/* =====================================================
   INTERIA - Interior Design Landing Page
   Professional CSS with Animations
   ===================================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #f5c518;
    --color-primary-dark: #d4a817;
    --color-dark: #1a1a1a;
    --color-darker: #0d0d0d;
    --color-gray: #2d2d2d;
    --color-gray-light: #4a4a4a;
    --color-white: #ffffff;
    --color-text: #b8b8b8;
    --color-text-light: #999999;
    
    /* Fonts */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px 0;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    max-width: 100vw;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-dark);
    overflow-x: hidden;
    max-width: 100vw;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
.section-title {
    font-family: var(--font-secondary);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 16px;
    color: var(--color-text);
    margin-bottom: 30px;
}

.text-white { color: var(--color-white); }
.text-yellow { color: var(--color-primary); }
.text-center { text-align: center; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    outline: none;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(245, 197, 24, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

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

.btn-block {
    width: 100%;
    text-align: center;
}

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

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

.loader {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--color-gray);
    border-top-color: var(--color-primary);
    animation: spin 1s linear infinite;
}

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

/* =====================================================
   HEADER
   ===================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100vw;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition-medium);
    overflow: hidden;
}

.header.scrolled {
    background-color: rgba(13, 13, 13, 0.95);
    padding: 15px 0;
    backdrop-filter: blur(10px);
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    font-size: 18px;
}

.logo-text {
    font-family: var(--font-secondary);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
}

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

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-white);
    position: relative;
    padding: 5px 0;
}

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

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

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

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
    gap: 25px;
}

.header-email,
.header-phone {
    font-size: 13px;
    color: var(--color-text);
}

.header-email:hover,
.header-phone:hover {
    color: var(--color-primary);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.bar {
    width: 30px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 3px;
    transition: var(--transition-fast);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* =====================================================
   HERO SECTION - FULL SCREEN BACKGROUND
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background-color: var(--color-darker);
}

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

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.6) 0%,
        rgba(10, 10, 10, 0.4) 50%,
        rgba(10, 10, 10, 0.7) 100%
    );
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    text-align: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-text {
    text-align: center;
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: 72px;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: 10px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-tagline {
    font-family: var(--font-secondary);
    font-size: 36px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 25px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-subtitle .subtitle-small {
    font-size: 16px;
}

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

.btn-whatsapp {
    background-color: #25D366;
    color: var(--color-white);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 35px;
    font-size: 16px;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp i {
    font-size: 20px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator i {
    font-size: 24px;
    color: var(--color-primary);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Social Sidebar */
.social-sidebar {
    position: absolute;
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 10;
}

.social-link {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-gray-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    font-size: 14px;
    transition: var(--transition-fast);
}

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

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about {
    padding: var(--section-padding);
    background-color: var(--color-white);
}

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

/* Gallery Grid */
.about-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 150px);
    gap: 15px;
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.gallery-item-1 { grid-area: 1 / 1 / 2 / 2; }
.gallery-item-2 { grid-area: 2 / 1 / 4 / 2; }
.gallery-item-main { 
    grid-area: 1 / 2 / 3 / 3;
    position: relative;
}

.founder-info {
    position: absolute;
    bottom: 20px;
    right: -40px;
    background-color: var(--color-dark);
    padding: 15px 25px;
    color: var(--color-white);
}

.founder-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 3px;
}

.founder-info p {
    font-size: 12px;
    color: var(--color-primary);
}

.gallery-item-3 { grid-area: 3 / 2 / 4 / 3; }
.gallery-item-4 { grid-area: 1 / 3 / 2 / 4; }
.gallery-item-5 { grid-area: 2 / 3 / 4 / 4; }

/* About Content */
.about-content .section-title {
    color: var(--color-dark);
}

.about-content .section-subtitle {
    color: var(--color-gray-light);
}

/* Features List */
.features-list {
    margin: 40px 0;
}

.feature-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 15px;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.feature-item:hover {
    background-color: rgba(245, 197, 24, 0.05);
}

.feature-icon {
    position: relative;
    width: 60px;
    height: 60px;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 24px;
    flex-shrink: 0;
}

.feature-number {
    position: absolute;
    top: -10px;
    left: -10px;
    background-color: var(--color-white);
    font-size: 10px;
    font-weight: 700;
    color: var(--color-dark);
    padding: 2px 6px;
}

