/* ============================================
   ALTURA PH - Landing Page Styles
   ============================================ */

:root {
    --color-primary: #1a3a5c;
    --color-primary-dark: #0f2340;
    --color-primary-light: #2a5a8c;
    --color-accent: #c9a227;
    --color-accent-light: #e0bc4a;
    --color-accent-dark: #a8861f;
    --color-white: #ffffff;
    --color-black: #0a0a0a;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #adb5bd;
    --color-gray-500: #6c757d;
    --color-gray-600: #495057;
    --color-gray-700: #343a40;
    --color-gray-800: #212529;
    --font-primary: 'Montserrat', sans-serif;
    --font-display: 'Playfair Display', serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-primary);
    color: var(--color-gray-700);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition-normal); }
ul { list-style: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.accent { color: var(--color-accent); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 32px; font-family: var(--font-primary); font-size: 0.95rem;
    font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase;
    border: none; border-radius: var(--radius-md); cursor: pointer;
    transition: var(--transition-normal); position: relative; overflow: hidden;
}
.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white); box-shadow: 0 4px 15px rgba(201, 162, 39, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(201, 162, 39, 0.45); }
.btn-outline {
    background: transparent; color: var(--color-white); border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { background: var(--color-white); color: var(--color-primary); border-color: var(--color-white); }
.btn-property {
    background: var(--color-primary); color: var(--color-white); width: 100%;
    padding: 16px 24px; font-size: 0.9rem;
}
.btn-property:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-property svg { width: 18px; height: 18px; transition: var(--transition-normal); }
.btn-property:hover svg { transform: translateX(4px); }
.btn-cta { background: var(--color-white); color: var(--color-primary); padding: 16px 40px; font-size: 1rem; box-shadow: var(--shadow-lg); }
.btn-cta:hover { background: var(--color-accent); color: var(--color-white); transform: translateY(-2px); }
.btn-full { width: 100%; }

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: transparent; transition: var(--transition-normal); padding: 16px 0; }
.header.scrolled { background: rgba(15, 35, 64, 0.95); backdrop-filter: blur(10px); padding: 10px 0; box-shadow: var(--shadow-md); }
.navbar { display: flex; align-items: center; justify-content: space-between; }

/* Logo */
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img { height: 100px; width: auto; transition: var(--transition-normal); filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3)); }
.header.scrolled .logo-img { height: 44px; }

.nav-menu { display: flex; gap: 32px; }
.nav-link { color: rgba(255,255,255,0.9); font-size: 0.85rem; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; position: relative; padding: 4px 0; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--color-accent); transition: var(--transition-normal); }
.nav-link:hover { color: var(--color-white); }
.nav-link:hover::after { width: 100%; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.nav-toggle span { display: block; width: 28px; height: 2px; background: var(--color-white); transition: var(--transition-normal); }

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

/* Slideshow */
.hero-slideshow { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
.hero-slideshow .slide {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center;
    opacity: 0; transition: opacity 1.2s ease-in-out;
}
.hero-slideshow .slide.active { opacity: 1; }
.hero-slideshow .slide::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(15, 35, 64, 0.88) 0%, rgba(26, 58, 92, 0.75) 50%, rgba(42, 90, 140, 0.65) 100%);
}

/* Hero overlay pattern */
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5" x="0" y="0" width="100" height="100"/></svg>');
    background-size: 60px 60px; opacity: 0.5; z-index: 1;
}

/* Hero Slideshow Controls */
.hero-slide-btn {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 48px; height: 48px; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
    border-radius: 50%; color: var(--color-white); font-size: 1.1rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center; z-index: 3;
    transition: var(--transition-normal); backdrop-filter: blur(4px);
}
.hero-slide-btn:hover { background: rgba(201, 162, 39, 0.8); border-color: var(--color-accent); }
.hero-slide-btn.prev { left: 24px; }
.hero-slide-btn.next { right: 24px; }

.hero-slide-dots {
    position: absolute; bottom: 100px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 3;
}
.hero-slide-dot {
    width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.4);
    cursor: pointer; transition: var(--transition-normal); border: none;
}
.hero-slide-dot.active { background: var(--color-accent); width: 28px; border-radius: 5px; }
.hero-slide-dot:hover { background: rgba(255,255,255,0.7); }

