/* ============================================
   HORMIGONES EXOTIC - Main Stylesheet
   ============================================ */

/* Fonts */
@font-face {
    font-family: 'SF Pro Display';
    src: url('../assets/fonts/SFPRODISPLAYREGULAR.OTF') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'SF Pro Display';
    src: url('../assets/fonts/SFPRODISPLAYMEDIUM.OTF') format('opentype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'DM Sans';
    src: url('../assets/fonts/DMSans-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'DM Sans';
    src: url('../assets/fonts/DMSans-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* CSS Variables */
:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-100: #f8f8f8;
    --color-gray-200: #e8e8e8;
    --color-gray-300: #d0d0d0;
    --color-gray-400: #a0a0a0;
    --color-gray-500: #707070;
    --color-gray-600: #505050;
    --color-gray-700: #303030;
    --color-gray-800: #1a1a1a;
    --color-gray-900: #0d0d0d;
    
    --color-accent: #2a2a2a;
    --color-whatsapp: #25d366;
    
    --font-heading: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.2);
    
    --container-max: 1400px;
    --container-padding: 24px;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-black);
}

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

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

ul {
    list-style: none;
}

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

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

/* ============================================
   PRELOADER
   ============================================ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.preloader-content {
    text-align: center;
}

.preloader-logo {
    width: 180px;
    margin-bottom: 30px;
    animation: pulse 1.5s ease-in-out infinite;
}

.preloader-bar {
    width: 200px;
    height: 3px;
    background: var(--color-gray-700);
    border-radius: 3px;
    overflow: hidden;
}

.preloader-progress {
    width: 0;
    height: 100%;
    background: var(--color-white);
    animation: loading 1.5s ease-in-out forwards;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes loading {
    0% { width: 0; }
    100% { width: 100%; }
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-normal);
    background: var(--color-black);
}

.navbar.scrolled {
    background: var(--color-black);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    position: relative;
    z-index: 1001;
}

.nav-logo img {
    height: 50px;
    width: auto;
    transition: var(--transition-normal);
}

.nav-logo-img {
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-white);
    position: relative;
    padding: 5px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--color-white);
    color: var(--color-black) !important;
    padding: 12px 28px !important;
    border-radius: 30px;
    font-weight: 500;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--color-gray-200);
    transform: translateY(-2px);
}

.navbar.scrolled .nav-cta {
    background: var(--color-white);
    color: var(--color-black) !important;
}

.navbar.scrolled .nav-cta:hover {
    background: var(--color-gray-200);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-normal);
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-white);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    padding: 16px 36px;
    border-radius: 50px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-black);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-gray-800);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-black);
    transform: translateY(-3px);
}

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

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-full {
    width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.5) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.7) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: 0 var(--container-padding);
}

.hero-badge {
    display: inline-block;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(30px);
}

.hero-badge span {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 28px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: -2px;
    color: var(--color-white);
}

.hero-title-line {
    display: block;
    overflow: hidden;
}

.hero-title-line span {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0.9;
    opacity: 0;
    transform: translateY(30px);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    opacity: 0;
    transform: translateY(30px);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 500;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   VIDEOS SECTION
   ============================================ */
.videos-section {
    padding: 80px 0;
    background: var(--color-black);
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.video-item {
    position: relative;
    aspect-ratio: 9/16;
    overflow: hidden;
    border-radius: 16px;
    background: var(--color-gray-900);
}

.video-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 1200px) {
    .videos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .video-item:nth-child(4),
    .video-item:nth-child(5) {
        display: none;
    }
}

@media (max-width: 768px) {
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .video-item:nth-child(3) {
        display: none;
    }
}

@media (max-width: 480px) {
    .videos-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-gray-500);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--color-gray-500);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.service-card.featured .service-image {
    height: 100%;
    min-height: 500px;
}

.service-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

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

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
}

.service-number {
    display: inline-block;
    background: var(--color-black);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
}

.service-content {
    padding: 35px;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-description {
    color: var(--color-gray-500);
    margin-bottom: 25px;
    line-height: 1.7;
}

.service-features {
    margin-bottom: 25px;
}

.service-features li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--color-black);
    border-radius: 50%;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-black);
    transition: var(--transition-normal);
}

.service-link:hover {
    gap: 15px;
}

.service-link svg {
    transition: var(--transition-normal);
}

.service-link:hover svg {
    transform: translateX(5px);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
    background: var(--color-white);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 12px 28px;
    border-radius: 30px;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    transition: var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-black);
    color: var(--color-white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.project-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 16px;
    cursor: pointer;
}

.project-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

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

.project-item:hover img {
    transform: scale(1.1);
}

.project-overlay {
    display: none;
}

.project-category {
    display: inline-block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    margin-bottom: 8px;
}

.project-overlay h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-white);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--color-gray-100);
}

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

.about-images {
    position: relative;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
}

.about-image.main {
    width: 85%;
}

.about-image.secondary {
    position: absolute;
    bottom: -40px;
    right: 0;
    width: 55%;
    border: 6px solid var(--color-gray-100);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-experience {
    position: absolute;
    top: 40px;
    right: 0;
    background: var(--color-black);
    color: var(--color-white);
    padding: 30px 40px;
    border-radius: 20px;
    text-align: center;
}

.experience-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 500;
    line-height: 1;
}

.experience-text {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

.about-content .section-tag,
.about-content .section-title {
    text-align: left;
}

.about-text {
    color: var(--color-gray-600);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    margin: 40px 0;
}

