/* ============================================
   NuCO2 — Professional Services Website
   Classic & Elegant | Emerald + Cream Palette
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --emerald-950: #042f23;
    --emerald-900: #064e3b;
    --emerald-800: #065f46;
    --emerald-700: #047857;
    --emerald-600: #059669;
    --emerald-500: #10b981;
    --cream-50: #faf8f5;
    --cream-100: #f5f0e8;
    --cream-200: #ede5d5;
    --cream-300: #e0d3bc;
    --gold-400: #d4a574;
    --gold-500: #c49a6c;
    --gold-600: #b8864f;
    --text-dark: #1a1a1a;
    --text-muted: #4a4a4a;
    --text-light: #6b6b6b;
    --white: #ffffff;
    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1200px;
    --header-height: 80px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --transition: 0.3s 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(--text-dark);
    background-color: var(--cream-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: var(--emerald-700);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--emerald-600);
}

ul {
    list-style: none;
}

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

input, select, textarea {
    font-family: var(--font-sans);
    font-size: 1rem;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--emerald-900);
    color: var(--white);
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-weight: 500;
}

.skip-link:focus {
    top: 1rem;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Typography --- */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-500);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--emerald-900);
    margin-bottom: 1.25rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    line-height: 1.7;
}

.section-header--centered {
    text-align: center;
}

.section-header--centered .section-subtitle {
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-cream {
    background: var(--cream-200);
    color: var(--emerald-900);
    border: 1.5px solid var(--cream-200);
}

.btn-cream:hover {
    background: var(--cream-300);
    border-color: var(--cream-300);
    color: var(--emerald-900);
}

.btn-emerald {
    background: var(--emerald-800);
    color: var(--white);
    border: 1.5px solid var(--emerald-800);
}

.btn-emerald:hover {
    background: var(--emerald-700);
    border-color: var(--emerald-700);
    color: var(--white);
}

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

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

.btn-outline-emerald {
    background: transparent;
    color: var(--emerald-800);
    border: 1.5px solid var(--emerald-800);
}

.btn-outline-emerald:hover {
    background: var(--emerald-800);
    color: var(--white);
}

/* --- Section --- */
.section {
    padding: 6rem 0;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background: rgba(250, 248, 245, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--cream-200);
    transition: box-shadow var(--transition);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    color: var(--emerald-900);
}

.logo-mark {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gold-500);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--gold-500);
    border-radius: var(--radius-sm);
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.primary-nav ul {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.primary-nav a {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.primary-nav a:hover {
    color: var(--emerald-800);
    background: var(--cream-100);
}

/* Nav Toggle */
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.nav-toggle:hover {
    background: var(--cream-100);
}

.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(--emerald-900);
    transition: all var(--transition);
}

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

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

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

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

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--emerald-950);
    padding-top: var(--header-height);
    overflow: hidden;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(4, 47, 35, 0.92) 0%,
        rgba(6, 78, 59, 0.88) 50%,
        rgba(10, 120, 87, 0.80) 100%
    );
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-400);
    margin-bottom: 1.5rem;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 600;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero-headline em {
    font-style: italic;
    color: var(--gold-400);
}

.hero-sub {
    font-size: 1.15rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2.5rem;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gold-400);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.4;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    background: var(--cream-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--cream-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--emerald-600);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cream-100);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    color: var(--emerald-800);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: var(--emerald-800);
    color: var(--white);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--emerald-900);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    background: var(--emerald-900);
    overflow: hidden;
}

.about-dark .section-eyebrow {
    color: var(--gold-400);
}

.about-dark .section-title {
    color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 6/7;
}

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

.about-content {
    color: var(--white);
}

.about-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 1.25rem;
}

.about-signature {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--gold-400);
    line-height: 1.6;
    margin: 2rem 0;
    padding-left: 1.25rem;
    border-left: 2px solid var(--gold-500);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
}

.about-feature svg {
    color: var(--gold-400);
    flex-shrink: 0;
}

/* ============================================
   WHY CHOOSE
   ============================================ */
.why-choose {
    background: var(--cream-100);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.why-card {
    background: var(--white);
    border: 1px solid var(--cream-200);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--emerald-700), var(--gold-500));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.why-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.why-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--cream-200);
    line-height: 1;
    margin-bottom: 1rem;
    transition: color var(--transition);
}

