/* MAKENAI Arquitectura - Japandi Design System & Styling */

/* ---------------------------------- */
/* 1. VARIABLES & DESIGN TOKENS       */
/* ---------------------------------- */
:root {
    /* Brand Colors */
    --brand-orange: #FF5A06;
    --brand-orange-hover: #e04b00;
    --brand-dark: #2e2e2e;
    --brand-dark-muted: #1e1e1e;
    --brand-gray: #595959;
    --brand-light: #e6e6e6;
    --brand-white: #ffffff;
    
    /* Japandi Neutral Palettes */
    --bg-warm-neutral: #f4f3ef; /* Warm cream/beige background */
    --bg-card: #ffffff;
    --border-color: #dcdad4;
    --text-primary: #2e2e2e;
    --text-secondary: #595959;
    --text-light: #f4f3ef;
    
    /* Layout Constants */
    --container-max-width: 1200px;
    --header-height: 80px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions & Shadows */
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.04);
    --shadow-medium: 0 15px 40px rgba(0, 0, 0, 0.08);
    --shadow-brand: 0 10px 25px rgba(255, 90, 6, 0.15);
}

/* ---------------------------------- */
/* 2. BASE STYLES & RESET             */
/* ---------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-warm-neutral);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    line-height: 1.25;
    color: var(--brand-dark);
}

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

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

ul {
    list-style: none;
}

input, textarea, select, button {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-warm-neutral);
}
::-webkit-scrollbar-thumb {
    background: var(--brand-gray);
    border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--brand-orange);
}

/* ---------------------------------- */
/* 3. REUSABLE COMPONENTS & UTILITIES */
/* ---------------------------------- */
.container {
    width: 90%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 15px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
        gap: 60px;
    }
}

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

.text-light {
    color: var(--brand-white) !important;
}

.text-muted {
    color: var(--brand-light) !important;
}

.max-w-600 {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Tag / Badge */
.section-tag {
    display: inline-block;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--brand-orange);
    margin-bottom: 12px;
}

/* Titles */
.section-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.8rem;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    letter-spacing: 0.02em;
}

.btn-primary {
    background-color: var(--brand-orange);
    color: var(--brand-white);
    box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
    background-color: var(--brand-orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(255, 90, 6, 0.25);
}

.btn-secondary {
    background-color: transparent;
    color: var(--brand-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background-color: var(--brand-white);
    color: var(--brand-dark);
    border-color: var(--brand-white);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* ---------------------------------- */
/* 4. HEADER NAVIGATION               */
/* ---------------------------------- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: var(--transition-smooth);
    background-color: transparent;
    border-bottom: 1px solid transparent;
}

.main-header.scrolled {
    background-color: rgba(244, 243, 239, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    height: 70px;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-accent {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--brand-dark);
}

.logo-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--brand-orange);
    text-transform: uppercase;
    margin-top: 2px;
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu a {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
    position: relative;
    padding: 8px 0;
}

.nav-menu a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--brand-orange);
    transition: var(--transition-smooth);
}

.nav-menu a.active::after,
.nav-menu a:not(.btn-nav):hover::after {
    width: 100%;
}

.btn-nav {
    background-color: var(--brand-dark);
    color: var(--brand-white) !important;
    padding: 10px 22px !important;
    border-radius: var(--border-radius-sm);
}

.btn-nav:hover {
    background-color: var(--brand-orange);
    transform: translateY(-2px);
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--brand-dark);
    cursor: pointer;
    transition: var(--transition-smooth);
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-warm-neutral);
        padding: 40px;
        transition: var(--transition-smooth);
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
    }
    
    .nav-menu a {
        font-size: 1.2rem;
    }
    
    .btn-nav {
        display: inline-block;
        width: 100%;
        text-align: center;
    }
}

/* ---------------------------------- */
/* 5. HERO SECTION                    */
/* ---------------------------------- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    background-image: url('assets/images/hero_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--brand-white);
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.92) 0%, rgba(46, 46, 46, 0.6) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    width: 100%;
}

@media (min-width: 992px) {
    .hero-container {
        grid-template-columns: 1.2fr 0.8fr;
        align-items: center;
    }
}

.hero-content {
    max-width: 650px;
}

.hero-subtitle {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--brand-orange);
    display: block;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--brand-white);
    margin-bottom: 25px;
    letter-spacing: -0.02em;
    line-height: 1.15;
    animation: fadeInUp 1s ease;
}

