/* ========================================
   Silent Tattoo Studio — Styles
   Dark Boutique · Minimal · Editorial
   ======================================== */

/* CSS Variables */
:root {
    --negro: #050505;
    --carbon: #121212;
    --gris-cemento: #2A2A2A;
    --gris-medio: #3A3A3A;
    --plata: #D8D3DA;
    --rosa: #D34B78;
    --rosa-oscuro: #8A2F4E;
    --marfil: #F3ECEC;
    --blanco: #FFFFFF;
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--negro);
    color: var(--plata);
    line-height: 1.7;
    font-weight: 300;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Section */
.section {
    padding: 6rem 0;
    position: relative;
}

/* Section Label */
.section-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--rosa);
    margin-bottom: 1rem;
}

/* Section Title */
.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 300;
    line-height: 1.15;
    color: var(--marfil);
    margin-bottom: 1.5rem;
}

/* Section Description */
.section-desc {
    font-size: 1rem;
    color: var(--plata);
    max-width: 480px;
    opacity: 0.8;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header .section-title {
    margin-bottom: 1rem;
}

.section-header .section-desc {
    margin: 0 auto;
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: all 0.5s var(--transition-smooth);
    opacity: 0;
    transform: translateY(-10px);
}

.nav.visible {
    opacity: 1;
    transform: translateY(0);
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(211, 75, 120, 0.08);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav-logo {
    display: block;
    width: 36px;
    height: 36px;
    transition: opacity 0.3s ease;
}

.nav-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--plata);
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--rosa);
    transition: width 0.4s var(--transition-smooth);
}

.nav-links a:hover {
    color: var(--marfil);
}

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

/* Nav Toggle (Mobile) */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--marfil);
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ========================================
   Hero
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.35) saturate(0.7);
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.12); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(5, 5, 5, 0.4) 0%,
        rgba(5, 5, 5, 0.2) 40%,
        rgba(5, 5, 5, 0.7) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 2rem 1.5rem;
    opacity: 0;
    animation: fadeInUp 1.2s ease 0.3s forwards;
}

.hero-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid rgba(211, 75, 120, 0.2);
}

.hero-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 6vw, 3.75rem);
    font-weight: 300;
    line-height: 1.15;
    color: var(--marfil);
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}

.hero-subtitle {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--plata);
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0;
    animation: fadeIn 1s ease 1.5s forwards;
}

.scroll-indicator span {
    display: block;
    width: 20px;
    height: 32px;
    border: 1px solid rgba(216, 211, 218, 0.4);
    border-radius: 10px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 6px;
    background: var(--rosa);
    border-radius: 1px;
    animation: scrollDot 2s ease infinite;
}

@keyframes scrollDot {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 16px; opacity: 0.3; }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.4s var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--rosa-oscuro);
    border-color: var(--rosa-oscuro);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(211, 75, 120, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--marfil);
    border-color: rgba(216, 211, 218, 0.3);
}

.btn-secondary:hover {
    border-color: var(--rosa);
    color: var(--rosa);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 0.875rem;
}

/* ========================================
   Concepto Section
   ======================================== */
.concepto {
    background: var(--negro);
    overflow: hidden;
}

.concepto-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.concepto-text {
    max-width: 480px;
}

.concepto-text p {
    font-size: 1rem;
    color: var(--plata);
    margin-bottom: 1.25rem;
    opacity: 0.85;
}

.concepto-image {
    position: relative;
    overflow: hidden;
}

.concepto-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    filter: brightness(0.7) saturate(0.8);
    transition: transform 0.8s var(--transition-smooth);
}

.concepto-image:hover img {
    transform: scale(1.03);
}

.concepto-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(211, 75, 120, 0.1);
    pointer-events: none;
}

/* ========================================
   Trabajos / Gallery
   ======================================== */
.trabajos {
    background: var(--carbon);
    overflow: hidden;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s var(--transition-smooth), filter 0.5s ease;
    filter: brightness(0.85) saturate(0.85);
}

.gallery-item:hover img {
    transform: scale(1.06);
    filter: brightness(1) saturate(1);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 1rem 1rem;
    background: linear-gradient(transparent, rgba(5, 5, 5, 0.8));
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.5s var(--transition-smooth);
}

.gallery-item:hover .gallery-caption {
    opacity: 1;
    transform: translateY(0);
}

.gallery-caption span {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--marfil);
}

/* ========================================
   Estudio Section
   ======================================== */
.estudio {
    background: var(--negro);
    overflow: hidden;
}

.estudio-inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.estudio-images {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 0.75rem;
    position: relative;
}

.estudio-image-main,
.estudio-image-secondary {
    overflow: hidden;
    position: relative;
}

.estudio-image-main img,
.estudio-image-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7) saturate(0.8);
    transition: transform 0.8s var(--transition-smooth);
}

