/* ========================================
   Brownstone Therapeutics — Styles
   ======================================== */

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

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-300: #5eead4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --teal-900: #134e4a;
    
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    --warm-50: #fefce8;
    --warm-100: #fef9c3;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08), 0 2px 6px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(15, 23, 42, 0.06);
    --shadow-xl: 0 20px 60px rgba(15, 23, 42, 0.15), 0 8px 20px rgba(15, 23, 42, 0.08);
    
    --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--slate-800);
    background: var(--slate-50);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: var(--teal-600);
    text-decoration: none;
    transition: color var(--transition);
}

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

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--teal-700);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-weight: 600;
}

.skip-link:focus {
    top: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--teal-600);
    color: white;
    border-color: var(--teal-600);
}

.btn-primary:hover {
    background: var(--teal-700);
    border-color: var(--teal-700);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-light {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
    background: white;
    color: var(--teal-700);
    border-color: white;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.05rem;
}

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

/* ========================================
   Navbar
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: box-shadow var(--transition);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--teal-700);
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.2;
    text-decoration: none;
}

.logo:hover {
    color: var(--teal-700);
}

.logo-icon {
    color: var(--teal-600);
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-serif);
}

.logo-sub {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--slate-500);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav a:not(.btn) {
    color: var(--slate-600);
    font-weight: 500;
    font-size: 0.938rem;
    position: relative;
}

.main-nav a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--teal-600);
    border-radius: 1px;
    transition: width var(--transition);
}

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

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

.nav-cta {
    padding: 10px 22px !important;
    font-size: 0.9rem !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    position: relative;
    align-items: center;
    justify-content: center;
}

.hamburger {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--slate-700);
    position: relative;
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--slate-700);
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ========================================
   Hero
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--slate-900);
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 23, 42, 0.82) 0%,
        rgba(13, 148, 136, 0.65) 50%,
        rgba(15, 23, 42, 0.80) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 120px 24px 80px;
    max-width: 760px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--teal-200);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 28px;
    backdrop-filter: blur(8px);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 600;
    color: white;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title em {
    color: var(--teal-300);
    font-style: italic;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 56px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.938rem;
    font-weight: 500;
}

.trust-item svg {
    color: var(--teal-300);
    flex-shrink: 0;
}

/* ========================================
   Section Shared
   ======================================== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.813rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--teal-600);
    background: var(--teal-50);
    border: 1px solid var(--teal-200);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 600;
    color: var(--slate-900);
    line-height: 1.2;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* ========================================
   Services
   ======================================== */
.services {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--teal-50);
    border: 1px solid var(--teal-200);
    border-radius: var(--radius-md);
    color: var(--teal-700);
    margin-bottom: 20px;
    transition: all var(--transition);
}

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

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--slate-800);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.938rem;
    color: var(--slate-500);
    line-height: 1.65;
}

/* ========================================
   About
   ======================================== */
.about {
    background: var(--slate-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 450px;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -32px;
    right: -24px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid white;
}

.about-img-secondary img {
    width: 260px;
    height: 180px;
    object-fit: cover;
}

.about-experience {
    position: absolute;
    top: -20px;
    left: -20px;
    background: var(--teal-600);
    color: white;
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.about-experience .exp-number {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
}

.about-experience .exp-label {
    font-size: 0.813rem;
    font-weight: 500;
    opacity: 0.85;
    line-height: 1.3;
    margin-top: 4px;
}

.about-content .section-tag {
    margin-bottom: 16px;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text {
    font-size: 1.05rem;
    color: var(--slate-600);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 32px 0;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: var(--slate-700);
    font-size: 0.938rem;
}

.value-item svg {
    color: var(--teal-500);
    flex-shrink: 0;
}

.about-content .btn {
    margin-top: 8px;
}

/* ========================================
   Why Us
   ======================================== */
.why-us {
    background: var(--slate-900);
    color: white;
}

.why-us .section-tag {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--teal-300);
}

.why-us .section-title {
    color: white;
}

.why-us .section-subtitle {
    color: var(--slate-400);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.why-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(45, 212, 191, 0.3);
    transform: translateY(-2px);
}

.why-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--teal-500);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.6;
}

.why-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
}

.why-card p {
    font-size: 0.938rem;
    color: var(--slate-400);
    line-height: 1.7;
}

/* ========================================
   Testimonials
   ======================================== */
.testimonials {
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
}

