/* ============================================================
   Halo RoboTech — Premium Dark Tech Theme
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
    --primary: #38bdf8;
    --primary-glow: rgba(56, 189, 248, 0.3);
    --primary-dark: #0284c7;
    --accent: #a78bfa;
    --accent-glow: rgba(167, 139, 250, 0.3);
    --success: #22c55e;
    --bg-deep: #020617;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #253349;
    --border: #334155;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --font-heading: 'Orbitron', monospace, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px var(--primary-glow);
    --radius: 16px;
    --radius-sm: 10px;
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-deep);
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

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

a {
    text-decoration: none;
    color: inherit;
}

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

/* --- Animated Background Grid --- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* --- Selection --- */
::selection {
    background: var(--primary);
    color: var(--bg-deep);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

header {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 5%;
    border-bottom: 1px solid rgba(56, 189, 248, 0.1);
    transition: var(--transition);
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
    opacity: 0.3;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    transition: var(--transition);
    cursor: pointer;
}

.logo:hover {
    text-shadow: 0 0 20px var(--primary-glow);
}

.logo::after {
    content: '™';
    font-size: 0.5rem;
    vertical-align: super;
    color: var(--accent);
}

/* --- Hamburger Menu Button --- */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Navigation */
nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

nav a {
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all var(--transition);
    position: relative;
    letter-spacing: 0.3px;
}

nav a:hover {
    color: var(--text);
    background: rgba(56, 189, 248, 0.08);
}

nav a.active {
    color: var(--primary);
    background: rgba(56, 189, 248, 0.12);
    box-shadow: inset 0 -2px 0 var(--primary);
}

/* Mobile nav overlay */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 6, 23, 0.6);
    backdrop-filter: blur(4px);
    z-index: 998;
}

.nav-overlay.active {
    display: block;
}

/* ============================================================
   HERO / BANNER SECTION
   ============================================================ */

.hero-slider {
    position: relative;
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    overflow: hidden;
    background: var(--bg-deep);
}

/* Background image with parallax feel */
.hero-slider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        url('https://images.unsplash.com/photo-1527977966376-1c8408f9f108?q=80&w=1920') center/cover no-repeat;
    filter: brightness(0.3) saturate(0.8);
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

/* Gradient overlay */
.hero-slider::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(135deg, rgba(2, 6, 23, 0.85) 0%, rgba(15, 23, 42, 0.5) 50%, rgba(2, 6, 23, 0.85) 100%),
        radial-gradient(ellipse at 30% 50%, rgba(56, 189, 248, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 50%, rgba(167, 139, 250, 0.06) 0%, transparent 60%);
    z-index: 1;
}

/* Particle-like floating dots */
.hero-slider .particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.hero-slider .particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: floatParticle 8s infinite;
    box-shadow: 0 0 6px var(--primary-glow);
}

.hero-slider .particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.hero-slider .particle:nth-child(2) { left: 25%; animation-delay: 1.2s; width: 2px; height: 2px; }
.hero-slider .particle:nth-child(3) { left: 40%; animation-delay: 2.5s; background: var(--accent); box-shadow: 0 0 6px var(--accent-glow); }
.hero-slider .particle:nth-child(4) { left: 55%; animation-delay: 0.8s; width: 4px; height: 4px; }
.hero-slider .particle:nth-child(5) { left: 70%; animation-delay: 3.2s; background: var(--accent); box-shadow: 0 0 6px var(--accent-glow); }
.hero-slider .particle:nth-child(6) { left: 85%; animation-delay: 1.8s; }
.hero-slider .particle:nth-child(7) { left: 50%; animation-delay: 4.5s; width: 2px; height: 2px; }
.hero-slider .particle:nth-child(8) { left: 15%; animation-delay: 3.8s; background: var(--accent); box-shadow: 0 0 6px var(--accent-glow); }
.hero-slider .particle:nth-child(9) { left: 65%; animation-delay: 2s; width: 3px; height: 3px; }
.hero-slider .particle:nth-child(10) { left: 90%; animation-delay: 5s; }

@keyframes floatParticle {
    0% { top: 100%; opacity: 0; }
    20% { opacity: 0.8; }
    80% { opacity: 0.8; }
    100% { top: -10%; opacity: 0; }
}