.estudio-image-main {
    aspect-ratio: 3/4;
}

.estudio-image-secondary {
    aspect-ratio: 1/1;
    align-self: end;
}

.estudio-images:hover img {
    transform: scale(1.03);
}

.estudio-text {
    max-width: 460px;
}

.estudio-text p {
    font-size: 1rem;
    color: var(--plata);
    margin-bottom: 2rem;
    opacity: 0.85;
}

.estudio-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(216, 211, 218, 0.12);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.info-label {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rosa);
}

.info-value {
    font-size: 0.9375rem;
    color: var(--marfil);
    line-height: 1.6;
}

.info-note {
    font-size: 0.6875rem;
    color: var(--gris-medio);
    font-style: italic;
}

/* ========================================
   Proceso Section
   ======================================== */
.proceso {
    background: var(--carbon);
    overflow: hidden;
}

.proceso-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    position: relative;
}

.step {
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s var(--transition-smooth);
}

.step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step:nth-child(1) { transition-delay: 0.1s; }
.step:nth-child(2) { transition-delay: 0.2s; }
.step:nth-child(3) { transition-delay: 0.3s; }
.step:nth-child(4) { transition-delay: 0.4s; }
.step:nth-child(5) { transition-delay: 0.5s; }

.step-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--rosa);
    margin-bottom: 1rem;
    line-height: 1;
    opacity: 0.6;
}

.step h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--marfil);
    margin-bottom: 0.75rem;
}

.step p {
    font-size: 0.8125rem;
    color: var(--plata);
    opacity: 0.75;
    line-height: 1.7;
}

/* Connector line */
.proceso-steps::before {
    content: '';
    position: absolute;
    top: 3.5rem;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(211, 75, 120, 0.2), transparent);
    z-index: 0;
}

/* ========================================
   Contacto Section
   ======================================== */
.contacto {
    background: var(--negro);
    text-align: center;
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.contacto::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 4rem;
    background: linear-gradient(transparent, rgba(211, 75, 120, 0.3));
}

.contacto-inner {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contacto-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 300;
    color: var(--marfil);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.contacto-desc {
    font-size: 1rem;
    color: var(--plata);
    margin-bottom: 2.5rem;
    opacity: 0.8;
}

.contacto-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contacto-cta .btn {
    width: 100%;
    max-width: 320px;
}

.contacto-note {
    font-size: 0.75rem;
    color: var(--gris-medio);
    font-style: italic;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--carbon);
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(216, 211, 218, 0.06);
}

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

.footer-logo {
    width: 40px;
    height: 40px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    opacity: 0.5;
}

.footer-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--gris-medio);
    margin-bottom: 1rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
}

.footer-links a {
    color: var(--plata);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--rosa);
}

.footer-links .separator {
    color: var(--gris-medio);
}

.footer-copy {
    font-size: 0.6875rem;
    color: var(--gris-medio);
    letter-spacing: 0.05em;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Scroll reveal class */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive — Tablet
   ======================================== */
@media (max-width: 1024px) {
    .concepto-inner {
        gap: 3rem;
    }
    
    .estudio-inner {
        gap: 3rem;
    }
    
    .proceso-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .proceso-steps::before {
        display: none;
    }
}

/* ========================================
   Responsive — Mobile
   ======================================== */
@media (max-width: 768px) {
    .section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: var(--carbon);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: right 0.4s var(--transition-smooth);
        border-left: 1px solid rgba(211, 75, 120, 0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        padding: 2rem 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .concepto-inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .concepto-image img {
        height: 350px;
    }
    
    .gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item:nth-child(1) {
        grid-column: span 2;
        aspect-ratio: 16/9;
    }
    
    .estudio-inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .estudio-images {
        order: 2;
    }
    
    .estudio-text {
        order: 1;
    }
    
    .proceso-steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .step {
        padding: 1.5rem;
        text-align: left;
        display: grid;
        grid-template-columns: auto 1fr;
        gap: 0 1.5rem;
        align-items: start;
    }
    
    .step-number {
        grid-row: 1 / 3;
        font-size: 2rem;
        margin-bottom: 0;
    }
    
    .step h3 {
        margin-bottom: 0.375rem;
    }
    
    .step p {
        grid-column: 2;
    }
    
    .contacto {
        padding: 5rem 0 4rem;
    }
    
    .contacto-cta .btn {
        max-width: 100%;
    }
}

/* ========================================
   Small Mobile
   ======================================== */
@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }
    
    .gallery {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .gallery-item:nth-child(1) {
        grid-column: span 1;
        aspect-ratio: 3/4;
    }
    
    .hero-logo {
        width: 60px;
        height: 60px;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.75rem;
    }
}

/* ========================================
   Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .hero-bg-img {
        animation: none;
        transform: scale(1);
    }
    
    .hero-content {
        animation: none;
        opacity: 1;
    }
    
    .scroll-indicator {
        animation: none;
        opacity: 1;
    }
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 5, 0.92);
    cursor: pointer;
}

.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.95);
    transition: transform 0.3s var(--transition-smooth);
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid rgba(216, 211, 218, 0.3);
    color: var(--marfil);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.lightbox-close:hover {
    border-color: var(--rosa);
    color: var(--rosa);
}