/* ============================================================
   RELIANT TECH MAINTENANCE — Ultra-Modern CSS
   ============================================================ */

/* ── CSS Custom Properties ── */
:root {
    /* Primary — Teal from logo */
    --primary: #1B7F8E;
    --primary-light: #239DAE;
    --primary-dark: #156A77;
    --primary-50: rgba(27, 127, 142, 0.08);
    --primary-100: rgba(27, 127, 142, 0.15);

    /* Accent — Green from logo */
    --accent: #8CB63C;
    --accent-light: #9EC94E;
    --accent-dark: #739A2A;
    --accent-glow: rgba(140, 182, 60, 0.25);

    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F8FAFB;
    --gray-100: #F0F4F5;
    --gray-200: #E2E8EA;
    --gray-300: #C8D3D6;
    --gray-400: #8DA0A6;
    --gray-500: #5F7A82;
    --gray-600: #3E5A62;
    --gray-700: #2C444B;
    --gray-800: #1A2F35;
    --gray-900: #0E1F24;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1B7F8E, #239DAE);
    --gradient-accent: linear-gradient(135deg, #8CB63C, #9EC94E);
    --gradient-hero: linear-gradient(135deg, #0E1F24 0%, #1A2F35 50%, #0E1F24 100%);
    --gradient-text: linear-gradient(135deg, #1B7F8E, #8CB63C);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(255,255,255,0.7));
    --gradient-dark: linear-gradient(135deg, #0E1F24, #1A2F35, #0E1F24);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 30px rgba(27, 127, 142, 0.15);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-primary: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

/* ── Gradient Text ── */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Preloader ── */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--gray-900);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s, visibility 0.5s;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    position: relative;
}

.loader-inner {
    position: absolute;
    inset: 5px;
    border: 3px solid rgba(255,255,255,0.1);
    border-bottom-color: var(--primary-light);
    border-radius: 50%;
    animation: spin 0.6s linear infinite reverse;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 15px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: var(--transition);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(140, 182, 60, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(140, 182, 60, 0.4);
}

.btn-outline {
    border-color: var(--white);
    color: var(--white);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline-white {
    border-color: var(--white);
    color: var(--white);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

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

/* ── Navigation ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 6px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

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

.nav-logo img {
    height: 90px;
    width: auto;
    transition: var(--transition);
    filter: brightness(0) invert(1);
}

.navbar.scrolled .nav-logo img {
    height: 80px;
    filter: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    font-weight: 500;
    font-size: 15px;
    color: rgba(255,255,255,0.9);
    border-radius: var(--radius-full);
    transition: var(--transition);
    position: relative;
}

.navbar.scrolled .nav-link {
    color: var(--gray-700);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.15);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--primary);
    background: var(--primary-50);
}

.nav-cta {
    padding: 10px 28px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(140, 182, 60, 0.3);
}

.nav-cta:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(140, 182, 60, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 28px;
    height: 2.5px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--gray-800);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero ── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(14, 31, 36, 0.93) 0%,
        rgba(26, 47, 53, 0.88) 30%,
        rgba(27, 127, 142, 0.35) 60%,
        rgba(14, 31, 36, 0.95) 100%
    );
}

/* Hero Decorative Shapes */
.hero-shapes {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.06;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--accent);
    top: -200px;
    right: -100px;
    animation: floatShape 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--primary-light);
    bottom: -100px;
    left: -100px;
    animation: floatShape 25s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    border: 2px solid rgba(140, 182, 60, 0.2);
    background: transparent;
    top: 30%;
    right: 15%;
    border-radius: var(--radius-xl);
    transform: rotate(45deg);
    animation: rotateShape 30s linear infinite;
}

.shape-4 {
    width: 120px;
    height: 120px;
    border: 2px solid rgba(27, 127, 142, 0.15);
    background: transparent;
    bottom: 25%;
    left: 10%;
    border-radius: var(--radius-md);
    transform: rotate(20deg);
    animation: rotateShape 25s linear infinite reverse;
}

@keyframes floatShape {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

@keyframes rotateShape {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 120px;
    padding-bottom: 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    color: rgba(255, 255, 255, 0.95);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 32px;
}

.hero-badge i {
    color: var(--accent-light);
    font-size: 16px;
}

.hero h1 {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, #8CB63C, #9EC94E, #B8D96A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.85);
    max-width: 650px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 28px 36px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    max-width: fit-content;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-light);
}

.stat-label {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 6px;
    font-weight: 400;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: block;
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 14px;
    position: relative;
}

.hero-scroll a span {
    display: block;
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 28px; }
}

/* ── Section Header ── */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(140, 182, 60, 0.1);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 18px;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ── About ── */
.about {
    background: var(--gray-50);
}

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

.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

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

.about-image-badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    padding: 20px 28px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.badge-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    display: block;
    font-size: 12px;
    font-weight: 500;
    margin-top: 4px;
    opacity: 0.9;
}

.about-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.about-content > p {
    margin-bottom: 16px;
    color: var(--gray-600);
    font-size: 15px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(140, 182, 60, 0.1);
    color: var(--accent-dark);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.about-feature h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.about-feature p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.5;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
    border-color: transparent;
}