.feature-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 14px;
    color: var(--color-gray-light);
}

/* =====================================================
   BUDGET SECTION
   ===================================================== */
.budget-section {
    padding: var(--section-padding);
    background-color: var(--color-gray);
}

.budget-header {
    text-align: center;
    margin-bottom: 50px;
}

/* Budget Slider */
.budget-slider-wrapper {
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;
}

.budget-slider {
    margin-bottom: 30px;
}

.budget-slider input[type="range"] {
    width: 100%;
    height: 4px;
    background: var(--color-gray-light);
    border-radius: 4px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.budget-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

.budget-slider input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.budget-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    font-size: 14px;
    color: var(--color-text);
}

.budget-display {
    display: inline-block;
    padding: 15px 50px;
    background-color: var(--color-dark);
    border-radius: 10px;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-white);
}

/* Budget Gallery */
.budget-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.budget-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.4s ease;
}

.budget-item:hover {
    transform: translateY(-10px);
}

.budget-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

/* Budget Factors */
.budget-factors {
    text-align: center;
}

.budget-factors h4 {
    font-size: 18px;
    color: var(--color-white);
    margin-bottom: 20px;
}

.factors-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.factors-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text);
}

.factors-list li i {
    color: var(--color-primary);
}

/* =====================================================
   PORTFOLIO SECTION
   ===================================================== */
.portfolio-section {
    padding: var(--section-padding);
    background-color: var(--color-white);
}

.portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 50px;
}

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

.portfolio-subtitle {
    max-width: 400px;
    color: var(--color-gray-light);
    font-size: 15px;
}

/* Portfolio Slider */
.portfolio-slider {
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
}

.portfolio-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
}

.portfolio-item {
    min-width: calc(33.333% - 20px);
    flex-shrink: 0;
}

.portfolio-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

.portfolio-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: transform 0.5s ease;
}

/* Desktop: fixed height */
@media (min-width: 769px) {
    .portfolio-image img {
        height: 285px;
        object-fit: cover;
    }
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

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

.portfolio-link {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    font-size: 18px;
    transform: scale(0);
    transition: var(--transition-fast);
}

.portfolio-item:hover .portfolio-link {
    transform: scale(1);
}

.portfolio-info h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 5px;
}

.portfolio-info p {
    font-size: 14px;
    color: var(--color-gray-light);
}

/* Portfolio Controls */
.portfolio-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
}

.portfolio-btn {
    width: 50px;
    height: 50px;
    background-color: var(--color-dark);
    border: none;
    border-radius: 8px;
    color: var(--color-white);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.portfolio-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-dark);
}

/* =====================================================
   SERVICES SECTION
   ===================================================== */
.services-section {
    padding: var(--section-padding);
    background-color: #f8f8f8;
}

.services-section .section-title {
    color: var(--color-dark);
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background-color: rgba(245, 197, 24, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--color-primary);
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    background-color: var(--color-primary);
    color: var(--color-dark);
}

.service-card h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 15px;
}

.service-card p {
    font-size: 14px;
    color: var(--color-gray-light);
}

/* =====================================================
   TESTIMONIALS SECTION
   ===================================================== */
.testimonials-section {
    padding: var(--section-padding);
    background-color: var(--color-dark);
}

.testimonials-section .section-title {
    margin-bottom: 60px;
}

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

.testimonial-card {
    background-color: var(--color-gray);
    padding: 40px 30px;
    border-radius: 10px;
    position: relative;
}

.testimonial-quote {
    font-size: 40px;
    color: var(--color-primary);
    margin-bottom: 20px;
    opacity: 0.5;
}

.testimonial-text {
    font-size: 16px;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 25px;
    line-height: 1.8;
}

.testimonial-author h5 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 5px;
}

.testimonial-author span {
    font-size: 13px;
    color: var(--color-primary);
}

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

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

.contact-info .section-title {
    color: var(--color-dark);
}

.contact-info .section-subtitle {
    color: var(--color-gray-light);
}

.contact-details {
    margin: 40px 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    font-size: 18px;
}

