/* ==========================================================================
   ZEROVIN TECHNOLOGIES - MAIN STYLESHEET
   ========================================================================== */

/* --- CSS VARIABLES --- */
:root {
    /* Brand Colors (based on poster/logo instructions) */
    --deep-blue: #031435;
    --royal-blue: #0A3A9A;
    --bright-blue: #00B4D8;
    --cyan: #00F5FF;
    --black: #0A0A0A;
    --white: #FFFFFF;
    
    /* Backgrounds */
    --bg-light: #F4F8FB;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-dark: rgba(10, 58, 154, 0.05);
    
    /* Solid Colors (replaced gradients) */
    --primary-gradient: var(--royal-blue);
    --text-gradient: var(--bright-blue);
    --dark-gradient: var(--deep-blue);
    
    /* Typography */
    --font-main: 'Outfit', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing & Utilities */
    --container-padding: 0 5%;
    --section-padding: 100px 0;
    --border-radius: 12px;
    --border-radius-lg: 24px;
    --box-shadow: 0 10px 30px rgba(3, 20, 53, 0.08);
    --box-shadow-hover: 0 20px 40px rgba(10, 58, 154, 0.15);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- RESET & BASE STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-main);
    color: var(--black);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* --- UTILITY CLASSES --- */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section {
    padding: var(--section-padding);
    position: relative;
}

.bg-light {
    background-color: var(--bg-light);
}

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

.max-w-700 {
    max-width: 700px;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.w-100 { width: 100%; }
.w-90 { width: 90%; }
.w-80 { width: 80%; }
.w-60 { width: 60%; }

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

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.title-underline {
    height: 4px;
    width: 60px;
    background: var(--primary-gradient);
    border-radius: 2px;
    margin-bottom: 25px;
}

.title-underline.center {
    margin: 0 auto 25px auto;
}

.section-desc {
    font-family: var(--font-secondary);
    color: #555;
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: steelblue;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(70, 130, 180, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(70, 130, 180, 0.4);
    transform: translateY(-2px);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: steelblue;
    border: 2px solid steelblue;
}

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

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

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

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-img {
    height: 55px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--deep-blue);
}

.navbar.scrolled .logo-text {
    color: var(--deep-blue);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--black);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--bright-blue);
    transition: var(--transition);
}

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

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

/* Desktop Dropdown Styles */
.dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 250px;
    background: var(--white);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 20px;
    color: var(--black);
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--bg-light);
    color: var(--royal-blue);
    padding-left: 25px;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-toggle svg {
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle svg,
.mobile-dropdown.active .dropdown-toggle svg {
    transform: rotate(180deg);
}

/* Mobile Dropdown styles */
.mobile-dropdown {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.mobile-dropdown-menu {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 20px;
    width: 80%;
}

.mobile-dropdown-item {
    font-size: 1.1rem;
    color: var(--black);
    font-weight: 500;
    transition: var(--transition);
}

.mobile-dropdown-item:hover {
    color: var(--royal-blue);
}

.mobile-dropdown.active .mobile-dropdown-menu {
    display: flex;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--deep-blue);
    position: absolute;
    left: 0;
    transition: var(--transition);
}

.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 11px; }
.mobile-menu-btn span:nth-child(3) { top: 22px; }

.mobile-menu-btn.active span:nth-child(1) {
    top: 11px;
    transform: rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    top: 11px;
    transform: rotate(-45deg);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--white);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    padding: 80px 20px 40px;
    transform: translateX(100%);
    transition: transform 0.4s ease-in-out;
}

.mobile-menu-overlay.active {
    transform: translateX(0);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--deep-blue);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--bright-blue);
}

.mobile-cta {
    margin-top: 20px;
}

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
    background: #fafcff;
}

.hero-bg-glow {
    position: absolute;
    top: 20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.08) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(10, 58, 154, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(10, 58, 154, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: transparent;
    color: var(--royal-blue);
    border: 1px solid rgba(10, 58, 154, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 25px;
}

.hero-heading {
    font-size: 4.2rem;
    line-height: 1.1;
    margin-bottom: 25px;
    color: var(--deep-blue);
}

.hero-desc {
    font-size: 1.15rem;
    color: #555;
    margin-bottom: 40px;
    font-family: var(--font-secondary);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn-with-icon {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 10px 8px 24px;
}

.btn-icon-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--white);
    color: steelblue;
}

.btn-outline.btn-with-icon .btn-icon-circle {
    border: 1px solid rgba(70, 130, 180, 0.2);
    color: steelblue;
}