.service-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.service-card:hover .service-card-image img {
    transform: scale(1.08);
}

.service-card-icon {
    position: absolute;
    bottom: -25px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 4px 15px rgba(27, 127, 142, 0.3);
    z-index: 2;
    transition: var(--transition);
}

.service-card:hover .service-card-icon {
    background: var(--gradient-accent);
    transform: rotate(-5deg) scale(1.05);
    box-shadow: 0 4px 15px rgba(140, 182, 60, 0.3);
}

.service-card-body {
    padding: 36px 28px 28px;
}

.service-card-body h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
}

.service-tagline {
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.service-list {
    max-height: 150px;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-list.expanded {
    max-height: 600px;
}

.service-list li {
    position: relative;
    padding: 7px 0 7px 24px;
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.5;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
}

.service-expand-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 8px 0;
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
}

.service-expand-btn:hover {
    color: var(--accent);
}

.service-expand-btn i {
    transition: var(--transition);
    font-size: 12px;
}

.service-expand-btn.active i {
    transform: rotate(180deg);
}

.service-expand-btn.active span {
    display: none;
}

.service-expand-btn.active::before {
    content: 'Show Less';
}

/* ── Why Choose Us ── */
.why-us {
    background: var(--gray-50);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.why-us-card {
    text-align: center;
    padding: 40px 28px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.why-us-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition);
}

.why-us-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

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

.why-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: rgba(140, 182, 60, 0.1);
    color: var(--accent-dark);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    transition: var(--transition);
}

.why-us-card:hover .why-icon {
    background: var(--gradient-accent);
    color: var(--white);
    transform: scale(1.05) rotate(-3deg);
}

.why-us-card h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.why-us-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ── Contact ── */
.contact {
    background: var(--white);
}

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

.contact-info-card {
    background: linear-gradient(135deg, #0E1F24, #1B7F8E);
    color: var(--white);
    padding: 48px;
    border-radius: var(--radius-xl);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.contact-info-card::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 250px;
    height: 250px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.contact-info-card::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 150px;
    height: 150px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.contact-info-card h3 {
    font-size: 28px;
    color: var(--white);
    margin-bottom: 16px;
}

.contact-info-card > p {
    font-size: 15px;
    opacity: 0.85;
    margin-bottom: 36px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: relative;
    z-index: 1;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.contact-detail h4 {
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-detail p {
    font-size: 14px;
    opacity: 0.85;
}

.contact-detail a {
    color: var(--white);
    opacity: 0.85;
}

.contact-detail a:hover {
    opacity: 1;
    text-decoration: underline;
}

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 36px;
    position: relative;
    z-index: 1;
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.12);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
}

/* ── Contact Form ── */
.contact-form-wrapper {
    background: var(--white);
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-100);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.required {
    color: var(--accent);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--gray-800);
    background: var(--gray-50);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px var(--primary-50);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #EF4444;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-error {
    font-size: 12px;
    color: #EF4444;
    margin-top: 6px;
    display: block;
    min-height: 18px;
}

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

.form-status {
    margin-top: 16px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    display: none;
}

.form-status.success {
    display: block;
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.form-status.error {
    display: block;
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

/* ── CTA Section ── */
.cta-section {
    background: var(--gradient-dark);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: rgba(140, 182, 60, 0.08);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(28px, 3vw, 40px);
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 36px;
    max-width: 500px;
    margin-inline: auto;
}

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

/* ── Footer ── */
.footer {
    background: var(--gray-900);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-about p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-socials {
    display: flex;
    gap: 10px;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}

.footer-socials a:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 24px;
    position: relative;
}

.footer-links a,
.footer-services a {
    display: block;
    padding: 6px 0;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--accent-light);
    padding-left: 6px;
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    margin-bottom: 14px;
}

.footer-contact i {
    color: var(--accent-light);
    margin-top: 3px;
    min-width: 16px;
}

.footer-contact a {
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding: 28px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

/* ── Back to Top ── */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(27, 127, 142, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* ── WhatsApp Float ── */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
}

/* ── Scroll Animations ── */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate].animated {
    opacity: 1;
    transform: translate(0);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        gap: 40px;
    }
}

@media (max-width: 900px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 4px;
        box-shadow: var(--shadow-2xl);
        transition: var(--transition-slow);
        z-index: 999;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu .nav-link {
        color: var(--gray-700);
        font-size: 16px;
        padding: 14px 20px;
        border-radius: var(--radius-md);
    }
    
    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active {
        background: var(--primary-50);
        color: var(--primary);
    }
    
    .nav-cta {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image img {
        height: 350px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .stat-divider {
        display: none;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 70px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .hero-content {
        padding-top: 100px;
        padding-bottom: 60px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        padding: 20px 24px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .contact-info-card {
        padding: 32px;
    }
    
    .contact-form-wrapper {
        padding: 28px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-desc {
        font-size: 16px;
    }
    
    .whatsapp-float {
        width: 52px;
        height: 52px;
        font-size: 26px;
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top {
        bottom: 85px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

/* ── Mobile Menu Overlay ── */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

/* ── Selection ── */
::selection {
    background: var(--primary);
    color: var(--white);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}