/* ===== CSS RESET & VARIABLES ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Solar Energy Colors */
    --primary: #F59E0B;
    --primary-dark: #D97706;
    --primary-light: #FCD34D;
    --accent: #F97316;
    --accent-dark: #EA580C;

    /* Neutrals */
    --dark: #1F2937;
    --dark-light: #374151;
    --gray-700: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --white: #FFFFFF;

    /* Functional */
    --success: #10B981;
    --whatsapp: #25D366;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
    --gradient-dark: linear-gradient(135deg, #1F2937 0%, #374151 100%);
    --gradient-hero: linear-gradient(135deg, rgba(31, 41, 55, 0.92) 0%, rgba(31, 41, 55, 0.75) 50%, rgba(245, 158, 11, 0.15) 100%);
    --gradient-cta: linear-gradient(135deg, #1F2937 0%, #374151 50%, #1F2937 100%);

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(245, 158, 11, 0.3);

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

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

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

body {
    font-family: var(--font);
    color: var(--dark);
    line-height: 1.7;
    background: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-family: var(--font);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.45);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

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

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

.btn-whatsapp:hover {
    background: #20BD5A;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

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

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.85);
    /* Darker Slate */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    color: var(--white);
    font-weight: 300;
    letter-spacing: -0.02em;
}

.logo strong {
    font-weight: 700;
}

.logo-icon {
    font-size: 1.6rem;
    color: var(--primary);
    animation: sunSpin 10s linear infinite;
}

@keyframes sunSpin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

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

.nav-links a {
    color: rgba(255, 255, 255, 0.75);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--white);
}

.nav-links a.active {
    color: var(--primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.nav-cta {
    background: var(--gradient-primary) !important;
    color: var(--white) !important;
    padding: 12px 24px !important;
    border-radius: 12px !important;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
    margin-left: 10px;
    font-weight: 700 !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 28px;
    height: 2.5px;
    background: var(--white);
    border-radius: 4px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.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;
    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 140px 24px 100px;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    padding: 8px 18px;
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 600px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle strong {
    color: var(--primary-light);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 48px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

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

.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    font-weight: 500;
}

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

.hero-scroll a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.4rem;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== BENEFITS BAR ===== */
.benefits-bar {
    background: var(--gradient-dark);
    padding: 48px 0;
    position: relative;
}

.benefits-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--white);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: rgba(245, 158, 11, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.benefit-item strong {
    font-size: 0.95rem;
    display: block;
    margin-bottom: 2px;
}

.benefit-item p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.4;
}

/* ===== SECTIONS ===== */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    background: rgba(245, 158, 11, 0.1);
    color: var(--primary-dark);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-header p {
    color: var(--gray-500);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto;
}

/* ===== ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

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

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

.about-image-badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.badge-number {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.9;
    display: block;
    margin-top: 4px;
}

.about-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark);
}

.about-content>p {
    color: var(--gray-500);
    margin-bottom: 32px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius-md);
    background: var(--gray-100);
    transition: var(--transition);
}

.about-feature:hover {
    background: rgba(245, 158, 11, 0.08);
    transform: translateX(4px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
    font-size: 1rem;
}

.about-feature strong {
    font-size: 0.95rem;
    display: block;
    margin-bottom: 2px;
}

.about-feature p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ===== SERVICES SECTION ===== */
.services {
    background: var(--gray-100);
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.service-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(245, 158, 11, 0.2);
}

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

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: rgba(245, 158, 11, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 1.5rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    color: var(--white);
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.service-card>p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--gray-700);
}

.service-features i {
    color: var(--success);
    font-size: 0.75rem;
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 80px;
}

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.project-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

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

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 16px;
    left: 16px;
}

.project-category {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.project-info {
    padding: 24px;
}

.project-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--dark);
}

.project-info>p {
    color: var(--gray-500);
    font-size: 0.88rem;
    margin-bottom: 14px;
}

.project-meta {
    display: flex;
    gap: 20px;
    color: var(--gray-400);
    font-size: 0.82rem;
}

.project-meta i {
    color: var(--primary);
    margin-right: 4px;
}

/* ===== TESTIMONIALS ===== */
.testimonials-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 36px;
    color: var(--dark);
}

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

.testimonial-card {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    transition: var(--transition);
}

.testimonial-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.testimonial-stars {
    display: flex;
    gap: 3px;
    color: var(--primary);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.testimonial-card>p {
    color: var(--gray-700);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 0.85rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gray-400);
}

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

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

.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-group label i {
    color: var(--primary);
    font-size: 0.8rem;
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.9rem;
    color: var(--dark);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

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

.contact-form .btn {
    grid-column: 1 / -1;
    margin-top: 8px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(245, 158, 11, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.whatsapp-card .contact-card-icon {
    background: rgba(37, 211, 102, 0.1);
    color: var(--whatsapp);
}

.contact-card strong {
    font-size: 0.9rem;
    display: block;
    margin-bottom: 2px;
}

.contact-card a {
    color: var(--primary-dark);
    font-weight: 500;
    font-size: 0.88rem;
}

.whatsapp-card a {
    color: var(--whatsapp);
}

.contact-card p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.5;
}

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

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

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.08);
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(249, 115, 22, 0.06);
}

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

.cta-content h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto 32px;
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    margin-top: 16px;
    font-size: 0.88rem;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-2px);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.88rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    margin-bottom: 12px;
}

.footer-contact i {
    color: var(--primary);
    font-size: 0.85rem;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--whatsapp);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
    transition: var(--transition);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.55);
}

@keyframes whatsappPulse {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
    }

    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.65);
    }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 96px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--dark);
    color: var(--white);
    border: none;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 40px;
        gap: 20px;
        transition: all 0.5s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        width: auto;
        font-size: 1.5rem;
        padding: 10px 30px;
        text-align: center;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.4s ease;
    }

    .nav-links.active a {
        opacity: 1;
        transform: translateY(0);
    }

    /* Stagger links animation */
    .nav-links.active a:nth-child(1) {
        transition-delay: 0.1s;
    }

    .nav-links.active a:nth-child(2) {
        transition-delay: 0.2s;
    }

    .nav-links.active a:nth-child(3) {
        transition-delay: 0.3s;
    }

    .nav-links.active a:nth-child(4) {
        transition-delay: 0.4s;
    }

    .nav-links.active a:nth-child(5) {
        transition-delay: 0.5s;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 20px;
        width: 240px;
        font-size: 1.2rem !important;
        padding: 16px 32px !important;
    }

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

    .hero-stats {
        gap: 28px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .benefits-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

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

    .about-image img {
        height: 300px;
    }

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

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

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

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

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

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

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

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

    .stat-item {
        display: flex;
        align-items: baseline;
        gap: 8px;
    }

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

    .section-header h2 {
        font-size: 1.6rem;
    }

    .contact-form-wrapper {
        padding: 24px;
    }
}