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

.testimonial-stars {
    display: flex;
    gap: 4px;
    color: #f59e0b;
    margin-bottom: 20px;
}

.testimonial-card blockquote {
    font-size: 1rem;
    color: var(--slate-600);
    line-height: 1.75;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-name {
    font-weight: 600;
    color: var(--slate-800);
    font-size: 0.938rem;
}

.author-detail {
    font-size: 0.813rem;
    color: var(--slate-400);
}

/* ========================================
   CTA
   ======================================== */
.cta {
    background: linear-gradient(135deg, var(--teal-700) 0%, var(--teal-600) 50%, var(--teal-500) 100%);
    padding: 80px 0;
}

.cta-content {
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.cta .section-tag {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    color: white;
}

.cta .section-title {
    color: white;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 36px;
}

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

.cta-actions .btn-outline-light {
    border-color: rgba(255, 255, 255, 0.6);
    color: white;
}

.cta-actions .btn-outline-light:hover {
    background: white;
    color: var(--teal-700);
    border-color: white;
}

/* ========================================
   Contact
   ======================================== */
.contact {
    background: var(--slate-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 16px;
}

.contact-text {
    font-size: 1.05rem;
    color: var(--slate-500);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--teal-50);
    border: 1px solid var(--teal-200);
    border-radius: var(--radius-md);
    color: var(--teal-600);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.813rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--slate-500);
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    font-size: 0.938rem;
    color: var(--slate-700);
    line-height: 1.6;
}

.contact-item a:hover {
    color: var(--teal-600);
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Contact Form */
.contact-form-wrapper {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--slate-800);
    margin-bottom: 6px;
}

.form-note {
    font-size: 0.875rem;
    color: var(--slate-400);
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--slate-200);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.938rem;
    color: var(--slate-800);
    background: var(--slate-50);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--teal-500);
    background: white;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    padding: 14px 18px;
    background: var(--teal-50);
    border: 1px solid var(--teal-200);
    border-radius: var(--radius-md);
    color: var(--teal-800);
    font-weight: 500;
    font-size: 0.938rem;
}

.form-success svg {
    color: var(--teal-500);
    flex-shrink: 0;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--slate-900);
    color: var(--slate-400);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
}

.logo-light {
    color: white;
    margin-bottom: 16px;
}

.logo-light .logo-sub {
    color: var(--slate-500);
}

.footer-brand p {
    font-size: 0.938rem;
    line-height: 1.7;
    color: var(--slate-400);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--slate-400);
    font-size: 0.938rem;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--teal-400);
}

.footer-contact p {
    font-size: 0.938rem;
    line-height: 1.8;
}

.footer-contact a {
    color: var(--slate-400);
}

.footer-contact a:hover {
    color: var(--teal-400);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.813rem;
    color: var(--slate-500);
}

.footer-bottom a {
    color: var(--slate-500);
}

.footer-bottom a:hover {
    color: var(--teal-400);
}

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--teal-600);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition);
    z-index: 50;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--teal-700);
    transform: translateY(-2px);
}

/* ========================================
   Scroll Reveal (progressive enhancement)
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        justify-self: center;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

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

    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: stretch;
        padding: 24px;
        gap: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        opacity: 0;
        transition: all var(--transition);
        pointer-events: none;
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .main-nav a:not(.btn) {
        font-size: 1.05rem;
        padding: 8px 0;
    }

    .nav-cta {
        text-align: center;
    }

    .hero-content {
        padding: 120px 24px 80px;
    }

    .hero-actions {
        flex-direction: column;
    }

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

    .hero-trust {
        gap: 16px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .about-images {
        max-width: 480px;
    }

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

    .about-content .section-tag {
        display: inline-block;
        margin-bottom: 12px;
    }

    .about-text {
        text-align: center;
    }

    .about-content .btn {
        display: inline-flex;
        margin: 0 auto;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }

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

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .contact-info .section-tag {
        display: inline-block;
        margin-bottom: 12px;
    }

    .contact-text {
        text-align: center;
    }

    .contact-form-wrapper {
        padding: 28px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .section {
        padding: 72px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 1.9rem;
    }

    .about-experience {
        top: -12px;
        left: -12px;
        padding: 14px 18px;
    }

    .about-experience .exp-number {
        font-size: 1.6rem;
    }

    .about-img-secondary {
        right: -12px;
        bottom: -20px;
    }

    .about-img-secondary img {
        width: 200px;
        height: 140px;
    }
}