/* ============================================
   DOTCOS - Main Stylesheet
   Consultora Tecnológica
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #6c5ce7;
    --primary-light: #a29bfe;
    --primary-dark: #5541d7;
    --accent: #00cec9;
    --accent-light: #55efc4;
    --accent-alt: #fd79a8;
    --bg-dark: #0a0a1a;
    --bg-darker: #060612;
    --bg-card: #12122a;
    --bg-card-hover: #1a1a3e;
    --surface: #16163a;
    --text-primary: #ffffff;
    --text-secondary: #b2b2d0;
    --text-muted: #7878a0;
    --border-color: rgba(108, 92, 231, 0.15);
    --gradient-primary: linear-gradient(135deg, #6c5ce7, #00cec9);
    --gradient-accent: linear-gradient(135deg, #fd79a8, #6c5ce7);
    --gradient-dark: linear-gradient(180deg, #0a0a1a 0%, #12122a 100%);
    --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark);
    color: var(--text-secondary);
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--primary);
    color: white;
}

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

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

/* ---------- Page Loader ---------- */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--bg-darker);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

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

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(108, 92, 231, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

.loader-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

/* ---------- Typography ---------- */
.brand-dot {
    color: var(--accent);
    font-weight: 900;
    font-size: 1.2em;
}

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

.section-label {
    margin-bottom: 16px;
}

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

.section-label span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    letter-spacing: 0.5px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.section-text {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 16px;
}

.section-padding {
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-darker);
}

/* ---------- Navbar ---------- */
.navbar {
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
    z-index: 1000;
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary) !important;
    letter-spacing: -0.5px;
}

.navbar-brand:hover {
    color: var(--text-primary) !important;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px !important;
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.toggler-icon {
    color: var(--text-primary);
    font-size: 1.3rem;
}

.navbar-toggler {
    border: 1px solid var(--border-color);
    padding: 6px 10px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Buttons */
.btn-glow {
    background: var(--gradient-primary);
    color: white !important;
    border: none;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    z-index: 1;
}

.btn-glow::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s;
    filter: blur(15px);
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white !important;
}

.btn-glow:hover::before {
    opacity: 0.6;
}

.btn-outline-glow {
    background: transparent;
    color: var(--text-primary) !important;
    border: 2px solid rgba(108, 92, 231, 0.4);
    padding: 10px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-outline-glow:hover {
    border-color: var(--primary);
    background: rgba(108, 92, 231, 0.1);
    transform: translateY(-2px);
    color: var(--text-primary) !important;
}

/* ==================== HERO SECTION ==================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-darker);
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108, 92, 231, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 206, 201, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(253, 121, 168, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-light);
    border-radius: 50%;
    opacity: 0;
    animation: floatParticle 6s infinite ease-in-out;
}

@keyframes floatParticle {
    0%, 100% { opacity: 0; transform: translateY(0) scale(0); }
    10% { opacity: 0.6; }
    50% { opacity: 0.3; transform: translateY(-200px) scale(1); }
    90% { opacity: 0; }
    100% { transform: translateY(-400px) scale(0.5); }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.25);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary-light);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease forwards;
}

.hero-badge i {
    color: var(--accent);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 32px;
    line-height: 1.8;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

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

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}

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

/* Hero Visual (floating cards) */
.hero-visual {
    position: relative;
    height: 500px;
    perspective: 1000px;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(18, 18, 42, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    z-index: 2;
}

.floating-card i {
    font-size: 1.3rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.card-1 {
    top: 15%;
    left: 10%;
    animation: float1 6s ease-in-out infinite;
}
.card-1 i { background: rgba(108, 92, 231, 0.2); color: var(--primary-light); }

.card-2 {
    top: 35%;
    right: 5%;
    animation: float2 7s ease-in-out infinite;
}
.card-2 i { background: rgba(0, 206, 201, 0.2); color: var(--accent); }

.card-3 {
    bottom: 35%;
    left: 5%;
    animation: float3 5s ease-in-out infinite;
}
.card-3 i { background: rgba(253, 121, 168, 0.2); color: var(--accent-alt); }

