    .btn--nav {
        display: inline-flex;
    }

    .mobile-toggle {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-4xl);
    }

    .about-content .section-title {
        text-align: left;
    }

    .approach-inner {
        grid-template-columns: 1.2fr 1fr;
        gap: var(--space-4xl);
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4xl);
        align-items: start;
    }

    .contact-info .section-title {
        text-align: left;
    }

    .footer-inner {
        grid-template-columns: 1.5fr 1fr;
    }

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

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

    .header-inner {
        height: 80px;
    }
}

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}