/* ========================================
   Elebe Tech — Professional Services
   Fresh & Airy | Teal + Slate Palette
   ======================================== */

/* --- CSS Custom Properties --- */
: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;

    --cream-50: #fefdf8;
    --cream-100: #fefce8;
    --cream-200: #fef9c3;

    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-sm: 0 1px 3px rgba(15, 113, 107, 0.06), 0 1px 2px rgba(15, 113, 107, 0.04);
    --shadow-md: 0 4px 16px rgba(15, 113, 107, 0.08), 0 2px 6px rgba(15, 113, 107, 0.05);
    --shadow-lg: 0 12px 40px rgba(15, 113, 107, 0.12), 0 4px 12px rgba(15, 113, 107, 0.06);
    --shadow-xl: 0 24px 60px rgba(15, 113, 107, 0.14), 0 8px 20px rgba(15, 113, 107, 0.08);

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --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;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    color: var(--slate-700);
    background-color: var(--cream-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

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

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--slate-800);
    line-height: 1.2;
    font-weight: 600;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9375rem;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-600) 100%);
    color: #fff;
    border-color: var(--teal-600);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--teal-600) 0%, var(--teal-700) 100%);
    border-color: var(--teal-700);
    color: #fff;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.7);
    color: var(--teal-700);
    border-color: var(--teal-300);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    background: #fff;
    border-color: var(--teal-500);
    color: var(--teal-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-white {
    background: #fff;
    color: var(--teal-700);
    border-color: #fff;
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    background: var(--teal-50);
    border-color: var(--teal-200);
    color: var(--teal-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-ghost-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-ghost-white:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

.btn-block {
    width: 100%;
    padding: 16px 24px;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(254, 253, 248, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(204, 251, 241, 0.5);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background: rgba(254, 253, 248, 0.95);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    z-index: 1001;
}

.logo-mark {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--teal-400) 0%, var(--teal-600) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--slate-800);
}

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

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

.main-nav a:not(.btn) {
    color: var(--slate-600);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.main-nav a:not(.btn):hover {
    color: var(--teal-600);
    background: var(--teal-50);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    position: relative;
    z-index: 1001;
}

.hamburger {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 22px;
    height: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger::before,
.hamburger::after,
.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--slate-700);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger::before { content: ''; }
.hamburger::after { content: ''; }
.hamburger span { display: none; }

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translate(0, 6px);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translate(0, -6px);
}

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, var(--cream-50) 0%, var(--teal-50) 50%, var(--slate-50) 100%);
    padding-top: 76px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-gradient-1 {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 70%;
    height: 120%;
    background: radial-gradient(ellipse, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
}

.hero-gradient-2 {
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(148, 163, 184, 0.08) 0%, transparent 70%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(20, 184, 166, 0.06) 1px, transparent 1px);
    background-size: 32px 32px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 80px;
    position: relative;
    z-index: 1;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--teal-100);
    color: var(--teal-700);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 100px;
    margin-bottom: 28px;
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: clamp(2.25rem, 4.5vw, 3.75rem);
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--slate-800);
}

.text-gradient {
    background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.75;
    color: var(--slate-500);
    margin-bottom: 36px;
    max-width: 480px;
}

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

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

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

.stat-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--slate-800);
    line-height: 1;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--slate-400);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--slate-200);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    max-width: 500px;
    margin-left: auto;
}

.hero-card-main {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-card-main img {
    width: 100%;
    height: 620px;
    object-fit: cover;
}

.hero-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.4) 0%, transparent 50%);
}

.hero-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px;
    color: #fff;
}

.hero-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-card-content p {
    font-size: 0.9375rem;
    line-height: 1.6;
    opacity: 0.9;
}

.hero-card-float {
    position: absolute;
    z-index: 2;
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.hero-card-accent {
    top: 60px;
    left: -40px;
    animation-delay: -1s;
}

.float-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--teal-700);
    font-weight: 600;
    font-size: 0.9375rem;
}

.float-badge svg {
    color: var(--teal-500);
}

.hero-card-secondary {
    bottom: 120px;
    right: -30px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation-delay: -3s;
    font-weight: 600;
    color: var(--slate-700);
    font-size: 0.875rem;
    line-height: 1.5;
}

.float-icon {
    width: 40px;
    height: 40px;
    background: var(--teal-100);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-600);
    flex-shrink: 0;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--slate-400);
    border: 1px solid var(--slate-200);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.hero-scroll a:hover {
    color: var(--teal-600);
    border-color: var(--teal-300);
    transform: translateY(2px);
}

/* --- Section Common --- */
.section-header {
    max-width: 680px;
}

.section-header.text-center {
    margin: 0 auto;
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--teal-600);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.75rem);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--slate-500);
    line-height: 1.75;
}

/* --- Services --- */
.services {
    padding: 120px 0;
    background: var(--cream-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 64px;
}

.service-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    border: 1px solid var(--slate-100);
    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(--teal-400), var(--teal-600));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--teal-100);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--teal-50) 0%, var(--teal-100) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-600);
    margin-bottom: 24px;
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-600) 100%);
    color: #fff;
    transform: scale(1.05);
}