.card-4 {
    bottom: 15%;
    right: 15%;
    animation: float4 8s ease-in-out infinite;
}
.card-4 i { background: rgba(85, 239, 196, 0.2); color: var(--accent-light); }

@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-3deg); }
}
@keyframes float3 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(1deg); }
}
@keyframes float4 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-18px) rotate(-2deg); }
}

.hero-globe {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.08), transparent 70%);
    border: 1px solid rgba(108, 92, 231, 0.08);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.8; }
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--primary);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    animation: scrollDown 2s ease infinite;
}

@keyframes scrollDown {
    0% { top: -100%; }
    100% { top: 100%; }
}

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

/* ==================== ABOUT SECTION ==================== */
.about-images {
    position: relative;
}

.about-img-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 16px;
}

.about-img-main img,
.about-img-secondary img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.about-img-secondary {
    margin-top: 40px;
}

.about-experience-badge {
    position: absolute;
    bottom: -20px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-glow);
    z-index: 2;
}

.exp-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: white;
}

.exp-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.3;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-icon-sm {
    flex-shrink: 0;
}

.feature-icon-sm i {
    font-size: 1.3rem;
    color: var(--accent);
}

.about-feature-item h6 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.about-feature-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* ==================== BANNER CAROUSEL ==================== */
.banner-section {
    padding: 40px 0;
    overflow: hidden;
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.banner-track {
    display: flex;
    gap: 20px;
    animation: scrollBanners 30s linear infinite;
    width: max-content;
}

.banner-slide {
    flex-shrink: 0;
    width: 350px;
    height: 200px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

.banner-slide:hover img {
    transform: scale(1.05);
}

@keyframes scrollBanners {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-370px * 7)); }
}

/* ==================== SERVICES SECTION ==================== */
.service-card {
    position: relative;
    padding: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    overflow: hidden;
    height: 100%;
}

.service-card-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.1), transparent 70%);
    border-radius: 50%;
    transition: var(--transition);
    pointer-events: none;
}

.service-card:hover {
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.service-card:hover .service-card-glow {
    opacity: 1;
    transform: scale(1.2);
}

.service-card-featured {
    border-color: rgba(108, 92, 231, 0.3);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.05), var(--bg-card));
}

.service-card-highlight {
    border-color: rgba(0, 206, 201, 0.3);
    background: linear-gradient(135deg, rgba(0, 206, 201, 0.05), var(--bg-card));
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--gradient-primary);
    margin-bottom: 24px;
}

.service-icon i {
    font-size: 1.5rem;
    color: white;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.service-features li i {
    color: var(--accent);
    font-size: 0.85rem;
    width: 16px;
    text-align: center;
}

.service-tag {
    margin-top: auto;
}

.service-tag span {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--primary-light);
    font-weight: 500;
}

.service-card-highlight .service-icon {
    background: linear-gradient(135deg, var(--accent), #6c5ce7);
}

.service-card-highlight .service-tag span {
    background: rgba(0, 206, 201, 0.1);
    border-color: rgba(0, 206, 201, 0.2);
    color: var(--accent);
}

.service-icon-pink {
    background: linear-gradient(135deg, #fd79a8, #e84393) !important;
}

.service-tag-pink span {
    background: rgba(253, 121, 168, 0.1) !important;
    border-color: rgba(253, 121, 168, 0.2) !important;
    color: #fd79a8 !important;
}

.service-icon-blue {
    background: linear-gradient(135deg, #0984e3, #00cec9) !important;
}

.service-tag-blue span {
    background: rgba(9, 132, 227, 0.1) !important;
    border-color: rgba(9, 132, 227, 0.2) !important;
    color: #74b9ff !important;
}

/* ==================== TECH SECTION ==================== */
.tech-section {
    background: var(--bg-dark);
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
    min-width: 130px;
}

.tech-item.tech-reveal {
    opacity: 0;
    transform: translateY(25px) scale(0.9);
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s ease,
                box-shadow 0.3s ease;
}

.tech-item.tech-reveal.tech-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.tech-item:hover {
    border-color: var(--primary);
    transform: translateY(-4px) !important;
    box-shadow: var(--shadow-glow);
}