.contact-item p {
    font-size: 15px;
    color: var(--color-dark);
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background-color: var(--color-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 16px;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--color-primary);
    color: var(--color-dark);
    transform: translateY(-5px);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-dark);
    padding: 50px;
    border-radius: 15px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background-color: var(--color-gray);
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 14px;
    transition: var(--transition-fast);
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: none;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    padding: 80px 0 30px;
    background-color: var(--color-darker);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-about p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 25px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: var(--color-text);
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--color-text);
}

.footer-contact i {
    color: var(--color-primary);
    margin-top: 4px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-gray);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--color-text);
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    font-size: 18px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-fast);
    z-index: 99;
}

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

.scroll-top:hover {
    background-color: var(--color-primary-dark);
}

/* Form Divider */
.form-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-gray-light);
}

.form-divider span {
    padding: 0 15px;
    color: var(--color-text);
    font-size: 14px;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 98;
    transition: var(--transition-fast);
    animation: pulse-whatsapp 2s infinite;
}

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

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-10px);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background-color: var(--color-dark);
    color: white;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 4px solid transparent;
    border-left-color: var(--color-dark);
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide In from Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide In from Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Float Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Pulse Animation */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(245, 197, 24, 0.4);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(245, 197, 24, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(245, 197, 24, 0);
    }
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

/* Tablet - 1024px */
@media (max-width: 1024px) {
    .section-title {
        font-size: 36px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .nav-menu {
        gap: 25px;
    }
    
    .header-right {
        gap: 15px;
    }
    
    .header-email,
    .header-phone {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-slider {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Tablet - 768px */
@media (max-width: 768px) {
    /* Header */
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--color-darker);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: var(--transition-medium);
        z-index: 1000;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: 20px;
    }
    
    .header-right .btn {
        display: none;
    }
    
    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        max-width: 100%;
        padding: 0 20px;
    }
    
    .hero-subtitle .subtitle-small {
        font-size: 12px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .scroll-indicator {
        bottom: 20px;
    }
    
    .social-sidebar {
        display: none;
    }
    
    /* WhatsApp Float */
    .whatsapp-float {
        bottom: 90px;
        right: 20px;
        width: 55px;
        height: 55px;
        font-size: 24px;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
    
    /* About */
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about-gallery {
        grid-template-rows: repeat(3, 120px);
    }
    
    .founder-info {
        right: 10px;
    }
    
    /* Budget */
    .budget-gallery {
        grid-template-columns: 1fr;
    }
    
    .factors-list {
        flex-direction: column;
        gap: 15px;
    }
    
    /* Portfolio (tablet) */
    .portfolio-header {
        flex-direction: column;
        gap: 20px;
    }
    
    .portfolio-slider {
        overflow: hidden;
        width: 100%;
    }
    
    .portfolio-track {
        display: flex;
        gap: 20px;
        transition: transform 0.5s ease;
    }
    
    .portfolio-item {
        min-width: calc(50% - 10px);
        flex-shrink: 0;
    }
    
    .portfolio-image {
        border-radius: 10px;
        overflow: hidden;
        margin-bottom: 15px;
    }
    
    .portfolio-image img {
        width: 100%;
        height: 190px;
        object-fit: cover;
        display: block;
    }
    
    .portfolio-info {
        display: block;
        padding-bottom: 10px;
    }
    
    .portfolio-info h4 {
        font-size: 18px;
        margin-bottom: 5px;
    }
    
    .portfolio-info p {
        font-size: 13px;
    }
    
    .portfolio-controls {
        display: flex;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Testimonials */
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .contact-form-wrapper {
        padding: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
}

/* Mobile - 576px */
@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .hero-subtitle .subtitle-small {
        font-size: 11px;
    }

    .btn-whatsapp {
        padding: 14px 25px;
        font-size: 14px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 13px;
    }
    
    .about-gallery {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, 100px);
    }
    
    .gallery-item-1 { grid-area: 1 / 1 / 2 / 2; }
    .gallery-item-2 { grid-area: 1 / 2 / 2 / 3; }
    .gallery-item-main { grid-area: 2 / 1 / 4 / 3; }
    .gallery-item-3 { grid-area: 4 / 1 / 5 / 2; }
    .gallery-item-4 { grid-area: 4 / 2 / 5 / 3; }
    .gallery-item-5 { display: none; }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .portfolio-slider {
        overflow: hidden;
        width: 100%;
    }
    
