/* ========================================
   ACURWEB Portfolio - Main Stylesheet
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    /* Colors */
    --primary-color: #00D4AA;
    --primary-dark: #00B894;
    --primary-light: #00F5C4;
    --secondary-color: #1E88E5;
    --secondary-dark: #1565C0;

    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;

    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;

    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);

    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #0a0a0f 100%);

    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-code: 'Fira Code', monospace;

    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(0, 212, 170, 0.3);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

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

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

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

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

ul, ol {
    list-style: none;
}

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

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

/* ========== Preloader ========== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-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 {
    text-align: center;
}

.loader .code-icon {
    font-size: 60px;
    color: var(--primary-color);
    margin-bottom: 20px;
    animation: pulse 1.5s infinite;
}

.loader-text {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.loader-progress {
    width: 0;
    height: 100%;
    background: var(--gradient-primary);
    animation: loading 2s ease-in-out forwards;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ========== Custom Cursor ========== */
.cursor,
.cursor-follower {
    display: none;
}

@media (hover: hover) and (pointer: fine) {
    .cursor {
        display: block;
        position: fixed;
        width: 10px;
        height: 10px;
        background: var(--primary-color);
        border-radius: 50%;
        pointer-events: none;
        z-index: 9998;
        transform: translate(-50%, -50%);
        transition: transform 0.1s, background 0.2s;
    }

    .cursor-follower {
        display: block;
        position: fixed;
        width: 40px;
        height: 40px;
        border: 2px solid var(--primary-color);
        border-radius: 50%;
        pointer-events: none;
        z-index: 9997;
        transform: translate(-50%, -50%);
        transition: transform 0.3s ease-out, border-color 0.2s;
        opacity: 0.5;
    }

    .cursor.active {
        transform: translate(-50%, -50%) scale(2);
        background: var(--secondary-color);
    }

    .cursor-follower.active {
        transform: translate(-50%, -50%) scale(1.5);
        border-color: var(--secondary-color);
    }
}

/* ========== Container ========== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    transform: translateY(-3px);
}

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

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-white {
    border: 2px solid white;
    color: white;
}

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

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

/* ========== Header / Navigation ========== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-normal);
}

#header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
}

.navbar {
    padding: 20px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--bg-dark);
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 1px;
}

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

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

.nav-list {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 5px 0;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    z-index: 1001;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ========== Section Styles ========== */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

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

/* ========== Hero Section ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

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

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.grid-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-color);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: -100px;
    left: -100px;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: #9b59b6;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-xl);
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.hero-badge i {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
}

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

.typewriter {
    position: relative;
}

.typewriter::after {
    content: '|';
    animation: blink 1s infinite;
    color: var(--primary-color);
}

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

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 35px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 30px;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* Code Window */
.hero-visual {
    display: flex;
    justify-content: center;
}

.code-window {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-slow);
}

.code-window:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

.window-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.window-dots {
    display: flex;
    gap: 8px;
}

.window-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.window-title {
    font-size: 13px;
    color: var(--text-muted);
    font-family: var(--font-code);
}

.window-content {
    padding: 25px;
    font-family: var(--font-code);
    font-size: 14px;
    line-height: 1.8;
}

.window-content code {
    display: block;
    white-space: pre-wrap;
}

.keyword { color: #c678dd; }
.variable { color: #e06c75; }
.property { color: #61afef; }
.string { color: #98c379; }
.function { color: #61afef; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    animation: fadeInUp 1s ease 1s backwards;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    position: relative;
}

.wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

.scroll-indicator .arrow {
    animation: arrowBounce 2s infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

/* ========== About Section ========== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin: 35px 0;
}

.feature-item {
    display: flex;
    gap: 15px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 20px;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

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

/* Tech Stack Visual */
.about-visual {
    position: relative;
}

.visual-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--primary-color);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.2;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    position: relative;
    z-index: 1;
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.tech-icon:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.tech-icon[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    padding: 5px 12px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
}

.tech-icon:hover[data-tooltip]::after {
    opacity: 1;
}

/* Floating Badges */
.floating-badges {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    animation: float 6s ease-in-out infinite;
}

.badge i {
    font-size: 14px;
}

.badge-1 {
    top: -20px;
    right: -20px;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 30%;
    left: -30px;
    animation-delay: 2s;
}

.badge-3 {
    bottom: -20px;
    right: 20%;
    animation-delay: 4s;
}

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

/* ========== Services Section ========== */
.services {
    background: var(--bg-darker);
}

.section-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.bg-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 2px 2px, rgba(0, 212, 170, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 35px 30px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.service-card .card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.service-card:hover .card-bg {
    opacity: 0.05;
}

.service-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(30, 136, 229, 0.1) 100%);
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 12px;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-xl);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.service-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.service-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.service-features {
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.service-features li i {
    color: var(--primary-color);
    font-size: 12px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
}

.service-link:hover {
    gap: 12px;
}

/* ========== Portfolio Section ========== */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 12px 25px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    border-color: transparent;
}

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

.portfolio-item {
    transition: var(--transition-normal);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-normal);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

