/* ========================================
   GWC Waterproofing - Main Stylesheet
   Mobile-First Responsive Design
   ======================================== */

/* CSS Custom Properties */
:root {
    --color-bg-dark: #0f172a;
    --color-bg-card: #1e293b;
    --color-bg-card-hover: #273548;
    --color-accent: #14b8a6;
    --color-accent-hover: #0d9488;
    --color-accent-light: rgba(20, 184, 166, 0.1);
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: #334155;
    --color-white: #ffffff;
    --color-overlay: rgba(15, 23, 42, 0.85);
    --color-overlay-light: rgba(15, 23, 42, 0.7);
    
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    --navbar-height: 70px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

address {
    font-style: normal;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: clamp(1.125rem, 2.5vw, 1.25rem); }

p {
    color: var(--color-text-secondary);
    font-size: clamp(1rem, 2vw, 1.125rem);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

/* Button Icons */
.btn-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    position: relative;
}

.phone-icon::before {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-radius: 2px 2px 2px 8px;
    transform: rotate(-45deg);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
}

.whatsapp-icon::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.whatsapp-icon::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 4px;
    border-bottom: 2px solid currentColor;
    border-right: 2px solid currentColor;
    top: 45%;
    left: 55%;
    transform: translate(-50%, -50%) rotate(45deg);
}

/* Section Styles */
.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header .section-description {
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background-color: var(--color-bg-dark);
    box-shadow: var(--shadow-lg);
}

.navbar.menu-open {
    background-color: var(--color-bg-dark);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -1px;
    transition: color var(--transition-fast);
}

.logo:hover {
    color: var(--color-text-primary);
}

.nav-menu {
    display: none;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

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

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

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

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 2001;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.nav-menu.active {
    display: block;
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg-dark);
    padding: 2rem var(--container-padding);
    z-index: 2000;
    animation: slideDown 0.3s ease;
}

.nav-menu.active .nav-list {
    flex-direction: column;
    gap: 0;
}

.nav-menu.active .nav-link {
    display: block;
    padding: 1rem 0;
    font-size: 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

/* Smooth slide */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

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

/* Fallback gradient if video doesn't load */
.hero-video-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1a365d 100%);
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-overlay);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: calc(var(--navbar-height) + 2rem) var(--container-padding) 2rem;
    max-width: 900px;
}

.hero-title {
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    display: block;
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-secondary);
    border-bottom: 2px solid var(--color-text-secondary);
    transform: rotate(45deg);
}

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

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    padding: 5rem 0;
    background-color: var(--color-bg-dark);
}

.about-grid {
    display: grid;
    gap: 3rem;
}

.about-image {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background-color: var(--color-bg-card);
}

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

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

.about-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(15, 23, 42, 0.9));
}

.experience-badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.875rem;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-text {
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin: 1rem 0;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.about-features li::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-card) 50%, var(--color-bg-dark) 100%);
}

.services-grid {
    display: grid;
    gap: 1.5rem;
}

.service-card {
    position: relative;
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: 0 0 30px rgba(20, 184, 166, 0.15);
}

.service-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(20, 184, 166, 0.05) 100%);
}

.service-badge {
    position: absolute;
    top: -12px;
    right: 1.5rem;
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    padding: 0.375rem 0.875rem;
    border-radius: var(--border-radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    background-color: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Service Icons using CSS */
.terrace-icon::before {
    content: '';
    width: 32px;
    height: 24px;
    border: 2px solid var(--color-accent);
    border-radius: 2px;
    position: absolute;
}

.terrace-icon::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--color-accent);
    position: absolute;
    top: 8px;
}

.wall-icon::before {
    content: '';
    width: 24px;
    height: 32px;
    border: 2px solid var(--color-accent);
    border-radius: 2px;
    position: absolute;
}

.wall-icon::after {
    content: '';
    width: 12px;
    height: 2px;
    background-color: var(--color-accent);
    position: absolute;
}

.building-icon::before {
    content: '';
    width: 28px;
    height: 32px;
    border: 2px solid var(--color-accent);
    border-radius: 2px 2px 0 0;
    position: absolute;
}

.building-icon::after {
    content: '';
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    position: absolute;
    box-shadow: 10px 0 0 var(--color-accent), 0 10px 0 var(--color-accent), 10px 10px 0 var(--color-accent);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.service-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    flex-grow: 1;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0;
}

.service-features li {
    background-color: var(--color-bg-dark);
    padding: 0.375rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-top: auto;
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: 0.75rem;
}

.service-link .arrow {
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(-45deg);
    transition: transform var(--transition-fast);
}

.service-link:hover .arrow {
    transform: rotate(-45deg) translateX(2px);
}

/* ========================================
   WHY CHOOSE US SECTION
   ======================================== */
.why-choose {
    padding: 5rem 0;
    background-color: var(--color-bg-dark);
}

.features-grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-box {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-box:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    background-color: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Feature Icons using CSS */
.quality-icon::before {
    content: '';
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-accent);
    border-radius: 50%;
    position: absolute;
}

