:root {
    --primary-color: #8A9A77; /* Sage green */
    --primary-hover: #768565;
    --bg-color: #F8F8F5; /* Light beige/off-white */
    --text-color: #333333;
    --text-light: #666666;
    --white: #FFFFFF;
    --border-color: #E5E5E5;
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --border-radius: 20px;
    --border-radius-sm: 10px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center { text-align: center; }
.mb-5 { margin-bottom: 3rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.w-100 { width: 100%; }

/* Typography */
h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 500;
}

.italic-serif {
    font-style: italic;
    color: var(--primary-color);
}

.section-subtitle {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-light);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}
.section-subtitle::after {
    content: '';
    height: 1px;
    width: 40px;
    background-color: var(--border-color);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(138, 154, 119, 0.3);
}

.btn-secondary {
    background-color: #9BAA88; 
    color: var(--white);
    padding: 10px 20px;
}
.btn-secondary i {
    background-color: var(--white);
    color: var(--primary-color);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}
.btn-secondary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 30px;
    font-size: 1rem;
}
.btn-large i {
    background-color: var(--white);
    color: var(--primary-color);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}


/* Header */
.header {
    background-color: rgba(248, 248, 245, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}
.logo h1 {
    font-size: 2rem;
    letter-spacing: -1px;
}
.logo span {
    font-size: 0.7rem;
    color: var(--text-light);
    line-height: 1.2;
    border-left: 1px solid var(--border-color);
    padding-left: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu ul {
    display: flex;
    gap: 30px;
}
.nav-menu a {
    font-size: 0.9rem;
    color: var(--text-color);
    transition: color 0.3s;
    font-weight: 500;
}
.nav-menu a:hover {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 100px 20px;
    border-radius: var(--border-radius);
    margin: 20px auto;
    max-width: 1280px;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%; /* Extra height for parallax */
    z-index: -1;
    transform-origin: top;
}
.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 40%, rgba(255,255,255,0.2) 100%);
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}
.hero-title .italic-serif {
    font-size: 3rem;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.6;
}

/* Stats Bar */
.stats-bar {
    display: flex;
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 20px 40px;
    margin-top: -50px;
    position: relative;
    z-index: 10;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
}
.stat-item p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.3;
}
.stat-item strong {
    color: var(--text-color);
    font-size: 1rem;
}

.icon-box {
    width: 50px;
    height: 50px;
    background-color: #F0F4EC;
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    padding: 100px 20px;
}

.features-left p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.eco-badge {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: var(--white);
    padding: 15px 20px;
    border-radius: 15px;
    display: inline-flex;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.eco-badge i {
    color: var(--primary-color);
    font-size: 1.5rem;
}
.eco-badge strong {
    display: block;
    font-size: 0.9rem;
}
.eco-badge p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-light);
}

.features-right {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feature-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}
.feature-card:hover .icon-box {
    background-color: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}
.feature-card .icon-box {
    margin-bottom: 20px;
}
.feature-card h3 {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Process */
.process {
    padding: 80px 20px;
    display: flex;
    gap: 50px;
    align-items: center;
}
.process-left {
    flex: 1;
}
.process-steps {
    flex: 2;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.02);
}
.step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 10px;
}
.step-icon {
    width: 60px;
    height: 60px;
    background-color: #F0F4EC;
    color: var(--primary-color);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 15px;
    transition: all 0.3s ease;
}
.step:hover .step-icon {
    transform: translateY(-5px);
    background-color: var(--primary-color);
    color: var(--white);
}
.step-num {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
    text-transform: uppercase;
}
.step h3 {
    font-family: var(--font-sans);
    font-size: 1rem;
    margin-bottom: 10px;
}
.step p {
    font-size: 0.8rem;
    color: var(--text-light);
}
.step-arrow {
    color: #D5D5D5;
    margin-top: 20px;
}

/* Projects / Planes */
.projects {
    padding: 80px 20px;
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}

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

.plan-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}
.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-color: var(--primary-color);
}
.plan-card.highlight {
    border: 2px solid var(--primary-color);
    transform: scale(1.03);
    z-index: 2;
    box-shadow: 0 15px 35px rgba(138, 154, 119, 0.15);
}
.plan-card.highlight:hover {
    transform: scale(1.05) translateY(-5px);
}

.plan-badge {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 8px;
    letter-spacing: 1px;
}

.plan-header {
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}
.plan-header h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}
.plan-target {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 15px;
    min-height: 40px;
}
.plan-price {
    font-size: 2rem;
    font-weight: 600;
    font-family: var(--font-serif);
    color: var(--text-color);
}
.plan-price span {
    font-size: 1rem;
    color: var(--text-light);
    font-family: var(--font-sans);
    font-weight: 400;
}
.plan-header .area-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    background-color: #F0F4EC;
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-body {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.plan-body ul {
    margin-bottom: 20px;
    flex-grow: 1;
}
.plan-body li {
    font-size: 0.9rem;
    color: var(--text-color);
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.plan-body li i {
    color: var(--primary-color);
    margin-top: 3px;
    font-size: 0.8rem;
}