.about-feature {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--color-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.feature-icon svg {
    color: var(--color-black);
}

.feature-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.feature-text p {
    color: var(--color-gray-500);
    font-size: 0.95rem;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    background: var(--color-black);
    color: var(--color-white);
}

.testimonials .section-tag {
    color: var(--color-gray-400);
}

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

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--color-gray-800);
    padding: 40px;
    border-radius: 20px;
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    background: var(--color-gray-700);
    transform: translateY(-5px);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 1.2rem;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-gray-300);
    margin-bottom: 30px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--color-gray-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 500;
}

.author-info strong {
    display: block;
    color: var(--color-white);
}

.author-info span {
    font-size: 0.9rem;
    color: var(--color-gray-400);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    position: relative;
    padding: 150px 0;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
}

.cta-content h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--color-white);
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
}

.contact-info .section-tag,
.contact-info .section-title {
    text-align: left;
}

.contact-info > p {
    color: var(--color-gray-500);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--color-gray-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon.whatsapp {
    background: var(--color-whatsapp);
    color: var(--color-white);
}

.contact-item strong {
    display: block;
    margin-bottom: 5px;
}

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

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

.contact-item span {
    color: var(--color-gray-500);
}

.contact-form-wrapper {
    background: var(--color-gray-100);
    padding: 50px;
    border-radius: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 16px 20px;
    border: 2px solid var(--color-gray-200);
    border-radius: 12px;
    background: var(--color-white);
    transition: var(--transition-normal);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-black);
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: 80px 0 40px;
}

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

.footer-logo {
    height: 45px;
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--color-gray-400);
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: var(--color-gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--color-whatsapp);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: var(--color-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-gray-400);
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer-contact p {
    margin-bottom: 10px;
}

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

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-gray-500);
    font-size: 0.9rem;
}

/* ============================================
   WHATSAPP FLOAT BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

/* ============================================
   ANIMATIONS (GSAP Helpers)
   ============================================ */
.reveal-up {
    opacity: 0;
    transform: translateY(60px);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
}

/* ============================================
   SERVICE PAGES
   ============================================ */
.service-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.service-hero .hero-content {
    padding-top: 80px;
}

.service-detail {
    padding: 100px 0;
    background: var(--color-white);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 60px;
    align-items: start;
}

.service-detail-content .section-tag,
.service-detail-content .section-title {
    text-align: left;
}

.service-detail-content p {
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-detail-content h3 {
    font-size: 1.5rem;
    margin: 40px 0 25px;
}

.service-benefits {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.benefit-item {
    display: flex;
    gap: 20px;
}

.benefit-item .benefit-icon {
    width: 50px;
    height: 50px;
    background: var(--color-gray-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.benefit-item p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.service-applications {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.service-applications li {
    position: relative;
    padding-left: 24px;
    color: var(--color-gray-600);
}

.service-applications li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-black);
    border-radius: 50%;
}

.service-detail-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-card {
    background: var(--color-gray-100);
    padding: 35px;
    border-radius: 20px;
}

.sidebar-card.dark {
    background: var(--color-black);
    color: var(--color-white);
}

.sidebar-card h4 {
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.sidebar-card.dark h4 {
    color: var(--color-white);
}

.sidebar-card p {
    color: var(--color-gray-400);
    margin-bottom: 25px;
    line-height: 1.7;
}

.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-list li {
    position: relative;
    padding-left: 24px;
    color: var(--color-gray-600);
}

.sidebar-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-black);
    font-weight: 600;
}

.sidebar-card .btn {
    margin-bottom: 12px;
}

.sidebar-card .btn:last-child {
    margin-bottom: 0;
}

/* Service Gallery */
.service-gallery {
    padding: 100px 0;
    background: var(--color-gray-100);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Service Contact */
.service-contact {
    padding: 100px 0;
    background: var(--color-white);
}

.service-contact .contact-info .section-tag,
.service-contact .contact-info .section-title {
    text-align: left;
}

/* Other Services */
.other-services {
    padding: 100px 0;
    background: var(--color-gray-100);
}

.other-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.other-service-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4/3;
    display: block;
}

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

.other-service-card:hover img {
    transform: scale(1.1);
}

.other-service-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.other-service-content h4 {
    color: var(--color-white);
    font-size: 1.25rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-card.featured {
        grid-column: span 2;
        grid-template-columns: 1fr;
    }
    
    .service-card.featured .service-image {
        min-height: 350px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .testimonials-slider {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    section {
        padding: 80px 0;
    }
    
    .service-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail-sidebar {
        position: static;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .other-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-images {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-content .section-tag,
    .about-content .section-title,
    .contact-info .section-tag,
    .contact-info .section-title {
        text-align: center;
    }
    
    .contact-info > p {
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 20px;
    }
    
    .service-hero {
        min-height: 60vh;
        background-attachment: scroll;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .other-services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-applications {
        grid-template-columns: 1fr;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--color-black);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu .nav-link {
        font-size: 1.5rem;
        color: var(--color-white);
    }
    
    .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(7px, -6px);
    }
    
    .nav-toggle.active span {
        background: var(--color-white);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card.featured {
        grid-column: span 1;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-item.large {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 30px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-item.large {
        grid-column: span 1;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-image.secondary {
        position: relative;
        bottom: auto;
        right: auto;
        width: 100%;
        margin-top: 20px;
    }
    
    .about-experience {
        position: relative;
        top: auto;
        right: auto;
        margin-top: 20px;
    }
}