.btn-outline.btn-with-icon:hover .btn-icon-circle {
    background: var(--white);
    color: steelblue;
}

.scroll-indicator-left {
    display: flex;
    align-items: center;
}

.scroll-link {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--black);
    font-weight: 600;
    font-size: 0.95rem;
}

.scroll-icon-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--royal-blue);
    transition: var(--transition);
}

.scroll-link:hover .scroll-icon-circle {
    background: var(--royal-blue);
    color: var(--white);
    border-color: var(--royal-blue);
}

.scroll-text {
    font-family: var(--font-secondary);
}

.hero-visual {
    flex: 1.2;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-main-img {
    width: 100%;
    max-width: 750px;
    height: auto;
    object-fit: contain;
    animation: float 6s ease-in-out infinite;
    z-index: 2;
}

.floating-pill {
    position: absolute;
    background: #ffffff;
    border-radius: 50px;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: var(--deep-blue);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    z-index: 3;
    animation: float-pill 4s ease-in-out infinite;
    font-size: 1rem;
    letter-spacing: 0.5px;
    border: 1px solid rgba(0,0,0,0.03);
}

.pill-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.float-1 {
    top: 15%;
    left: 5%;
    animation-delay: 0s;
}

.float-2 {
    bottom: 25%;
    right: 0%;
    animation-delay: 1.5s;
}

.float-3 {
    top: 50%;
    left: -5%;
    animation-delay: 0.7s;
}

@keyframes float-pill {
    0% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0); }
}

/* --- ABOUT SECTION --- */
.about-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-visual {
    flex: 1;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    height: 500px;
    width: 100%;
}

.about-image-wrapper::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 80%;
    height: 80%;
    border: 4px solid var(--bright-blue);
    border-radius: var(--border-radius-lg);
    z-index: -1;
}

.about-content {
    flex: 1;
}

.about-text {
    font-family: var(--font-secondary);
    color: #444;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

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

.highlight-card {
    display: flex;
    flex-direction: column;
    padding: 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-left: 4px solid var(--royal-blue);
    transition: var(--transition);
}

.highlight-card:hover {
    transform: translateX(10px);
    box-shadow: var(--box-shadow);
    border-left-color: var(--bright-blue);
}

.highlight-card .card-icon {
    color: var(--royal-blue);
    margin-bottom: 10px;
    width: 32px;
    height: 32px;
}

.highlight-card h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.highlight-card p {
    font-size: 0.95rem;
    color: #666;
    font-family: var(--font-secondary);
}

/* --- SERVICES SECTION --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.03);
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--primary-gradient);
    z-index: -1;
    transition: height 0.4s ease;
}

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

.service-card:hover::before {
    height: 5px;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(70, 130, 180, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: steelblue;
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: steelblue;
    color: var(--white);
}

.service-icon svg {
    width: 30px;
    height: 30px;
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-desc {
    color: #666;
    font-family: var(--font-secondary);
    margin-bottom: 25px;
}

.service-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: steelblue;
    font-weight: 600;
    font-size: 0.95rem;
}

.service-card:hover .service-link {
    color: steelblue;
}

.service-link svg {
    transition: transform 0.3s;
}

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

/* --- WHY CHOOSE US SECTION --- */
.why-choose-us {
    background: var(--dark-gradient);
    color: var(--white);
}

.why-choose-us .section-title {
    color: var(--white);
}

.why-choose-us .section-desc {
    color: rgba(255, 255, 255, 0.75);
}

.wcu-header {
    margin-bottom: 60px;
}

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

.wcu-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 32px 28px;
    transition: var(--transition);
}

.wcu-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 180, 216, 0.35);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.wcu-card-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 180, 216, 0.15);
    border-radius: 14px;
    color: var(--bright-blue);
    margin-bottom: 22px;
}

.wcu-card-icon svg {
    width: 26px;
    height: 26px;
}

.wcu-card-title {
    font-size: 1.15rem;
    color: var(--white);
    margin-bottom: 12px;
}

.wcu-card-desc {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
}

/* Light theme variant (About Us page) */
.why-choose-us--light {
    background: var(--bg-light);
    color: var(--black);
}

.why-choose-us--light .section-title {
    color: var(--black);
}

.why-choose-us--light .section-desc {
    color: #555;
}

.why-choose-us--light .wcu-card {
    background: var(--white);
    border: 1px solid rgba(10, 58, 154, 0.08);
    box-shadow: var(--box-shadow);
}