.tech-item i {
    font-size: 2rem;
    color: var(--primary-light);
}

.tech-item span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ==================== PORTFOLIO SECTION ==================== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
    border-color: rgba(108, 92, 231, 0.3);
}

.portfolio-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.portfolio-card:hover .portfolio-img img {
    transform: scale(1.08);
}

/* Portfolio Emoji Hero Cards */
.portfolio-emoji-hero {
    position: relative;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: var(--transition);
}

.portfolio-emoji-hero .emoji-icon {
    font-size: 5rem;
    line-height: 1;
    filter: drop-shadow(0 4px 20px rgba(0,0,0,0.3));
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    position: relative;
}

.portfolio-card:hover .portfolio-emoji-hero .emoji-icon {
    transform: scale(1.15) translateY(-6px);
}

.portfolio-emoji-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 60%, rgba(255,255,255,0.1), transparent 70%);
    pointer-events: none;
}

.portfolio-emoji-hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 140%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.06), transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.emoji-hero-overlay {
    position: absolute;
    bottom: 12px;
    left: 16px;
    z-index: 3;
}

.emoji-hero-overlay .portfolio-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(8px);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 20%, rgba(6, 6, 18, 0.95) 100%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.portfolio-overlay-content {
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-overlay-content {
    transform: translateY(0);
}

.portfolio-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gradient-primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.portfolio-overlay h4 {
    color: white;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin: 0;
}

.portfolio-info {
    padding: 24px;
}

.portfolio-info h5 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.portfolio-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.portfolio-tags span {
    padding: 4px 12px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.15);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--primary-light);
    font-weight: 500;
}

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

/* ==================== CTA SECTION ==================== */
.cta-section {
    padding: 100px 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(108, 92, 231, 0.15), transparent 60%),
        radial-gradient(ellipse at 70% 50%, rgba(0, 206, 201, 0.1), transparent 60%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ==================== CONTACT SECTION ==================== */
.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.contact-info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-info-card:hover {
    border-color: var(--primary);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(108, 92, 231, 0.15);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--primary-light);
    font-size: 1.1rem;
}

.contact-info-card h6 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 2px;
    font-size: 0.9rem;
}

.contact-info-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* Contact Form */
.contact-form-wrapper {
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.form-floating-custom {
    position: relative;
    margin-bottom: 0;
}

.form-floating-custom label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 6px;
    display: block;
}

.contact-form .form-control {
    background: var(--surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: var(--transition);
}

.contact-form .form-control:focus {
    background: var(--surface);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
    color: var(--text-primary);
}

.contact-form .form-control::placeholder {
    color: var(--text-muted);
}

.contact-form textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

.contact-form select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237878a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.contact-form select.form-control option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-success {
    text-align: center;
    padding: 40px;
}

.success-icon {
    font-size: 4rem;
    color: var(--accent);
    margin-bottom: 16px;
}

.form-success h4 {
    color: var(--text-primary);
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-muted);
}

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

.footer-wave {
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    color: var(--bg-dark);
    line-height: 0;
}

.footer-wave svg {
    width: 100%;
    height: 60px;
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.site-footer h5 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links li a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links li a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--primary-light);
    font-size: 0.85rem;
    width: 16px;
}

.footer-divider {
    border-color: var(--border-color);
    margin: 40px 0 20px;
}

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

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-glow);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(108, 92, 231, 0.5);
}

/* ==================== ANIMATIONS (Scroll) ==================== */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        padding: 20px;
        border-radius: var(--radius);
        margin-top: 10px;
        border: 1px solid var(--border-color);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .section-padding {
        padding: 70px 0;
    }

    .contact-form-wrapper {
        padding: 24px;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    .stat-divider {
        display: none;
    }

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

    .about-img-secondary {
        margin-top: 0;
    }

    .about-img-main img,
    .about-img-secondary img {
        height: 200px;
    }

    .banner-slide {
        width: 280px;
        height: 160px;
    }

    .service-card {
        padding: 24px;
    }

    .portfolio-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 6px 16px;
        font-size: 0.8rem;
    }

    .tech-item {
        padding: 16px 20px;
        min-width: 100px;
    }

    .tech-item i {
        font-size: 1.5rem;
    }
}