/* Hero content */
.hero-slider .hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-slider .badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    margin-bottom: 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 50px;
    animation: fadeInUp 1s ease-out 0.2s both;
    backdrop-filter: blur(10px);
}

.hero-slider h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.2;
    background: linear-gradient(135deg, #ffffff 0%, var(--primary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-slider h1 .highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-slider p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    max-width: 640px;
    margin: 0 auto 2rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* CTA Button */
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0.9rem 2.2rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--bg-deep);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition);
    animation: fadeInUp 1s ease-out 0.5s both;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.hero-cta::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: left 0.6s;
}

.hero-cta:hover::before {
    left: 100%;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.4);
}

.hero-cta:active {
    transform: translateY(0);
}

.hero-cta .arrow {
    transition: transform var(--transition);
    display: inline-block;
}

.hero-cta:hover .arrow {
    transform: translateX(4px);
}

/* Hero scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-scroll-indicator .mouse {
    width: 22px;
    height: 34px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.hero-scroll-indicator .mouse::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(6px); opacity: 0.3; }
}

/* ============================================================
   SVG ICON SYSTEM
   ============================================================ */

.icon-svg {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    position: relative;
    z-index: 1;
    transition: transform 0.4s;
}

.icon-svg svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.3));
}

.card:hover .icon-svg {
    transform: scale(1.15) rotate(-5deg);
}

.icon-svg::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.12), transparent);
    border-radius: 50%;
    z-index: -1;
    transition: all 0.4s;
}

.card:hover .icon-svg::after {
    width: 90px;
    height: 90px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.25), transparent);
}

/* Social SVG icons */
.social-svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: fill var(--transition);
}

.footer-social a:hover .social-svg {
    fill: #020617;
}

/* ============================================================
   CARD WITH IMAGE (Visual Cards)
   ============================================================ */

.card-visual {
    background: rgba(15, 23, 42, 0.8);
    border-radius: var(--radius);
    border: 1px solid rgba(51, 65, 85, 0.5);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    backdrop-filter: blur(10px);
    text-align: left;
}

.card-visual:hover {
    transform: translateY(-8px);
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 30px rgba(56, 189, 248, 0.05);
}

.card-visual .card-visual-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.card-visual .card-visual-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.card-visual .card-visual-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(2, 6, 23, 0.8));
    pointer-events: none;
}

.card-visual .card-number {
    position: absolute;
    top: 12px;
    right: 16px;
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.06);
    line-height: 1;
    user-select: none;
    z-index: 2;
}

.card-visual .card-body {
    padding: 1.5rem 1.8rem 2rem;
}

.card-visual .card-body h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.6rem;
    letter-spacing: 0.5px;
}

.card-visual .card-body p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.7;
}

.card-visual .card-body .icon-svg {
    width: 44px;
    height: 44px;
    margin-bottom: 1rem;
}

.card-visual .card-body .icon-svg::after {
    width: 50px;
    height: 50px;
}

/* ============================================================
   SERVICES / CARDS SECTION
   ============================================================ */

.services-section {
    padding: 6rem 5%;
    text-align: center;
    position: relative;
}

.section-header {
    margin-bottom: 4rem;
    position: relative;
}

.section-subtitle {
    display: inline-block;
    padding: 0.3rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.15);
    border-radius: 50px;
}

.services-section h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.section-divider {
    width: 60px;
    height: 3px;
    margin: 0 auto;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}

.section-description {
    max-width: 600px;
    margin: 1.2rem auto 0;
    color: var(--text-muted);
    font-size: 1rem;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(30, 41, 59, 0.4));
    padding: 3rem 2rem;
    border-radius: var(--radius);
    border: 1px solid rgba(51, 65, 85, 0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    text-align: center;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.05), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s;
}

.card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, transparent, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    transition: all 0.4s;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 30px rgba(56, 189, 248, 0.05);
}

.card:hover::before { opacity: 1; }

.card:hover::after {
    background: linear-gradient(135deg, var(--primary), var(--accent), transparent);
}