.why-choose-us--light .wcu-card:hover {
    background: var(--white);
    border-color: rgba(0, 180, 216, 0.35);
    box-shadow: var(--box-shadow-hover);
}

.why-choose-us--light .wcu-card-icon {
    background: rgba(10, 58, 154, 0.08);
    color: var(--royal-blue);
}

.why-choose-us--light .wcu-card-title {
    color: var(--black);
}

.why-choose-us--light .wcu-card-desc {
    color: #666;
}

/* --- OUR PROCESS SECTION --- */
.process {
    background: var(--white);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    position: relative;
    padding-top: 20px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 44px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(to right, steelblue, rgba(70, 130, 180, 0.15));
    z-index: 0;
}

.process-item {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 12px;
}

.process-marker {
    display: flex;
    justify-content: center;
    margin-bottom: 28px;
}

.process-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: steelblue;
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(70, 130, 180, 0.3);
    transition: var(--transition);
}

.process-item:hover .process-number {
    background: #3a6f9a;
    transform: scale(1.08);
}

.process-content {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 24px 18px;
    border: 1px solid rgba(10, 58, 154, 0.08);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.process-item:hover .process-content {
    box-shadow: var(--box-shadow-hover);
    border-color: rgba(70, 130, 180, 0.25);
    transform: translateY(-4px);
}

.process-title {
    font-size: 1.1rem;
    color: var(--deep-blue);
    margin-bottom: 8px;
}

.process-desc {
    font-family: var(--font-secondary);
    font-size: 0.88rem;
    color: #666;
    line-height: 1.6;
}

/* --- PROJECTS SECTION --- */
.filter-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: transparent;
    border: 1px solid #ddd;
    padding: 8px 24px;
    border-radius: 50px;
    font-family: var(--font-main);
    font-weight: 600;
    color: #555;
    cursor: pointer;
    transition: var(--transition);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: block; /* For animation */
}

.project-card.hide {
    display: none;
}

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

.project-img-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: #eef2f6;
}

.project-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.project-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: steelblue;
    color: var(--white);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.project-content {
    padding: 25px;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.project-desc {
    color: #666;
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.project-link {
    color: var(--royal-blue);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.project-card:hover .project-link {
    color: var(--bright-blue);
}

/* --- CALL TO ACTION --- */
.cta {
    position: relative;
    padding: 120px 0;
    color: var(--white);
    background: var(--royal-blue); /* Fallback */
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    z-index: 0;
}

.cta-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 245, 255, 0.2) 0%, transparent 50%);
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta-heading {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.2rem;
    font-family: var(--font-secondary);
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--royal-blue);
}

.cta .btn-primary:hover {
    background: var(--deep-blue);
    color: var(--white);
}

/* --- CONTACT SECTION --- */
.contact-container {
    display: flex;
    gap: 60px;
    margin-top: 50px;
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: rgba(10, 58, 154, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--royal-blue);
}

.contact-icon svg {
    width: 28px;
    height: 28px;
}

.contact-card h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: #888;
}

.contact-card p,
.contact-card a {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--deep-blue);
}

.contact-card a:hover {
    color: var(--bright-blue);
}

.contact-form-container {
    flex: 1.5;
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--deep-blue);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition);
    background: #fafcff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--royal-blue);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(10, 58, 154, 0.1);
}

.error-message {
    color: #e74c3c;
    font-size: 0.85rem;
    display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #e74c3c;
}

.form-group.error .error-message {
    display: block;
}

.form-status {
    margin-top: 15px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-status.success {
    color: #27c93f;
    display: block;
}

.form-status.error {
    color: #e74c3c;
    display: block;
}

/* --- FOOTER --- */
.footer {
    background: var(--deep-blue);
    color: var(--white);
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

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

.footer-logo-img {
    height: 55px;
}

.footer-tagline {
    font-family: var(--font-secondary);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

/* --- FOOTER NEWSLETTER --- */
.footer-newsletter {
    margin-top: 25px;
}

.newsletter-title {
    margin-bottom: 25px;
}

.newsletter-input-group {
    display: flex;
    align-items: center;
    position: relative;
    max-width: 320px;
}

.newsletter-input-group input {
    width: 100%;
    padding: 12px 50px 12px 16px;
    background: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    color: #222222;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.newsletter-input-group input::placeholder {
    color: #777777;
}

.newsletter-input-group input:focus {
    border-color: var(--bright-blue);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.3);
}