.service-card h3 {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--slate-800);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--slate-500);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--teal-600);
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: 10px;
    color: var(--teal-700);
}

/* --- About --- */
.about {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--teal-50) 0%, var(--cream-50) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
}

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

.about-image-wrapper img {
    width: 100%;
    height: 680px;
    object-fit: cover;
}

.about-image-accent {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    border: 2px solid rgba(20, 184, 166, 0.2);
    pointer-events: none;
}

.about-floating-card {
    position: absolute;
    bottom: -24px;
    right: -24px;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.afc-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-600) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.about-floating-card strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--slate-800);
}

.about-floating-card span {
    font-size: 0.8125rem;
    color: var(--slate-400);
}

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

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

.about-body {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--slate-500);
    margin-bottom: 20px;
}

.about-values {
    display: grid;
    gap: 16px;
    margin-top: 32px;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.value-check {
    width: 24px;
    height: 24px;
    background: var(--teal-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-600);
    flex-shrink: 0;
    margin-top: 2px;
}

.value-item span {
    font-size: 0.9375rem;
    color: var(--slate-600);
    font-weight: 500;
    padding-top: 3px;
}

/* --- Why Us --- */
.why-us {
    padding: 120px 0;
    background: var(--cream-50);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 64px;
}

.why-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    border: 1px solid var(--slate-100);
    transition: all var(--transition-base);
    position: relative;
}

.why-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--teal-100);
}

.why-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--teal-200) 0%, var(--teal-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 20px;
}

.why-card h3 {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--slate-800);
}

.why-card p {
    font-size: 0.9375rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* --- CTA Banner --- */
.cta-banner {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--teal-700) 0%, var(--teal-800) 50%, var(--slate-800) 100%);
}

.cta-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.cta-gradient-1 {
    position: absolute;
    top: -50%;
    left: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(45, 212, 191, 0.15) 0%, transparent 70%);
}

.cta-gradient-2 {
    position: absolute;
    bottom: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(148, 163, 184, 0.1) 0%, transparent 70%);
}

.cta-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 24px 24px;
}

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

.cta-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: #fff;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.75;
    margin-bottom: 40px;
}

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

/* --- Contact --- */
.contact {
    padding: 120px 0;
    background: var(--cream-50);
}

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

.contact-info .section-tag {
    margin-bottom: 16px;
}

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

.contact-subtitle {
    font-size: 1.0625rem;
    color: var(--slate-500);
    line-height: 1.75;
    margin-bottom: 40px;
}

.contact-details {
    display: grid;
    gap: 24px;
    margin-bottom: 32px;
}

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

.ci-icon {
    width: 48px;
    height: 48px;
    background: var(--teal-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-600);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--slate-800);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9375rem;
    color: var(--slate-500);
    line-height: 1.6;
}

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

.contact-item a:hover {
    color: var(--teal-700);
    text-decoration: underline;
}

.contact-map {
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

/* Contact Form */
.contact-form-wrapper {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 44px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--slate-100);
}

.form-header {
    margin-bottom: 32px;
}

.form-header h3 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--slate-800);
    margin-bottom: 8px;
}

.form-header p {
    font-size: 0.9375rem;
    color: var(--slate-400);
}

.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: 600;
    color: var(--slate-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--slate-700);
    background: var(--slate-50);
    border: 1.5px solid var(--slate-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(--teal-400);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--slate-300);
}

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

.form-success {
    display: none;
    text-align: center;
    padding: 48px 24px;
}

.form-success.active {
    display: block;
}

.success-icon {
    width: 72px;
    height: 72px;
    background: var(--teal-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--teal-600);
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--slate-800);
}

.form-success p {
    font-size: 0.9375rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* --- Footer --- */
.site-footer {
    background: var(--slate-800);
    color: var(--slate-400);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: #fff;
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.75;
    color: var(--slate-400);
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 20px;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
    display: grid;
    gap: 12px;
}

.footer-links a,
.footer-contact a {
    color: var(--slate-400);
    font-size: 0.9375rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.15);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--slate-500);
}

.footer-bottom a {
    color: var(--slate-400);
    font-size: 0.8125rem;
}

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

/* --- Animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-subtitle {
        max-width: 100%;
    }

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

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        max-width: 400px;
        margin: 0 auto;
    }

    .hero-card-main img {
        height: 480px;
    }

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

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

    .about-image-wrapper img {
        height: 480px;
    }

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

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

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

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

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 40px;
        gap: 8px;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
    }

    .main-nav.open {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 4px;
        width: 100%;
    }

    .main-nav a:not(.btn) {
        display: block;
        padding: 12px 16px;
        font-size: 1.0625rem;
        width: 100%;
    }

    .main-nav .btn {
        margin-top: 16px;
        width: 100%;
        justify-content: center;
    }

    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.4);
        backdrop-filter: blur(4px);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }

    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 80px;
    }

    .hero-container {
        padding-top: 0;
    }

    .hero-card-float {
        display: none;
    }

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

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

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

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

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

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

    .about-floating-card {
        right: 0;
        bottom: -16px;
    }
}

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

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

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

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