.quality-icon::after {
    content: '';
    width: 12px;
    height: 6px;
    border-left: 3px solid var(--color-accent);
    border-bottom: 3px solid var(--color-accent);
    position: absolute;
    transform: rotate(-45deg) translate(2px, -2px);
}

.experience-icon::before {
    content: '';
    width: 28px;
    height: 28px;
    border: 3px solid var(--color-accent);
    border-radius: 50%;
    position: absolute;
}

.experience-icon::after {
    content: '';
    width: 3px;
    height: 10px;
    background-color: var(--color-accent);
    position: absolute;
    transform: translateX(-50%);
    left: 50%;
    top: calc(50% - 6px);
    box-shadow: 6px 3px 0 var(--color-accent);
}

.support-icon::before {
    content: '';
    width: 26px;
    height: 26px;
    border: 3px solid var(--color-accent);
    border-radius: 50%;
    position: absolute;
}

.support-icon::after {
    content: '';
    width: 12px;
    height: 12px;
    border: 3px solid var(--color-accent);
    border-radius: 50%;
    position: absolute;
    clip-path: polygon(50% 50%, 100% 50%, 100% 100%, 50% 100%);
    transform: rotate(45deg);
}

.feature-title {
    margin-bottom: 0.75rem;
}

.feature-description {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-md);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-accent) 0%, #0d9488 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    color: var(--color-bg-dark);
    margin-bottom: 1rem;
}

.cta-text {
    color: rgba(15, 23, 42, 0.8);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
}

.cta-section .btn-primary {
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
}

.cta-section .btn-primary:hover {
    background-color: var(--color-bg-card);
}

.cta-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: rgba(15, 23, 42, 0.7);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
    padding: 5rem 0;
    background-color: var(--color-bg-dark);
}

.contact-grid {
    display: grid;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.contact-item:hover {
    border-color: var(--color-accent);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-md);
    background-color: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

/* Contact Icons using CSS */
.phone-contact-icon::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-accent);
    border-radius: 2px 2px 2px 8px;
    transform: rotate(-45deg);
}

.email-icon::before {
    content: '';
    width: 18px;
    height: 12px;
    border: 2px solid var(--color-accent);
    border-radius: 2px;
    position: absolute;
}

.email-icon::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 9px solid transparent;
    border-right: 9px solid transparent;
    border-top: 6px solid var(--color-accent);
    position: absolute;
    top: calc(50% - 4px);
}

.location-icon::before {
    content: '';
    width: 12px;
    height: 12px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    position: absolute;
    top: calc(50% - 10px);
}

.location-icon::after {
    content: '';
    width: 4px;
    height: 8px;
    background-color: var(--color-accent);
    position: absolute;
    top: calc(50% + 2px);
    border-radius: 0 0 2px 2px;
}

.hours-icon::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    position: absolute;
}

.hours-icon::after {
    content: '';
    width: 2px;
    height: 6px;
    background-color: var(--color-accent);
    position: absolute;
    top: calc(50% - 4px);
    left: calc(50% - 1px);
    box-shadow: 4px 2px 0 var(--color-accent);
}

.contact-details h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.contact-details a,
.contact-details p,
.contact-details address {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.25rem;
    display: block;
}

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

.contact-map {
    height: 300px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-card);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    filter: grayscale(100%) invert(92%) contrast(83%);
    transition: filter var(--transition-normal);
}

.contact-map:hover iframe {
    filter: grayscale(50%) invert(92%) contrast(83%);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-bg-card);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
    display: inline-block;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--color-text-primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.footer-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.footer-links ul,
.footer-services ul {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a,
.footer-services a,
.footer-contact a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-contact p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

/* ========================================
   FLOATING WHATSAPP BUTTON
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon-large {
    width: 32px;
    height: 32px;
    position: relative;
}

.whatsapp-icon-large::before {
    content: '';
    position: absolute;
    width: 28px;
    height: 28px;
    border: 3px solid white;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.whatsapp-icon-large::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 7px;
    border-bottom: 3px solid white;
    border-right: 3px solid white;
    top: 45%;
    left: 55%;
    transform: translate(-50%, -50%) rotate(45deg);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   RESPONSIVE STYLES - TABLET
   ======================================== */
@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
    }
    
    .about-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-row {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   RESPONSIVE STYLES - DESKTOP
   ======================================== */
@media (min-width: 1024px) {
    :root {
        --container-padding: 2rem;
    }
    
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        display: block;
    }
    
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
    }
    
    .about-image {
        order: -1;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-map {
        height: auto;
        min-height: 400px;
    }
    
    .footer-content {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
}

/* ========================================
   RESPONSIVE STYLES - LARGE DESKTOP
   ======================================== */
@media (min-width: 1200px) {
    .about-grid {
        gap: 6rem;
    }
    
    .about-content {
        padding-right: 2rem;
    }
    
    .service-card {
        padding: 2.5rem;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus Styles */
a:focus,
button:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-md);
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 1rem;
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .navbar,
    .hero-video-container,
    .whatsapp-float,
    .hero-scroll-indicator {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .hero-overlay {
        background: var(--color-bg-dark);
    }
    
    body {
        background-color: white;
        color: black;
    }
}