.card-icon {
    margin-bottom: 1.2rem;
    display: inline-block;
    position: relative;
    z-index: 1;
    transition: transform 0.4s;
}

.card-icon svg {
    width: 56px;
    height: 56px;
    filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.3));
}

.card:hover .card-icon {
    transform: scale(1.15) rotate(-5deg);
}

.card-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.1), transparent);
    border-radius: 50%;
    z-index: -1;
    transition: all 0.4s;
}

.card:hover .card-icon::after {
    width: 90px;
    height: 90px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.2), transparent);
}

.card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--text);
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

.card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Card number decoration */
.card .card-number {
    position: absolute;
    top: 10px;
    right: 15px;
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(56, 189, 248, 0.04);
    line-height: 1;
    user-select: none;
    transition: all 0.4s;
}

.card:hover .card-number {
    color: rgba(56, 189, 248, 0.08);
    transform: scale(1.1);
}

/* ============================================================
   STATS / COUNTERS SECTION
   ============================================================ */

.stats-section {
    padding: 5rem 5%;
    background: linear-gradient(135deg, rgba(2, 6, 23, 0.9), rgba(15, 23, 42, 0.8));
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(56, 189, 248, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(167, 139, 250, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary);
    vertical-align: super;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */

.about-section {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content {
    text-align: left;
}

.about-content .section-subtitle {
    margin-bottom: 0.8rem;
}

.about-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--text);
    margin-bottom: 1.2rem;
    letter-spacing: 1px;
}

.about-content .section-divider {
    margin: 0 0 1.5rem 0;
}

.about-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 380px;
    border: 1px solid rgba(56, 189, 248, 0.15);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), transparent);
}

/* ============================================================
   PRODUCT GRID
   ============================================================ */

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
    padding: 0 5%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Contact icon inline */
.contact-icon {
    vertical-align: middle;
    margin-right: 8px;
    flex-shrink: 0;
}

/* ============================================================
   WORKSHOP GALLERY
   ============================================================ */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5%;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 250px;
    border: 1px solid rgba(51, 65, 85, 0.4);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover {
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(56, 189, 248, 0.05);
    transform: translateY(-6px);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item .gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(2, 6, 23, 0.85));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.gallery-item .gallery-overlay span {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 0.3rem;
}

.gallery-item .gallery-overlay p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.gallery-item .gallery-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 0.3rem 0.8rem;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text);
    background: rgba(2, 6, 23, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(56, 189, 248, 0.15);
    border-radius: 6px;
    z-index: 2;
}

/* ============================================================
   CONTACT INFO
   ============================================================ */

.contact-info {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(30, 41, 59, 0.4));
    padding: 2.5rem;
    border-radius: var(--radius);
    max-width: 520px;
    margin: 2rem auto;
    border: 1px solid rgba(51, 65, 85, 0.5);
    backdrop-filter: blur(10px);
    text-align: left;
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
}

.contact-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.contact-info:hover {
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transform: translateY(-4px);
}

.contact-info p {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(51, 65, 85, 0.3);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.contact-info p:last-child {
    border-bottom: none;
}

.contact-info strong {
    color: var(--primary);
    font-weight: 600;
    margin-right: 8px;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */

.contact-form-wrapper {
    max-width: 600px;
    margin: 3rem auto;
    padding: 0 5%;
}

.contact-form {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(30, 41, 59, 0.4));
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid rgba(51, 65, 85, 0.5);
    backdrop-filter: blur(10px);
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(51, 65, 85, 0.6);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.submit-btn {
    width: 100%;
    padding: 0.9rem 2rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--bg-deep);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.submit-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: left 0.6s;
}

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

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.4);
}

.submit-btn:active { transform: translateY(0); }

/* Form success message */
.form-success {
    display: none;
    padding: 2rem;
    text-align: center;
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(30, 41, 59, 0.4));
    border-radius: var(--radius);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-success.show {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

.form-success .success-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.form-success h3 {
    color: var(--success);
    margin-bottom: 0.5rem;
}

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

/* ============================================================
   MAP SECTION
   ============================================================ */

.map-container {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(51, 65, 85, 0.5);
    height: 350px;
    position: relative;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: invert(0.9) hue-rotate(180deg) saturate(0.5);
}