    .portfolio-track {
        display: flex;
        gap: 0;
        transition: transform 0.5s ease;
    }
    
    .portfolio-item {
        min-width: 100%;
        flex-shrink: 0;
        padding: 0 15px;
        box-sizing: border-box;
    }
    
    .portfolio-image {
        border-radius: 8px;
        overflow: hidden;
        margin-bottom: 12px;
    }
    
    .portfolio-image img {
        width: 100%;
        height: 210px;
        object-fit: cover;
        display: block;
    }
    
    .portfolio-info {
        display: block;
        padding-bottom: 10px;
    }
    
    .portfolio-info h4 {
        font-size: 16px;
        margin-bottom: 5px;
    }
    
    .portfolio-info p {
        font-size: 12px;
    }
    
    .portfolio-controls {
        display: flex;
        margin-top: 20px;
    }
    
    .budget-display {
        font-size: 24px;
        padding: 12px 30px;
    }
    
    .contact-form-wrapper {
        padding: 25px 20px;
    }
}

/* Mobile Menu Overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 999;
}

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

/* Nav Phones in Mobile Menu */
.nav-phones {
    display: none;
}

@media (max-width: 768px) {
    .nav-phones {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
        margin-top: 30px;
        padding-top: 30px;
        border-top: 1px solid var(--color-gray);
    }
    
    .nav-phone {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--color-primary);
        font-size: 16px;
        font-weight: 500;
        transition: var(--transition-fast);
    }
    
    .nav-phone:hover {
        color: var(--color-white);
    }
    
    .nav-phone i {
        font-size: 14px;
    }
}

/* Prevent body scroll when menu is open */
body.menu-open {
    overflow: hidden;
}

/* =====================================================
   LIGHTBOX / IMAGE ZOOM MODAL
   ===================================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    cursor: pointer;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-content img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: -60px;
    right: 0;
    width: 45px;
    height: 45px;
    background-color: var(--color-primary);
    border: none;
    border-radius: 50%;
    color: var(--color-dark);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close:hover {
    background-color: var(--color-white);
    transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev {
    left: -80px;
}

.lightbox-next {
    right: -80px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-dark);
}

.lightbox-caption {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--color-white);
}

.lightbox-caption h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
}

.lightbox-caption p {
    font-size: 14px;
    color: var(--color-text);
}

/* Lightbox Thumbnails */
.lightbox-thumbnails {
    position: absolute;
    bottom: -130px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 90%;
}

.lightbox-thumb {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.6;
    transition: var(--transition-fast);
}

.lightbox-thumb:hover {
    opacity: 0.9;
}

.lightbox-thumb.active {
    border-color: var(--color-primary);
    opacity: 1;
}

.lightbox-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Lightbox Counter */
.lightbox-counter {
    position: absolute;
    top: -50px;
    left: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* Portfolio Image Count Badge */
.portfolio-overlay .portfolio-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.portfolio-overlay .image-count {
    font-size: 12px;
    color: var(--color-white);
    background-color: var(--color-primary);
    padding: 2px 8px;
    border-radius: 10px;
    color: var(--color-dark);
    font-weight: 600;
}

/* Lightbox Responsive */
@media (max-width: 768px) {
    .lightbox-content {
        flex-direction: column;
        max-width: 95%;
        max-height: 95%;
    }
    
    .lightbox-content img {
        max-height: 45vh;
        max-width: 100%;
    }
    
    .lightbox-prev {
        left: 10px;
        top: 30%;
    }
    
    .lightbox-next {
        right: 10px;
        top: 30%;
    }
    
    .lightbox-close {
        position: fixed;
        top: 20px;
        right: 20px;
        z-index: 10000;
    }
    
    .lightbox-caption {
        position: relative;
        bottom: auto;
        margin-top: 15px;
        padding: 0 10px;
    }
    
    .lightbox-caption h4 {
        font-size: 18px;
    }
    
    .lightbox-caption p {
        font-size: 13px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    .lightbox-thumbnails {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        margin-top: 15px;
        gap: 8px;
        max-width: 100%;
        padding: 0 10px;
    }
    
    .lightbox-thumb {
        width: 50px;
        height: 50px;
    }
    
    .lightbox-counter {
        position: fixed;
        top: 20px;
        left: 20px;
        z-index: 10000;
    }
}