/* ========================================
   CSS Variables
   ======================================== */
:root {
    --color-primary: #e67e22;
    --color-primary-dark: #d35400;
    --color-primary-light: #f39c12;
    --color-accent: #f1c40f;
    --color-dark: #1a1a2e;
    --color-dark-2: #16213e;
    --color-dark-3: #0f3460;
    --color-text: #2c3e50;
    --color-text-light: #7f8c8d;
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-light-2: #ecf0f1;
    --color-whatsapp: #25d366;
    --color-whatsapp-dark: #128c7e;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 60px rgba(0, 0, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --font-main: 'Montserrat', sans-serif;
    --transition: 0.3s ease;
}

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

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

body {
    font-family: var(--font-main);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--color-white);
}

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

ul, ol {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 16px 0;
}

.header.scrolled {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
}

.logo i {
    color: var(--color-primary);
    font-size: 1.8rem;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 4px 0;
}

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

.nav-link:hover {
    color: var(--color-white);
}

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

.header-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
}

.header-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-white);
    border-radius: 3px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-main);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(230, 126, 34, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    transform: translateY(-3px);
}

.btn-whatsapp {
    background: var(--color-whatsapp);
    color: var(--color-white);
    border-color: var(--color-whatsapp);
}

.btn-whatsapp:hover {
    background: var(--color-whatsapp-dark);
    border-color: var(--color-whatsapp-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* ========================================
   Hero
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background:
        linear-gradient(135deg, rgba(26, 26, 46, 0.92) 0%, rgba(15, 52, 96, 0.88) 50%, rgba(230, 126, 34, 0.15) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%231a1a2e" width="1200" height="800"/><g opacity="0.08"><rect x="100" y="500" width="400" height="200" rx="10" fill="%23e67e22"/><rect x="150" y="400" width="60" height="100" rx="5" fill="%23f39c12"/><rect x="700" y="550" width="300" height="150" rx="10" fill="%23e67e22"/><polygon points="250,400 280,300 310,400" fill="%23f39c12"/></g></svg>');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(230, 126, 34, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(15, 52, 96, 0.3) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 20px 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(230, 126, 34, 0.15);
    border: 1px solid rgba(230, 126, 34, 0.3);
    color: var(--color-primary-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 24px;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.75);
    max-width: 650px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.1), rgba(243, 156, 18, 0.1));
    color: var(--color-primary);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ========================================
   Services
   ======================================== */
.services {
    background: var(--color-light);
}

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

.service-card {
    background: var(--color-white);
    padding: 36px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(230, 126, 34, 0.2);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--color-white);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-dark);
}

.service-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   Equipment
   ======================================== */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.equipment-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--color-light-2);
}

.equipment-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.equipment-visual {
    background: linear-gradient(135deg, var(--color-dark), var(--color-dark-3));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    aspect-ratio: 3/2;
}

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

.equipment-card:hover .equipment-img {
    transform: scale(1.05);
}

.equipment-info {
    padding: 32px;
}

.equipment-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-dark);
}

.equipment-info p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.equipment-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--color-text);
}

.equipment-features i {
    color: var(--color-primary);
    font-size: 0.85rem;
}

/* ========================================
   Why Us
   ======================================== */
.why-us {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-2) 100%);
}

.why-us .section-tag {
    background: rgba(230, 126, 34, 0.2);
    color: var(--color-primary-light);
}

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

.why-us .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    transition: var(--transition);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(230, 126, 34, 0.3);
    transform: translateY(-5px);
}

.why-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    line-height: 1;
}

.why-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}

.why-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}

/* ========================================
   Projects / Gallery
   ======================================== */
.projects {
    background: var(--color-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

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

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.85), transparent);
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-overlay span {
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.95rem;
}

.gallery-hint {
    text-align: center;
    margin-top: 30px;
    color: var(--color-text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.gallery-hint i {
    color: var(--color-primary);
}

/* ========================================
   CTA Banner
   ======================================== */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background: var(--color-white);
    color: var(--color-primary-dark);
    border-color: var(--color-white);
}

.cta-buttons .btn-primary:hover {
    background: var(--color-light);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Contact
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.contact-card {
    background: var(--color-light);
    padding: 36px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.contact-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--color-white);
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.contact-card p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.contact-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.contact-link:hover {
    color: var(--color-primary-dark);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-dark);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin-top: 16px;
    line-height: 1.7;
}

.footer-company-details {
    margin-top: 8px !important;
    font-size: 0.82rem !important;
    line-height: 1.6 !important;
    color: rgba(255, 255, 255, 0.4) !important;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links a,
.footer-contact a {
    display: block;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    padding: 4px 0;
}

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

.footer-contact a {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.85rem;
}

/* ========================================
   Floating WhatsApp
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    width: 64px;
    height: 64px;
    background: var(--color-whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-white);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
    transition: var(--transition);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 35px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 76px;
    background: var(--color-dark);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

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

@keyframes whatsapp-pulse {
    0% { box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45); }
    50% { box-shadow: 0 6px 35px rgba(37, 211, 102, 0.65), 0 0 0 12px rgba(37, 211, 102, 0.15); }
    100% { box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45); }
}

/* ========================================
   Animations
   ======================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.services-grid .service-card:nth-child(2),
.why-grid .why-card:nth-child(2),
.contact-grid .contact-card:nth-child(2) {
    transition-delay: 0.1s;
}

.services-grid .service-card:nth-child(3),
.why-grid .why-card:nth-child(3),
.contact-grid .contact-card:nth-child(3) {
    transition-delay: 0.2s;
}

.services-grid .service-card:nth-child(4),
.contact-grid .contact-card:nth-child(4) {
    transition-delay: 0.3s;
}

.services-grid .service-card:nth-child(5) { transition-delay: 0.1s; }
.services-grid .service-card:nth-child(6) { transition-delay: 0.2s; }
.services-grid .service-card:nth-child(7) { transition-delay: 0.3s; }
.services-grid .service-card:nth-child(8) { transition-delay: 0.4s; }

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        transform: translateX(100%);
        transition: transform 0.4s ease;
    }

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

    .nav-link {
        font-size: 1.3rem;
    }

    .header-cta {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content {
        padding: 100px 16px 60px;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

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

    .equipment-visual {
        padding: 36px;
    }

    .equipment-icon-wrap {
        width: 90px;
        height: 90px;
        font-size: 2.2rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section {
        padding: 70px 0;
    }
}

@media (max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

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

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

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

    .btn-lg {
        padding: 14px 28px;
        font-size: 0.95rem;
        width: 100%;
        justify-content: center;
    }

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

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 1.7rem;
    }
}