/* Hero Content */
.hero-content { position: relative; z-index: 2; width: 100%; padding: 140px 0 100px; }
.hero-content .container { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.hero-tag { display: inline-block; padding: 8px 20px; background: rgba(201, 162, 39, 0.2); border: 1px solid rgba(201, 162, 39, 0.35);
    border-radius: 50px; color: var(--color-accent-light); font-size: 0.8rem; font-weight: 600; letter-spacing: 2px;
    text-transform: uppercase; margin-bottom: 24px; backdrop-filter: blur(4px);
}
.hero-title { font-family: var(--font-display); font-size: 3.5rem; font-weight: 700; color: var(--color-white); line-height: 1.15; margin-bottom: 24px; }
.title-line { display: block; }
.title-line.accent { color: var(--color-accent); }
.hero-desc { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 480px; margin-bottom: 36px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; flex-direction: column; gap: 32px; padding-left: 40px; border-left: 1px solid rgba(255,255,255,0.2); }
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-number { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; color: var(--color-accent); line-height: 1; }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.7); line-height: 1.4; }
.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 2; }
.scroll-mouse { display: block; width: 26px; height: 40px; border: 2px solid rgba(255,255,255,0.4); border-radius: 13px; position: relative; }
.scroll-wheel { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; background: var(--color-accent); border-radius: 2px; animation: scrollWheel 1.5s infinite; }
@keyframes scrollWheel { 0% { opacity: 1; transform: translateX(-50%) translateY(0); } 100% { opacity: 0; transform: translateX(-50%) translateY(12px); } }

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section { padding: 100px 0; position: relative; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section-tag { display: inline-block; padding: 6px 18px; background: rgba(201, 162, 39, 0.1); border: 1px solid rgba(201, 162, 39, 0.2);
    border-radius: 50px; color: var(--color-accent-dark); font-size: 0.75rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
}
.section-title { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 16px; line-height: 1.2; }
.section-subtitle { font-size: 1.05rem; color: var(--color-gray-500); line-height: 1.6; }

/* ============================================
   ABOUT SECTION
   ============================================ */
.section-about { background: var(--color-gray-100); }
.about-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.about-card { background: var(--color-white); padding: 40px 28px; border-radius: var(--radius-lg); text-align: center;
    box-shadow: var(--shadow-sm); transition: var(--transition-normal); border: 1px solid var(--color-gray-200);
}
.about-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--color-accent); }
.about-icon { width: 64px; height: 64px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); border-radius: var(--radius-md); color: var(--color-white);
}
.about-icon svg { width: 28px; height: 28px; }
.about-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 12px; }
.about-card p { font-size: 0.9rem; color: var(--color-gray-500); line-height: 1.6; }

/* ============================================
   PROPERTIES SECTION
   ============================================ */
.section-properties { background: var(--color-white); }
.properties-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.property-card { background: var(--color-white); border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-md);
    transition: var(--transition-normal); border: 1px solid var(--color-gray-200);
}
.property-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.property-gallery { position: relative; overflow: hidden; }
.property-slider { position: relative; overflow: hidden; }
.slider-track { display: flex; transition: transform 0.5s ease; }
.slider-track img { width: 100%; height: 320px; object-fit: cover; flex-shrink: 0; }
.slider-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 40px; height: 40px;
    background: rgba(255,255,255,0.9); border: none; border-radius: 50%; cursor: pointer; font-size: 1rem;
    color: var(--color-primary); display: flex; align-items: center; justify-content: center; opacity: 0;
    transition: var(--transition-normal); z-index: 2;
}
.property-slider:hover .slider-btn { opacity: 1; }
.slider-btn:hover { background: var(--color-white); box-shadow: var(--shadow-md); }
.slider-btn.prev { left: 12px; }
.slider-btn.next { right: 12px; }
.slider-dots { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 2; }
.slider-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; transition: var(--transition-normal); border: none; }
.slider-dot.active { background: var(--color-accent); width: 24px; border-radius: 4px; }
.property-badge { position: absolute; top: 16px; right: 16px; padding: 6px 16px; background: var(--color-accent); color: var(--color-white);
    font-size: 0.75rem; font-weight: 600; letter-spacing: 1px; border-radius: 50px; z-index: 2;
}
.property-info { padding: 32px; }
.property-name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 400; color: var(--color-gray-500); margin-bottom: 8px; line-height: 1.3; }
.property-name strong { font-weight: 700; color: var(--color-primary-dark); font-size: 1.5rem; display: block; margin-top: 4px; }
.property-features { display: flex; gap: 16px; margin: 20px 0; flex-wrap: wrap; }
.feature { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--color-gray-500); font-weight: 500; }
.feature svg { width: 16px; height: 16px; color: var(--color-accent); }
.property-desc { font-size: 0.9rem; color: var(--color-gray-500); line-height: 1.7; margin-bottom: 24px; }