.hero-title span {
    position: relative;
    display: inline-block;
}

.hero-title span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 6px;
    background-color: var(--brand-orange);
    z-index: -1;
    opacity: 0.8;
}

.hero-description {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--brand-light);
    margin-bottom: 40px;
    line-height: 1.7;
    animation: fadeInUp 1.2s ease;
}

.hero-actions {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1.4s ease;
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
}

.hero-badge {
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 320px;
    justify-self: end;
    animation: fadeInRight 1s ease;
}

@media (max-width: 991px) {
    .hero-badge {
        justify-self: start;
        margin-top: 20px;
    }
}

.badge-icon {
    font-size: 2rem;
    color: var(--brand-orange);
}

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

.badge-text strong {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--brand-white);
}

.badge-text span {
    font-size: 0.8rem;
    color: var(--brand-light);
    margin-top: 2px;
}

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

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

/* ---------------------------------- */
/* 6. PHILOSOPHY SECTION              */
/* ---------------------------------- */
.philosophy {
    padding: 100px 0;
    background-color: var(--bg-warm-neutral);
    border-bottom: 1px solid var(--border-color);
}

.philosophy-image-container {
    position: relative;
    padding-right: 30px;
    padding-bottom: 30px;
}

.philosophy-image-container .image-wrapper {
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
}

.philosophy-image-container img {
    transition: var(--transition-smooth);
}

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

.philosophy-card {
    position: absolute;
    bottom: 0;
    right: 0;
    background-color: var(--brand-dark);
    color: var(--brand-white);
    padding: 30px;
    max-width: 260px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-medium);
    border-left: 4px solid var(--brand-orange);
}

.philosophy-card h3 {
    color: var(--brand-white);
    font-size: 1.25rem;
    margin: 10px 0;
}

.philosophy-card p {
    font-size: 0.85rem;
    color: var(--brand-light);
    font-weight: 300;
}

.card-num {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: rgba(255, 90, 6, 0.4);
}

.philosophy-features {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 90, 6, 0.08);
    color: var(--brand-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.3rem;
}

.feature-text h3 {
    font-size: 1.15rem;
    margin-bottom: 5px;
}

.feature-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
}

/* ---------------------------------- */
/* 7. SERVICES SECTION                */
/* ---------------------------------- */
.services {
    padding: 100px 0;
    background-color: var(--brand-dark);
    color: var(--brand-white);
}

.services .section-title {
    color: var(--brand-white);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 60px;
}

@media (min-width: 576px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

.service-card {
    background-color: var(--brand-dark-muted);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 90, 6, 0.3);
    box-shadow: var(--shadow-brand);
}

.service-icon {
    font-size: 2.2rem;
    color: var(--brand-orange);
    margin-bottom: 25px;
    transition: var(--transition-smooth);
}

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

.service-card h3 {
    color: var(--brand-white);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    color: var(--brand-light);
    font-size: 0.9rem;
    font-weight: 300;
    margin-bottom: 25px;
    flex-grow: 1;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.service-list li {
    font-size: 0.8rem;
    color: var(--brand-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-list li i {
    color: var(--brand-orange);
    font-size: 0.75rem;
}

.services-footer {
    margin-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 40px;
}

.services-footer p {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--brand-light);
    margin-bottom: 20px;
}

/* ---------------------------------- */
/* 8. PORTFOLIO GALLERY               */
/* ---------------------------------- */
.portfolio {
    padding: 100px 0;
    background-color: var(--bg-warm-neutral);
}

.portfolio-header {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 50px;
    gap: 20px;
}

@media (min-width: 768px) {
    .portfolio-header {
        flex-direction: row;
        align-items: flex-end;
    }
}

.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    padding: 8px 20px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: var(--border-radius-sm);
    color: var(--brand-dark);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--brand-dark);
    color: var(--brand-white);
    border-color: var(--brand-dark);
}

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

@media (min-width: 576px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.portfolio-item {
    display: none;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio-item.show {
    display: block;
    opacity: 1;
    transform: scale(1);
}

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

.portfolio-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(46, 46, 46, 0.95) 0%, rgba(46, 46, 46, 0.4) 60%, rgba(46, 46, 46, 0) 100%);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 2;
}

