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

:root {
    --primary: #2e7d32;
    --primary-light: #4caf50;
    --primary-dark: #1b5e20;
    --primary-glow: rgba(46, 125, 50, 0.3);
    --accent: #c8a45a;
    --dark: #0a0a0a;
    --dark-card: #141414;
    --dark-border: #222;
    --light: #fafafa;
    --light-card: #ffffff;
    --gray: #888;
    --text: #333;
    --text-light: rgba(255, 255, 255, 0.7);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--light);
}

a {
    text-decoration: none;
    color: inherit;
    -webkit-tap-highlight-color: transparent;
}

button {
    -webkit-tap-highlight-color: transparent;
}

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 12px 0;
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 8px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

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

.logo-img {
    height: 50px;
    width: auto;
    border-radius: 8px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--light);
    letter-spacing: 2px;
    line-height: 1.1;
}

.logo-sub {
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--primary-light);
    letter-spacing: 3px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    font-size: 0.88rem;
    transition: color var(--transition);
    letter-spacing: 0.3px;
}

.nav a:hover {
    color: var(--primary-light);
}

.nav-cta {
    background: var(--primary);
    color: var(--light) !important;
    padding: 8px 22px;
    border-radius: 50px;
    font-weight: 600 !important;
    transition: all var(--transition) !important;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--light);
    transition: var(--transition);
    border-radius: 2px;
}

/* === Hero === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--dark);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, var(--primary-glow) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(200, 164, 90, 0.1) 0%, transparent 50%);
    background-size: 200% 200%;
    animation: gradientShift 12s ease-in-out infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    33% { background-position: 100% 25%; }
    66% { background-position: 50% 100%; }
    100% { background-position: 0% 50%; }
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.hero-cnc-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.15;
}

.hero-cnc-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 120px 0 80px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(46, 125, 50, 0.15);
    border: 1px solid rgba(46, 125, 50, 0.3);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 800;
    color: var(--light);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.text-accent {
    color: var(--primary-light);
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 520px;
    font-weight: 300;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    color: var(--light);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--primary-light);
    color: var(--primary-light);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--light);
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--gray);
    margin-top: 4px;
    font-weight: 400;
}

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

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

.section-label {
    display: block;
    text-align: center;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.section-label-light {
    color: var(--primary-light);
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 60px;
    letter-spacing: -0.5px;
    transition: transform 0.1s linear;
}

.section-title-light {
    color: var(--light);
}

/* === Services === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.service-card {
    background: var(--light-card);
    padding: 28px 20px;
    border-radius: var(--radius);
    border: 1px solid #eee;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.service-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(46, 125, 50, 0.1);
    line-height: 1;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    font-size: 0.82rem;
    line-height: 1.7;
}

.service-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transition: width var(--transition);
}

.service-card:hover .service-line {
    width: 100%;
}

/* === Materials === */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.material-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius);
    overflow: hidden;
    text-align: center;
    transition: all var(--transition);
}

.material-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(46, 125, 50, 0.15);
}

.material-img {
    width: 100%;
    height: 160px;
    overflow: hidden;
    background: #1a1a1a;
}

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

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

.material-card h3 {
    color: var(--light);
    font-size: 1.05rem;
    font-weight: 700;
    margin-top: 16px;
    margin-bottom: 6px;
}

.material-card p {
    color: var(--gray);
    font-size: 0.82rem;
    padding: 0 12px 20px;
}

/* === Process === */
.process-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.process-step {
    flex: 1;
    min-width: 200px;
    max-width: 240px;
    text-align: center;
    padding: 0 16px;
}

.process-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--light);
    font-weight: 800;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.process-step h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.process-step p {
    font-size: 0.85rem;
    color: var(--gray);
    line-height: 1.6;
}

.process-connector {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), transparent);
    margin-top: 24px;
    flex-shrink: 0;
}

/* === Gallery === */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
}

.gallery-large {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
}

.gallery-item img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.gallery-large img {
    height: 100%;
    min-height: 320px;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.7));
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}

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

/* === CTA === */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 80px 0;
}

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

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--light);
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    background: var(--light);
    color: var(--primary-dark);
}

.cta-section .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* === Contact === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}

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

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--light-card);
    border-radius: var(--radius-sm);
    border: 1px solid #eee;
    transition: all var(--transition);
}

.contact-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(46, 125, 50, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary);
}

.contact-label {
    display: block;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.contact-card p {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.5;
}