/* Browser Mockup */
.mockup-container {
    width: 100%;
    height: 100%;
    padding: 20px;
    background: var(--bg-darker);
}

.browser-mockup {
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.browser-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
}

.browser-dots span:nth-child(1) { background: #ff5f56; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:nth-child(3) { background: #27c93f; }

.browser-url {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-code);
    background: rgba(0, 0, 0, 0.2);
    padding: 5px 15px;
    border-radius: 4px;
    flex: 1;
    text-align: center;
}

.browser-content {
    height: calc(100% - 40px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-placeholder {
    text-align: center;
    color: white;
}

.mockup-placeholder i {
    font-size: 40px;
    margin-bottom: 10px;
    opacity: 0.8;
}

.mockup-placeholder span {
    display: block;
    font-size: 14px;
    font-weight: 600;
    opacity: 0.9;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.overlay-btn {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--bg-dark);
    transform: scale(0);
    transition: var(--transition-normal);
}

.portfolio-card:hover .overlay-btn {
    transform: scale(1);
}

.overlay-btn:hover {
    transform: scale(1.1);
}

.card-content {
    padding: 25px;
}

.project-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.project-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.project-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.project-tech {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.project-tech span {
    padding: 5px 12px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-xl);
    font-size: 11px;
    color: var(--primary-color);
}

.portfolio-cta {
    text-align: center;
    margin-top: 60px;
}

.portfolio-cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ========== Testimonials Section ========== */
.testimonials {
    background: var(--bg-darker);
}

.bg-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 170, 0.05) 0%, transparent 50%);
}

.testimonials-slider {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonials-swiper {
    padding: 20px 0 60px;
}

.testimonial-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 40px;
    margin: 10px;
}

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

.testimonial-text {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-rating {
    display: flex;
    gap: 5px;
    margin-bottom: 25px;
}

.testimonial-rating i {
    color: #ffc107;
    font-size: 16px;
}

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

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--bg-dark);
}

.author-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.author-info p {
    font-size: 14px;
    color: var(--text-muted);
}

.swiper-pagination {
    bottom: 0 !important;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: var(--border-color);
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background: var(--primary-color);
}

.swiper-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.swiper-btn {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 18px;
    transition: var(--transition-normal);
}

.swiper-btn:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
}

/* ========== Stats Section ========== */
.stats {
    padding: 80px 0;
}

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

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.stat-card .stat-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
    margin: 0 auto 20px;
}

.stat-card .stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    margin-bottom: 10px;
}

.stat-card .stat-number::after {
    content: '+';
    color: var(--primary-color);
}

.stat-card .stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ========== CTA Section ========== */
.cta {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

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

.cta-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.9;
}

.cta-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 0, 0, 0.2) 0%, transparent 50%);
}

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

.cta-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    color: var(--bg-dark);
    margin-bottom: 20px;
}

.cta-description {
    font-size: 18px;
    color: rgba(0, 0, 0, 0.7);
    max-width: 600px;
    margin: 0 auto 35px;
}

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

/* ========== Footer ========== */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
}

.footer-top {
    padding: 80px 0 60px;
}

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

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

.brand-description {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 25px;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

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

.footer-links h4,
.footer-contact h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
}

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

.footer-links ul li a,
.footer-contact ul li a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition-normal);
}

.footer-links ul li a:hover,
.footer-contact ul li a:hover {
    color: var(--primary-color);
}

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

.footer-contact ul li i {
    color: var(--primary-color);
    width: 20px;
}

.footer-bottom {
    padding: 25px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

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

/* ========== WhatsApp Button ========== */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: white;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition-normal);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn .pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #25D366;
    animation: whatsappPulse 2s infinite;
}

@keyframes whatsappPulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* ========== Back to Top ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-primary);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

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

.back-to-top:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

/* ========== Animations ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========== Responsive Design ========== */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 0;
        margin-bottom: 40px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-description {
        max-width: 100%;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-visual {
        order: -1;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--bg-darker);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transform: translateX(-100%);
        transition: var(--transition-normal);
    }

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

    .nav-list {
        flex-direction: column;
        text-align: center;
    }

    .nav-link {
        font-size: 24px;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

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

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

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

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .brand-description {
        max-width: 100%;
    }

    .social-links {
        justify-content: center;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .tech-stack {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }

    .tech-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 50px;
        height: 1px;
    }

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

    .whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }

    .back-to-top {
        right: 85px;
        width: 45px;
        height: 45px;
    }

    .code-window {
        transform: none;
    }

    .code-window:hover {
        transform: none;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }

    .btn-lg {
        padding: 14px 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .hero-title {
        font-size: 32px;
    }

    .filter-btn {
        padding: 10px 18px;
        font-size: 13px;
    }

    .portfolio-filter {
        gap: 10px;
    }

    .stat-card .stat-number {
        font-size: 36px;
    }
}

/* ========== Dark Mode Support (already dark by default) ========== */
@media (prefers-color-scheme: light) {
    /* Keep dark theme regardless of system preference for this design */
}

/* ========== Print Styles ========== */
@media print {
    .whatsapp-btn,
    .back-to-top,
    #header,
    .scroll-indicator {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        page-break-inside: avoid;
    }
}