/* 
   JD Arquitectura y Diseño - Design System
   Premium Architecture Studio Stylesheet
*/

:root {
    /* Color Palette - Light Mode */
    --bg-primary: #F9F7F2;
    --bg-secondary: #F2EEE9;
    --text-primary: #1A1A1A;
    --text-secondary: #4A4A4A;
    --accent: #8C7355;
    --accent-hover: #6D5942;
    --border: rgba(26, 26, 26, 0.1);
    --card-bg: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Manrope', sans-serif;
    
    /* Spacing & Transitions */
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --container-max: 1400px;
    --section-padding: 120px 0;
}

[data-theme="dark"] {
    --bg-primary: #121212;
    --bg-secondary: #1E1E1E;
    --text-primary: #E0E0E0;
    --text-secondary: #A0A0A0;
    --accent: #C5A070;
    --accent-hover: #E0B98A;
    --border: rgba(255, 255, 255, 0.1);
    --card-bg: #1A1A1A;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 30px 0;
    background: var(--bg-primary);
    transition: all 0.4s ease;
}

header.scrolled {
    background: var(--bg-primary);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-img {
    height: 70px;
    width: auto;
    transition: all 0.4s ease;
}

header.scrolled .logo-img {
    height: 50px;
}

.logo-img-footer {
    height: 80px;
    width: auto;
    max-width: 100%;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    opacity: 0.6;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover {
    opacity: 1;
}

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

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--accent);
    transform: rotate(15deg);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Language Selector */
.lang-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--text-primary);
    opacity: 0.4;
    transition: var(--transition);
}

.lang-btn.active {
    opacity: 1;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.lang-btn:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        transition: 0.5s ease-in-out;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 140px;
    padding-bottom: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(3.5rem, 8vw, 5.5rem);
    margin-bottom: 30px;
}

.hero-text p {
    font-size: 1.1rem;
    max-width: 500px;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

.btn {
    display: inline-block;
    padding: 18px 45px;
    background: var(--text-primary);
    color: var(--bg-primary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    border: 1px solid var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--accent);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover {
    color: white;
    border-color: var(--accent);
}

.btn:hover::before {
    width: 100%;
}

.hero-image {
    height: 80vh;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: sepia(10%) contrast(1.05) brightness(0.95);
    transition: var(--transition);
}

.hero-image:hover img {
    transform: scale(1.05);
}

/* Services Section */
.services {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header span {
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.8rem;
    color: var(--accent);
    display: block;
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 3.5rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: var(--accent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    padding: 60px 40px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.service-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* About Section */
.about {
    padding: var(--section-padding);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 100px;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: contrast(1.1) brightness(0.9);
}

.about-text h2 {
    font-size: 3.5rem;
    margin-bottom: 30px;
}

.about-text p {
    margin-bottom: 25px;
    color: var(--text-secondary);
}

/* Why Us Section */
.why-us {
    padding: var(--section-padding);
    background: var(--text-primary);
    color: var(--bg-primary);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
}

.why-item {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
}

.why-item h4 {
    font-size: 2rem;
    margin-bottom: 15px;
}

/* Projects Gallery */
.gallery {
    padding: var(--section-padding);
}

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

.gallery-item {
    position: relative;
    overflow: hidden;
    height: 600px;
}

.gallery-item.large {
    grid-column: span 3;
    height: 800px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(15%) contrast(1.05);
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: white;
    opacity: 0;
    transition: var(--transition);
}

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

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

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-quick-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 40px 0 60px;
}

.quick-link-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: var(--transition);
    line-height: 0; /* Reset line height for better flex centering */
}

.quick-link-item svg {
    display: block;
    flex-shrink: 0;
}

.quick-link-item span {
    display: block;
    line-height: 1;
}

.quick-link-item:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
    transform: translateY(-3px);
}

.quick-link-item svg {
    transition: var(--transition);
}

.quick-link-item:hover svg {
    stroke: var(--bg-primary);
}

form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full {
    grid-column: span 2;
}

label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    font-weight: 600;
}

input, textarea, select {
    padding: 15px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
    border-radius: 0;
}

select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238C7355' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 18px;
    padding-right: 45px;
}

[data-theme="dark"] select {
    background-color: var(--bg-primary);
}

select option {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Footer */
footer {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
}

.footer-logo {
    margin-bottom: 25px;
}



.footer-links h5, .footer-contact h5 {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    margin-bottom: 25px;
}

.footer-links ul li {
    margin-bottom: 12px;
    opacity: 0.7;
}

.footer-bottom {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-content {
        grid-template-columns: 1fr;
    }
    .about-image {
        order: -1;
    }
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gallery-item.large {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    header {
        padding: 15px 0;
    }
    .hero {
        padding-top: 120px;
        padding-bottom: 40px;
        height: auto;
        min-height: 100vh;
    }
    .hero-image {
        height: 50vh;
        margin-top: 30px;
    }
    .contact-quick-links {
        flex-direction: column;
        gap: 15px;
    }
    .nav-links {
        display: none;
    }
    .hero-text h1 {
        font-size: 3.5rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
    form {
        grid-template-columns: 1fr;
    }
    .form-group.full {
        grid-column: span 1;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .gallery-item.large {
        grid-column: span 1;
        height: 500px;
    }
    .gallery-item {
        height: 400px;
    }
    
    /* Mobile Logo Adjustment */
    .logo-img {
        height: 50px !important;
    }
    
    /* Footer Logo Fix */
    .logo-img-footer {
        height: auto !important;
        width: 200px !important;
        max-width: 100%;
    }
}
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: 60px;
    border: 1px solid var(--border);
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--text-primary);
    font-size: 30px;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--accent);
}

#modal-text h2 {
    margin-bottom: 30px;
    color: var(--accent);
}

#modal-text h3 {
    margin: 25px 0 15px;
    font-size: 1.2rem;
}

#modal-text p {
    margin-bottom: 15px;
    opacity: 0.8;
    font-size: 0.95rem;
}