.newsletter-btn {
    position: absolute;
    right: 4px;
    top: 4px;
    bottom: 4px;
    width: 38px;
    height: 38px;
    background: var(--bright-blue);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-btn:hover {
    background: var(--royal-blue);
    transform: scale(1.05);
}

.newsletter-status {
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 8px;
    display: none;
}

.newsletter-status.success {
    color: #27c93f;
    display: block;
}

.newsletter-status.error {
    color: #ff5f56;
    display: block;
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: var(--white);
    font-family: var(--font-secondary);
    font-size: 0.85rem;
}

.social-links a:hover {
    background: var(--bright-blue);
    transform: translateY(-3px);
}

.footer-heading {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--bright-blue);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-secondary);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--bright-blue);
    font-size: 1.1rem;
    line-height: 1;
}

.footer-contact-icon--phone {
    font-size: 0;
    background-color: rgba(255, 255, 255, 0.1);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300B4D8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 18px;
}

.footer-contact-item a {
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-secondary);
    line-height: 1.4;
}

.footer-contact-item a:hover {
    color: var(--bright-blue);
}

.footer-bottom {
    background: #020d24;
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* --- FLOATING ACTIONS --- */
.floating-actions {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 99;
}

.instagram-float {
    width: 50px;
    height: 50px;
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.instagram-float svg {
    width: 26px;
    height: 26px;
}

.instagram-float:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(225, 48, 108, 0.4);
}

.whatsapp-float {
    width: 50px;
    height: 50px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.whatsapp-float svg {
    width: 26px;
    height: 26px;
}

.whatsapp-float:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

/* --- BACK TO TOP --- */
.back-to-top {
    position: static;
    width: 44px;
    height: 44px;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    margin-top: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 180, 216, 0.4);
}

/* --- ANIMATIONS --- */
@keyframes float {
    0% { transform: translateY(0) rotateY(-10deg) rotateX(5deg); }
    50% { transform: translateY(-20px) rotateY(-5deg) rotateX(2deg); }
    100% { transform: translateY(0) rotateY(-10deg) rotateX(5deg); }
}

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

/* Scroll Reveal Classes */
.reveal-left, .reveal-right, .reveal-bottom {
    opacity: 0;
    transition: all 0.8s ease;
}

.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }
.reveal-bottom { transform: translateY(50px); }

.reveal-left.active, .reveal-right.active, .reveal-bottom.active {
    opacity: 1;
    transform: translate(0);
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 1200px) {
    .hero-heading { font-size: 3.5rem; }
    .wcu-grid { grid-template-columns: repeat(2, 1fr); }
    .process-timeline { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
    .process-timeline::before { display: none; }
    .footer-container { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; }
}

@media (max-width: 992px) {
    .nav-links, .nav-cta { display: none; }
    .mobile-menu-btn { display: block; }
    
    .hero-container { flex-direction: column; text-align: center; }
    .hero-content { margin-top: 30px; }
    .hero-buttons { justify-content: center; }
    
    .about-container { flex-direction: column; }
    .contact-container { flex-direction: column; }
    
    .hero-bg-glow { right: 50%; transform: translateX(50%); top: 10%; width: 80vw; height: 80vw; }
    .process-timeline { grid-template-columns: repeat(2, 1fr); }
    .footer-container { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .hero-heading { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    .wcu-grid { grid-template-columns: 1fr; }
    .process-timeline { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; gap: 35px; }
    .footer-bottom-inner { flex-direction: column; gap: 15px; text-align: center; }
    .floating-tech-composition { transform: scale(0.8); }
    
    .floating-actions { right: 18px; bottom: 20px; gap: 10px; }
    .instagram-float, .whatsapp-float { width: 44px; height: 44px; }
    .instagram-float svg, .whatsapp-float svg { width: 22px; height: 22px; }
    .back-to-top { width: 40px; height: 40px; margin-top: 10px; }
    
    .newsletter-input-group { max-width: 100%; }
}

@media (max-width: 480px) {
    .hero-heading { font-size: 2rem; }
    .hero-buttons { flex-direction: column; width: 100%; gap: 12px; }
    .btn { width: 100%; justify-content: center; }
    .section { padding: 50px 0; }
    .contact-card { flex-direction: column; text-align: center; padding: 20px; }
    .contact-form-container { padding: 25px 18px; }
    .floating-actions { right: 14px; bottom: 16px; }
    .services-grid, .projects-grid { grid-template-columns: 1fr; }
}

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