/* ============================================================
   FLOATING WHATSAPP / CHAT BUTTON
   ============================================================ */

.float-whatsapp {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
}

.float-whatsapp .tooltip {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text);
    border: 1px solid rgba(51, 65, 85, 0.5);
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition);
    pointer-events: none;
    white-space: nowrap;
}

.float-whatsapp:hover .tooltip {
    opacity: 1;
    transform: translateX(0);
}

.whatsapp-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366, #128c7e);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition);
    animation: whatsappPulse 2s ease-in-out infinite;
    border: none;
    color: white;
    text-decoration: none;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    animation: none;
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 35px rgba(37, 211, 102, 0.7), 0 0 60px rgba(37, 211, 102, 0.15); }
}

/* ============================================================
   BACK TO TOP BUTTON
   ============================================================ */

.back-to-top {
    position: fixed;
    bottom: 90px;
    right: 24px;
    z-index: 999;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    color: var(--bg-deep);
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
    transition: all var(--transition);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.back-to-top.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(56, 189, 248, 0.5);
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
    background: linear-gradient(180deg, rgba(9, 14, 22, 0.9), var(--bg-deep));
    padding: 3rem 5% 2rem;
    text-align: center;
    border-top: 1px solid rgba(51, 65, 85, 0.3);
    color: var(--text-dim);
    font-size: 0.85rem;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: left;
    margin-bottom: 2rem;
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.footer-col p,
.footer-col a {
    color: var(--text-dim);
    font-size: 0.85rem;
    line-height: 2;
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
}

/* Social icons in footer */
.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 0.8rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(51, 65, 85, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    color: var(--text-muted);
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(51, 65, 85, 0.2);
    font-size: 0.8rem;
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 10px var(--primary-glow); }
    50% { box-shadow: 0 0 25px var(--primary-glow), 0 0 50px rgba(56, 189, 248, 0.1); }
}

.glow-pulse {
    animation: glowPulse 3s ease-in-out infinite;
}

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

@media (max-width: 1024px) {
    .hero-slider { min-height: 70vh; }
    .cards-container { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
    .about-section { grid-template-columns: 1fr; gap: 40px; }
    .about-image { height: 300px; }
}

@media (max-width: 768px) {
    .card-visual .card-visual-img { height: 160px; }
    header {
        flex-direction: row;
        padding: 0.8rem 5%;
    }

    .hamburger { display: flex; }

    nav {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: rgba(2, 6, 23, 0.98);
        backdrop-filter: blur(20px);
        padding: 5rem 2rem 2rem;
        transition: right 0.3s ease;
        z-index: 999;
        border-left: 1px solid rgba(56, 189, 248, 0.1);
    }

    nav.open {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        gap: 4px;
    }

    nav a {
        padding: 0.8rem 1.2rem;
        font-size: 1rem;
        display: block;
        border-radius: 10px;
    }

    .hero-slider { min-height: 80vh; padding: 0 15px; }
    .hero-slider h1 { font-size: 1.8rem; }
    .hero-slider .badge { font-size: 0.65rem; }
    .hero-cta { padding: 0.75rem 1.5rem; font-size: 0.85rem; }

    .services-section { padding: 4rem 5%; }
    .cards-container { grid-template-columns: 1fr; gap: 20px; }
    .product-grid { grid-template-columns: 1fr; }

    .form-row { grid-template-columns: 1fr; }

    .about-section { padding: 4rem 5%; }
    .about-image { height: 250px; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }

    .footer-content { grid-template-columns: 1fr; text-align: center; }
    .footer-social { justify-content: center; }

    .contact-info { margin: 2rem 15px; text-align: center; }
    .hero-scroll-indicator { display: none; }
    .map-container { margin: 0 15px; height: 250px; }
}

@media (max-width: 480px) {
    .hero-slider h1 { font-size: 1.5rem; }
    .hero-slider p { font-size: 0.9rem; }
    .card { padding: 2rem 1.5rem; }
    .services-section h2 { font-size: 1.4rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-number { font-size: 2rem; }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Reduced motion */
@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;
    }
    .hero-slider::before { animation: none; transform: none; }
}