/* ============================================
   SERVICES SECTION
   ============================================ */
.section-services { background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--color-white) 100%); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.service-item { background: var(--color-white); padding: 40px 32px; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200); transition: var(--transition-normal); position: relative; overflow: hidden;
}
.service-item::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    transform: scaleY(0); transform-origin: top; transition: var(--transition-normal);
}
.service-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-item:hover::before { transform: scaleY(1); }
.service-number { font-family: var(--font-display); font-size: 3rem; font-weight: 700; color: rgba(201, 162, 39, 0.15); line-height: 1; margin-bottom: 16px; }
.service-item h3 { font-size: 1.15rem; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 12px; }
.service-item p { font-size: 0.9rem; color: var(--color-gray-500); line-height: 1.7; }

/* ============================================
   CTA SECTION
   ============================================ */
.section-cta { padding: 60px 0; }
.cta-box { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); border-radius: var(--radius-xl);
    padding: 60px; display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; overflow: hidden;
}
.cta-box::before { content: ''; position: absolute; top: -50%; right: -20%; width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.15) 0%, transparent 70%); border-radius: 50%;
}
.cta-content { position: relative; z-index: 1; max-width: 500px; }
.cta-content h2 { font-family: var(--font-display); font-size: 2rem; color: var(--color-white); margin-bottom: 12px; line-height: 1.3; }
.cta-content h2 span { color: var(--color-accent); }
.cta-content p { color: rgba(255,255,255,0.7); font-size: 1rem; line-height: 1.6; }
.cta-box .btn-cta { position: relative; z-index: 1; flex-shrink: 0; }

/* ============================================
   CONTACT SECTION
   ============================================ */
.section-contact { background: var(--color-gray-100); }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; align-items: flex-start; gap: 20px; padding: 24px; background: var(--color-white); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm); border: 1px solid var(--color-gray-200); transition: var(--transition-normal);
}
.contact-item:hover { transform: translateX(8px); box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.contact-icon { width: 52px; height: 52px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); border-radius: var(--radius-md); color: var(--color-white); flex-shrink: 0;
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-text h4 { font-size: 1rem; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 4px; }
.contact-text p { font-size: 0.9rem; color: var(--color-gray-500); }
.contact-form-wrapper { background: var(--color-white); padding: 40px; border-radius: var(--radius-xl); box-shadow: var(--shadow-md); border: 1px solid var(--color-gray-200); }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group input, .form-group textarea { width: 100%; padding: 14px 18px; border: 1px solid var(--color-gray-300); border-radius: var(--radius-md);
    font-family: var(--font-primary); font-size: 0.95rem; color: var(--color-gray-700); background: var(--color-gray-100); transition: var(--transition-normal);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-accent); background: var(--color-white); box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--color-gray-400); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.7); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand .logo-img { height: 60px; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3)); }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
.footer-links h4 { font-size: 1rem; font-weight: 700; color: var(--color-white); margin-bottom: 20px; letter-spacing: 1px; }
.footer-links ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: var(--transition-normal); }
.footer-links a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-credit { font-weight: 500; }

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-gray-100); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-dark); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-content .container { grid-template-columns: 1fr; gap: 40px; }
    .hero-stats { flex-direction: row; padding-left: 0; border-left: none; border-top: 1px solid rgba(255,255,255,0.2); padding-top: 32px; justify-content: space-around; }
    .hero-slide-btn { display: none; }
    .about-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu { position: fixed; top: 0; right: -100%; width: 80%; max-width: 320px; height: 100vh;
        background: var(--color-primary-dark); flex-direction: column; align-items: center; justify-content: center;
        gap: 32px; transition: var(--transition-normal); z-index: 999;
    }
    .nav-menu.active { right: 0; }
    .nav-toggle { display: flex; z-index: 1000; }
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .logo-img { height: 44px !important; }
    .header.scrolled .logo-img { height: 38px !important; }

    .hero-title { font-size: 2.2rem; }
    .hero-buttons { flex-direction: column; }
    .btn { width: 100%; }
    .section-title { font-size: 2rem; }
    .about-grid, .properties-grid, .services-grid { grid-template-columns: 1fr; }
    .property-features { justify-content: center; }
    .cta-box { flex-direction: column; text-align: center; padding: 40px 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .section { padding: 60px 0; }
    .contact-item:hover { transform: translateY(-4px); }
    .hero-slide-dots { bottom: 80px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.8rem; }
    .hero-stats { flex-direction: column; text-align: center; gap: 20px; }
    .stat-number { font-size: 2rem; }
    .section-title { font-size: 1.6rem; }
    .property-info { padding: 24px; }
    .contact-form-wrapper { padding: 24px; }
    .hero-slide-btn { display: none; }
    .hero-content { padding: 120px 0 80px; }
}