.contact-card a {
    color: var(--primary);
    font-weight: 600;
}

.contact-card a:hover {
    text-decoration: underline;
}

/* === Footer === */
.footer {
    background: var(--dark);
    padding: 30px 0;
    border-top: 1px solid var(--dark-border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--light);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.footer-logo {
    height: 40px;
    width: auto;
    border-radius: 6px;
    object-fit: contain;
}

.footer p {
    color: var(--gray);
    font-size: 0.8rem;
}

/* === WhatsApp Float === */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 99;
    transition: all var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

/* === Lightbox === */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(10px);
    align-items: center;
    justify-content: center;
    padding: 20px;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    cursor: default;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 28px;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    transition: opacity 0.2s;
    z-index: 201;
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 201;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.25);
}

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

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--primary-glow); }
    50% { box-shadow: 0 0 0 12px transparent; }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.hero-badge {
    animation: fadeInUp 0.8s ease both;
}

.hero h1 {
    animation: fadeInUp 0.8s ease 0.15s both;
}

.hero p {
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-actions {
    animation: fadeInUp 0.8s ease 0.45s both;
}

.hero-stats {
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats .stat-number {
    background: linear-gradient(90deg, var(--light), var(--primary-light), var(--light));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

.process-number {
    animation: pulse 3s ease-in-out infinite;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger children */
.services-grid .fade-in:nth-child(1) { transition-delay: 0s; }
.services-grid .fade-in:nth-child(2) { transition-delay: 0.1s; }
.services-grid .fade-in:nth-child(3) { transition-delay: 0.2s; }
.services-grid .fade-in:nth-child(4) { transition-delay: 0.3s; }
.services-grid .fade-in:nth-child(5) { transition-delay: 0.4s; }

.materials-grid .fade-in:nth-child(1) { transition-delay: 0s; }
.materials-grid .fade-in:nth-child(2) { transition-delay: 0.1s; }
.materials-grid .fade-in:nth-child(3) { transition-delay: 0.2s; }
.materials-grid .fade-in:nth-child(4) { transition-delay: 0.3s; }
.materials-grid .fade-in:nth-child(5) { transition-delay: 0.4s; }

/* === Responsive === */
@media (max-width: 968px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .gallery-item img {
        height: 220px;
    }

    .gallery-large {
        grid-column: 1 / 3;
        grid-row: auto;
    }

    .gallery-large img {
        height: 240px;
    }

    .process-connector {
        display: none;
    }

    .process-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .process-step {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        text-align: center;
    }

    .nav.active {
        display: flex;
    }

    .nav-cta {
        align-self: center;
    }

    .nav-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2.2rem;
    }


    .hero-stats {
        gap: 28px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

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

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

    .gallery-item img {
        height: 180px;
    }

    .gallery-large {
        grid-column: 1 / 3;
    }

    .gallery-large img {
        height: 200px;
    }

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

    .footer-inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .cta-content h2 {
        font-size: 1.6rem;
    }

    .section {
        padding: 70px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .header {
        padding: 10px 0;
    }

    .logo-img {
        height: 38px;
    }

    .logo-name {
        font-size: 0.95rem;
    }

    .logo-sub {
        font-size: 0.5rem;
    }

    .hero {
        min-height: 100svh;
    }

    .hero-content {
        padding: 100px 0 50px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .hero-badge {
        font-size: 0.7rem;
        padding: 5px 12px;
    }

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

    .service-card {
        padding: 28px 20px;
    }

    .materials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .material-card {
        padding: 24px 16px;
    }

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

    .hero-actions {
        flex-direction: column;
        margin-bottom: 40px;
    }

    .btn {
        justify-content: center;
        padding: 14px 28px;
        font-size: 0.9rem;
    }

    .hero-stats {
        flex-direction: row;
        gap: 20px;
        justify-content: space-between;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 40px;
    }

    .section-label {
        font-size: 0.7rem;
    }

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

    .gallery-item img {
        height: 250px;
    }

    .gallery-large {
        grid-column: auto;
    }

    .gallery-large img {
        height: 250px;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 1.4rem;
    }

    .cta-content p {
        font-size: 0.9rem;
    }

    .contact-card {
        padding: 16px;
    }

    .contact-map iframe {
        min-height: 280px !important;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
    }
}

/* iPhone SE y pantallas muy pequenas */
@media (max-width: 360px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .hero-stats {
        gap: 12px;
    }

    .stat-number {
        font-size: 1.2rem;
    }

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

/* Fix para iOS Safari - altura del viewport */
@supports (-webkit-touch-callout: none) {
    .hero {
        min-height: -webkit-fill-available;
    }
}