.why-card:hover .why-number {
    color: var(--emerald-200);
}

.why-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--emerald-900);
    margin-bottom: 0.75rem;
}

.why-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.75;
}

.why-card p em {
    color: var(--emerald-700);
}

/* ============================================
   PROCESS
   ============================================ */
.process {
    background: var(--emerald-950);
}

.process-dark .section-eyebrow {
    color: var(--gold-400);
}

.process-dark .section-title {
    color: var(--white);
}

.process-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.process-steps {
    margin-top: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.process-step {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 2rem;
    padding: 2rem 0;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 28px;
    right: 28px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.process-step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-num {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gold-400);
    border: 1.5px solid var(--gold-500);
    border-radius: 50%;
    background: transparent;
    flex-shrink: 0;
}

.step-line {
    flex: 1;
    width: 1px;
    background: rgba(255, 255, 255, 0.15);
    margin-top: 0.75rem;
}

.process-step-content h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.process-step-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.75;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    background: var(--cream-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--cream-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    transition: all var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.testimonial-quote {
    color: var(--gold-400);
    margin-bottom: 1.25rem;
    opacity: 0.6;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--emerald-800);
}

/* ============================================
   CTA
   ============================================ */
.cta {
    background: var(--emerald-800);
    padding: 5rem 0;
}

.cta-emerald .cta-eyebrow {
    color: var(--gold-400);
}

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

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

.cta-body {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.75;
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    background: var(--cream-100);
}

.contact-title {
    margin-bottom: 1rem;
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 2.5rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.contact-detail {
    display: flex;
    gap: 1rem;
}

.contact-detail-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--cream-200);
    border-radius: var(--radius-md);
    color: var(--emerald-800);
    flex-shrink: 0;
}

.contact-detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold-500);
    margin-bottom: 0.25rem;
}

.contact-detail p,
.contact-detail a {
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.6;
}

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

/* --- Form --- */
.contact-form-wrapper {
    background: var(--white);
    border: 1px solid var(--cream-200);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--emerald-900);
    margin-bottom: 1.75rem;
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: var(--text-dark);
    background: var(--cream-50);
    border: 1.5px solid var(--cream-200);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--emerald-600);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

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

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

.form-note {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 1rem;
    text-align: center;
}

/* Success State */
.form-success {
    text-align: center;
    padding: 2rem;
}

.form-success .success-icon {
    color: var(--emerald-600);
    margin: 0 auto 1.25rem;
}

.form-success h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--emerald-900);
    margin-bottom: 0.75rem;
}

.form-success p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--emerald-950);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.logo-footer .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 1.5rem;
}

.logo-footer .logo-text {
    font-size: 1.35rem;
    color: var(--white);
}

.footer-brand p {
    margin-top: 1rem;
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1.25rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

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

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.55);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.55);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}

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

/* ============================================
   MOBILE NAV OVERLAY
   ============================================ */
.primary-nav.mobile-open {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--cream-50);
    z-index: 99;
    padding: 2rem 1.5rem;
    animation: slideDown 0.3s ease;
}

.primary-nav.mobile-open ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
}

.primary-nav.mobile-open a {
    display: block;
    padding: 1rem;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--cream-200);
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   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) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-stats {
        max-width: 480px;
    }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-image-wrapper {
        aspect-ratio: 16/9;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 68px;
    }

    .section {
        padding: 4rem 0;
    }

    .nav-toggle {
        display: flex;
    }

    .primary-nav {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + 2rem);
        padding-bottom: 3rem;
    }

    .hero-container {
        padding: 2rem 0;
    }

    .hero-stats {
        grid-template-columns: 1fr 1fr;
    }

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

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

    .process-step {
        grid-template-columns: 44px 1fr;
        gap: 1rem;
    }

    .step-num {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-headline {
        font-size: 1.85rem;
    }

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

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

    .stat-card {
        padding: 1.25rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }
}