.portfolio-img-box:hover img {
    transform: scale(1.08);
}

.portfolio-img-box:hover .portfolio-overlay {
    opacity: 1;
}

.project-num {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-orange);
    margin-bottom: 5px;
}

.portfolio-overlay h3 {
    color: var(--brand-white);
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.portfolio-overlay p {
    color: var(--brand-light);
    font-size: 0.85rem;
    font-weight: 300;
    margin-bottom: 15px;
    line-height: 1.4;
}

.project-badge {
    align-self: flex-start;
    background-color: var(--brand-orange);
    color: var(--brand-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------------------------------- */
/* 9. PROCESS SECTION                 */
/* ---------------------------------- */
.process {
    padding: 100px 0;
    background-color: var(--brand-white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 60px;
    position: relative;
}

@media (min-width: 576px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step-card {
    background-color: var(--bg-warm-neutral);
    padding: 40px 30px;
    border-radius: var(--border-radius-md);
    position: relative;
    border-top: 3px solid var(--brand-gray);
    transition: var(--transition-smooth);
}

.step-card:hover {
    border-top-color: var(--brand-orange);
    transform: translateY(-5px);
    box-shadow: var(--shadow-soft);
}

.step-number {
    position: absolute;
    top: -25px;
    right: 30px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: rgba(255, 90, 6, 0.15);
    line-height: 1;
}

.step-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* ---------------------------------- */
/* 10. CONTACT SECTION                */
/* ---------------------------------- */
.contact {
    padding: 100px 0;
    background-color: var(--bg-warm-neutral);
}

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

.contact-details {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-detail-item {
    display: flex;
    gap: 20px;
}

.icon-box {
    width: 45px;
    height: 45px;
    background-color: var(--brand-dark);
    color: var(--brand-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.contact-detail-item:hover .icon-box {
    background-color: var(--brand-orange);
}

.contact-detail-item h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.contact-detail-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
}

.contact-detail-item a {
    color: inherit;
}

.contact-detail-item a:hover {
    color: var(--brand-orange);
}

.social-links {
    margin-top: 50px;
}

.social-links h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand-gray);
    margin-bottom: 20px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 45px;
    height: 45px;
    border: 1px solid var(--border-color);
    background-color: var(--brand-white);
    color: var(--brand-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    font-size: 1.1rem;
}

.social-icons a:hover {
    background-color: var(--brand-orange);
    color: var(--brand-white);
    border-color: var(--brand-orange);
    transform: translateY(-3px);
}

/* Form Styling */
.contact-form-box {
    background-color: var(--brand-white);
    padding: 40px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
}

.contact-form-box h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    font-weight: 600;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-warm-neutral);
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--brand-orange);
    background-color: var(--brand-white);
    box-shadow: 0 0 0 3px rgba(255, 90, 6, 0.1);
}

.form-message {
    font-size: 0.9rem;
    margin-top: 10px;
    display: none;
}

.form-message.success {
    display: block;
    color: #2e7d32;
    background-color: #e8f5e9;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid #2e7d32;
}

.form-message.error {
    display: block;
    color: #c62828;
    background-color: #ffebee;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid #c62828;
}

/* ---------------------------------- */
/* 11. LIGHTBOX FOR PROJECTS          */
/* ---------------------------------- */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 30, 30, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.lightbox.open {
    display: flex;
    opacity: 1;
}

.lightbox-content-box {
    background-color: var(--bg-warm-neutral);
    max-width: 900px;
    width: 90%;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-medium);
    animation: zoomIn 0.4s ease;
}

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

.lightbox-img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

.lightbox-caption {
    padding: 30px;
    background-color: var(--brand-white);
    border-top: 1px solid var(--border-color);
}

.lightbox-caption h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.lightbox-caption p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
    margin-bottom: 15px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--brand-white);
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 2005;
    transition: var(--transition-smooth);
}

.lightbox-close:hover {
    color: var(--brand-orange);
}

/* ---------------------------------- */
/* 12. FOOTER                         */
/* ---------------------------------- */
.main-footer {
    background-color: var(--brand-dark-muted);
    color: var(--brand-light);
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        text-align: left;
    }
}

.footer-bottom p {
    font-size: 0.85rem;
    font-weight: 300;
}