/* Team Section */
.team {
    padding: 80px 20px;
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}
.team-member {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    transition: transform 0.3s ease;
}
.team-member:hover {
    transform: translateY(-5px);
}
.team-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    font-family: var(--font-sans);
}
.team-role {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.team-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    position: relative;
    padding: 80px 60px;
    border-radius: var(--border-radius);
    margin: 50px auto;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}
.cta-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.cta-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.7) 60%, rgba(0,0,0,0.4) 100%);
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 450px;
}
.cta-content p {
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.cta-contacts {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.contact-card {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: rgba(255,255,255,0.1);
    padding: 15px 25px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    transition: background-color 0.3s;
}
.contact-card:hover {
    background-color: rgba(255,255,255,0.2);
}
.contact-card .icon-box {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: transparent;
    border: 1px solid rgba(255,255,255,0.5);
    color: white;
}
.contact-card p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
    margin: 0;
}

/* Footer */
.footer {
    display: flex;
    justify-content: space-between;
    padding: 60px 20px;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}
.footer-logo h2 {
    font-size: 1.8rem;
    letter-spacing: -1px;
}
.footer-logo span {
    font-size: 0.8rem;
    color: var(--text-light);
    display: block;
    margin-top: 5px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.footer-links a {
    font-size: 0.95rem;
    color: var(--text-light);
    transition: color 0.3s;
}
.footer-links a:hover {
    color: var(--primary-color);
}

/* --- SCROLL ANIMATIONS (Intersection Observer classes) --- */

.scroll-animate {
    opacity: 0;
    will-change: transform, opacity;
}

/* Fade Up */
.fade-up {
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Fade In */
.fade-in {
    transition: opacity 1s ease-out;
}
.fade-in.in-view {
    opacity: 1;
}

/* Slide In Left */
.slide-in-left {
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.slide-in-left.in-view {
    opacity: 1;
    transform: translateX(0);
}

/* Slide In Right */
.slide-in-right {
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.slide-in-right.in-view {
    opacity: 1;
    transform: translateX(0);
}

/* Slide In Bottom */
.slide-in-bottom {
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.slide-in-bottom.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }


/* Responsive */
@media (max-width: 1024px) {
    .features, .process, .cta {
        flex-direction: column;
        grid-template-columns: 1fr;
    }
    .stats-bar {
        flex-wrap: wrap;
    }
    .project-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    .plan-card.highlight {
        transform: none;
    }
    .plan-card.highlight:hover {
        transform: translateY(-5px);
    }
    .team-grid {
        grid-template-columns: 1fr;
    }
    .footer {
        flex-wrap: wrap;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu, .header-actions .btn {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-title .italic-serif {
        font-size: 2rem;
    }
    .process-steps {
        flex-direction: column;
        gap: 30px;
    }
    .step-arrow {
        transform: rotate(90deg);
        margin: 0 auto;
    }
    .cta {
        padding: 40px 20px;
    }
}

/* Interactive Split Viewer */
.interactive-viewer {
    display: flex;
    flex-direction: column;
    max-width: 1400px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    background: #0a0a0a;
}
@media (min-width: 992px) {
    .interactive-viewer { flex-direction: row; height: 650px; }
}

.viewer-media {
    flex: 1;
    position: relative;
    background: #111;
    min-height: 400px;
}
@media (min-width: 992px) {
    .viewer-media { width: 70%; }
}

.carousel-track { position: relative; height: 100%; width: 100%; }
.carousel-slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; visibility: hidden; transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s; }
.carousel-slide.active { opacity: 1; visibility: visible; z-index: 5; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; }

.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.1); backdrop-filter: blur(5px); border: 1px solid rgba(255,255,255,0.2); width: 45px; height: 45px; border-radius: 50%; cursor: pointer; font-size: 1.1rem; color: #fff; transition: all 0.3s; z-index: 20; display: flex; align-items: center; justify-content: center; }
.carousel-btn:hover { background: var(--primary-color); border-color: var(--primary-color); transform: translateY(-50%) scale(1.1); }
.carousel-btn.prev { left: 15px; }
.carousel-btn.next { right: 15px; }

.carousel-indicators { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,0.6); backdrop-filter: blur(5px); padding: 8px 15px; border-radius: 20px; z-index: 20; display: flex; gap: 8px; border: 1px solid rgba(255,255,255,0.1); }
.carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.3); cursor: pointer; border: none; padding: 0; transition: all 0.3s; }
.carousel-dot.active { background: #fff; transform: scale(1.5); box-shadow: 0 0 10px rgba(255,255,255,0.5); }

/* Dynamic Info Panel */
.viewer-info {
    flex: 1;
    background: #fdfdfd;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 1px solid #eee;
    overflow-y: auto;
}
@media (min-width: 992px) {
    .viewer-info { width: 30%; max-width: 400px; }
}

.info-header { margin-bottom: 25px; }
.info-header h4 { margin: 0 0 10px 0; font-size: 1.4rem; color: var(--dark); font-family: var(--font-sans); }
.info-header p { margin: 0; color: #666; font-size: 0.95rem; line-height: 1.5; }

.normative-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 25px; }
.normative-card { background: #f5f7f4; border: 1px solid #e2e8df; border-radius: 8px; padding: 15px; display: flex; align-items: flex-start; gap: 12px; transition: transform 0.3s ease; }
.normative-card:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
.normative-card i { color: var(--primary-color); font-size: 1.2rem; margin-top: 2px; }
.normative-text h6 { margin: 0 0 3px 0; font-size: 0.85rem; color: #777; text-transform: uppercase; letter-spacing: 0.5px; }
.normative-text p { margin: 0; font-size: 0.95rem; font-weight: 600; color: var(--dark); }

.info-bullet { background: #fff; border-left: 4px solid var(--primary-color); padding: 15px; font-size: 0.9rem; color: #555; font-style: italic; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }