/*
═══════════════════════════════════════════════════════════════
  HABITAT 180° — Design System PRO
  Paleta: Azul Cielo + Verde Corporativo + Azul Profundo
  Nivel: Airbnb Luxe / Casai / Plum Guide
═══════════════════════════════════════════════════════════════
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,700;0,800;1,700&display=swap');
@import url('https://cdn.jsdelivr.net/npm/remixicon@4.5.0/fonts/remixicon.css');

/* ═══ TOKENS ═══ */
:root {
    --sky: #7dd3fc;
    --sky-light: #bae6fd;
    --sky-pale: #e0f2fe;
    --primary: #0ea5e9;
    --primary-hover: #38bdf8;
    --deep: #0369a1;
    --deep-dark: #075985;
    --navy: #0c4a6e;
    --green: #059669;
    --green-light: #10b981;
    --mint: #34d399;
    --mint-pale: #d1fae5;

    --bg: #fafeff;
    --bg-alt: #f0f9ff;
    --bg-card: #ffffff;
    --surface: #f1f5f9;
    --text: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    --border: rgba(14, 165, 233, 0.1);
    --border-solid: #e2e8f0;

    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow: 0 8px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.1);
    --shadow-xl: 0 32px 80px rgba(0,0,0,0.12);
    --shadow-blue: 0 8px 30px rgba(14,165,233,0.2);
    --shadow-green: 0 8px 30px rgba(5,150,105,0.15);

    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ═══ RESET ═══ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg); color: var(--text);
    line-height: 1.7; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* ═══ TYPOGRAPHY ═══ */
.font-display { font-family: 'Playfair Display', Georgia, serif; }

h1, h2, h3, h4, h5 { line-height: 1.2; font-weight: 800; }
h1 { font-size: clamp(2.5rem, 5vw, 4.2rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--green) 50%, var(--mint) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-text-sky {
    background: linear-gradient(135deg, var(--deep) 0%, var(--primary) 50%, var(--sky) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-text-shimmer {
    background: linear-gradient(90deg, var(--deep), var(--primary), var(--green), var(--primary), var(--deep));
    background-size: 300% 100%;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s ease-in-out infinite;
}

/* ═══ PROFESSIONAL ICONS ═══ */
.ri { font-size: 1.2em; vertical-align: middle; }
.icon-grad {
    background: linear-gradient(135deg, var(--primary), var(--green));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.icon-grad-sky {
    background: linear-gradient(135deg, var(--deep), var(--sky));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.icon-grad-lg {
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--primary), var(--green));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.icon-grad-xl {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary), var(--green));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ═══ LAYOUT ═══ */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 960px; margin: 0 auto; padding: 0 24px; }
.container-lg { max-width: 1440px; margin: 0 auto; padding: 0 24px; }

.section { padding: 100px 0; }
.section-alt { padding: 100px 0; background: var(--bg-alt); }

/* ═══ SECTION HEADERS ═══ */
.section-header { text-align: center; max-width: 700px; margin: 0 auto 64px; }
.section-tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 20px; border-radius: var(--radius-full);
    background: linear-gradient(135deg, rgba(14,165,233,0.08), rgba(5,150,105,0.06));
    border: 1px solid rgba(14,165,233,0.15);
    color: var(--deep); font-size: 0.78rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 20px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--text-muted); font-size: 1.1rem; line-height: 1.8; }

/* ═══ BUTTONS ═══ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 14px 32px; border-radius: var(--radius-sm); font-weight: 600;
    font-size: 0.95rem; cursor: pointer; border: none;
    transition: var(--transition); position: relative; overflow: hidden;
}
.btn::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    opacity: 0; transition: opacity 0.3s;
}
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.97); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--deep));
    color: white; box-shadow: var(--shadow-blue);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(14,165,233,0.3); }

.btn-green {
    background: linear-gradient(135deg, var(--green), var(--green-light));
    color: white; box-shadow: var(--shadow-green);
}
.btn-green:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(5,150,105,0.25); }

.btn-outline {
    background: white; color: var(--deep);
    border: 2px solid var(--border-solid);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
}
.btn-whatsapp:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(37,211,102,0.3); }

.btn-ghost { background: none; color: var(--primary); padding: 8px 16px; }
.btn-ghost:hover { background: var(--sky-pale); }

.btn-lg { padding: 18px 42px; font-size: 1.05rem; border-radius: var(--radius); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-full { width: 100%; }

.form-status {
  min-height: 20px;
  margin-top: 12px;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text-muted);
}

.form-status[data-status="success"] {
  color: var(--green);
  font-weight: 600;
}
.btn-icon { width: 48px; height: 48px; padding: 0; border-radius: 50%; }

/* ═══ NAVBAR — macOS Glass Dock ═══ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 12px 16px; transition: var(--transition);
    background: transparent;
}
.navbar.scrolled { padding: 8px 16px; }
.nav-container {
    max-width: 1120px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(255,255,255,0.55);
    backdrop-filter: blur(28px) saturate(2);
    -webkit-backdrop-filter: blur(28px) saturate(2);
    border: 1px solid rgba(255,255,255,0.45);
    border-radius: var(--radius-xl);
    padding: 8px 12px 8px 20px;
    box-shadow: 0 4px 30px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04),
                inset 0 1px 0 rgba(255,255,255,0.6);
    transition: var(--transition);
}
.navbar.scrolled .nav-container {
    background: rgba(255,255,255,0.78);
    box-shadow: 0 8px 40px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.04),
                inset 0 1px 0 rgba(255,255,255,0.8);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img {
    height: 36px; object-fit: contain;
    transition: transform 0.3s;
}
.nav-logo:hover img { transform: scale(1.05); }
.nav-brand {
    font-size: 1.15rem; font-weight: 800; color: var(--deep);
    letter-spacing: -0.02em;
}
.nav-brand span { color: var(--green); }

.nav-links {
    display: flex; align-items: center; gap: 4px;
    background: rgba(14,165,233,0.04);
    border-radius: var(--radius-full); padding: 4px;
}
.nav-links a {
    padding: 8px 18px; border-radius: var(--radius-full); font-size: 0.85rem;
    font-weight: 500; color: var(--text-secondary);
    transition: var(--transition); position: relative;
}
.nav-links a:hover { color: var(--primary); background: rgba(14,165,233,0.08); }
.nav-links a.active {
    color: white; font-weight: 600;
    background: linear-gradient(135deg, var(--primary), var(--deep));
    box-shadow: 0 2px 8px rgba(14,165,233,0.3);
}

.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-cta {
    display: none; border-radius: var(--radius-full) !important;
    padding: 10px 24px !important;
}

.mobile-toggle {
    display: none; background: none; border: none;
    cursor: pointer; width: 36px; height: 36px;
    flex-direction: column; justify-content: center; align-items: center; gap: 5px;
    border-radius: 50%; transition: var(--transition);
}
.mobile-toggle:hover { background: rgba(14,165,233,0.08); }
.mobile-toggle span {
    width: 20px; height: 2px; background: var(--text);
    transition: var(--transition); border-radius: 2px;
}

/* ═══ CARDS ═══ */
.card {
    background: var(--bg-card); border: 1px solid var(--border-solid);
    border-radius: var(--radius); overflow: hidden;
    transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); }

.card-glass {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(20px) saturate(1.8);
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: var(--radius);
}

.card-3d {
    perspective: 800px; transform-style: preserve-3d;
}
.card-3d:hover {
    transform: translateY(-8px) rotateX(2deg) rotateY(-2deg);
    box-shadow: var(--shadow-xl);
}

/* ═══ PROPERTY CARD ═══ */
.property-card {
    background: white; border: 1px solid var(--border-solid);
    border-radius: var(--radius); overflow: hidden;
    transition: var(--transition); cursor: pointer;
}
.property-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--sky);
}
.property-img {
    height: 260px; position: relative; overflow: hidden;
    background: linear-gradient(135deg, var(--sky-pale), var(--mint-pale));
}
.property-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.property-card:hover .property-img img { transform: scale(1.08); }
.property-badge {
    position: absolute; top: 14px; left: 14px; padding: 6px 14px;
    border-radius: var(--radius-full); font-size: 0.72rem; font-weight: 700;
    background: white; color: var(--deep); box-shadow: var(--shadow-sm);
    display: flex; align-items: center; gap: 4px;
}
.property-fav {
    position: absolute; top: 14px; right: 14px; width: 36px; height: 36px;
    border-radius: 50%; background: rgba(255,255,255,0.9); border: none;
    font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-sm); cursor: pointer; transition: var(--transition);
    backdrop-filter: blur(10px);
}
.property-fav:hover { transform: scale(1.15); background: white; }
.property-body { padding: 22px; }
.property-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.property-location {
    color: var(--text-muted); font-size: 0.85rem;
    display: flex; align-items: center; gap: 5px; margin-bottom: 14px;
}
.property-features { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.property-feat {
    font-size: 0.78rem; color: var(--text-muted);
    display: flex; align-items: center; gap: 4px;
    padding: 4px 10px; background: var(--surface); border-radius: var(--radius-full);
}
.property-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 16px; border-top: 1px solid var(--border-solid);
}
.property-price { font-size: 1.15rem; font-weight: 800; color: var(--deep); }
.property-price small { font-weight: 400; color: var(--text-muted); font-size: 0.8rem; }
.property-rating {
    display: flex; align-items: center; gap: 4px;
    font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
}
.property-rating .star { color: #f59e0b; }

/* ═══ FORMS ═══ */
.form-group { margin-bottom: 20px; }
.form-label {
    display: block; font-size: 0.8rem; font-weight: 600;
    margin-bottom: 8px; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.5px;
}
.form-input, .form-select, .form-textarea {
    width: 100%; padding: 14px 18px; border-radius: var(--radius-sm);
    border: 2px solid var(--border-solid); background: white;
    color: var(--text); font-size: 0.95rem; font-family: inherit;
    transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(14,165,233,0.1);
}
.form-input::placeholder { color: var(--text-dim); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ═══ FOOTER ═══ */
.footer {
    padding: 64px 0 32px;
    background: linear-gradient(180deg, var(--bg-alt), white);
    border-top: 1px solid var(--border-solid);
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px; margin-bottom: 48px;
}
.footer-brand img { height: 32px; margin-bottom: 14px; }
.footer-brand p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; }
.footer-col h4 {
    font-size: 0.8rem; font-weight: 700; margin-bottom: 16px;
    text-transform: uppercase; letter-spacing: 1.5px; color: var(--deep);
}
.footer-col a {
    display: block; color: var(--text-muted); font-size: 0.88rem;
    padding: 5px 0; transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom {
    text-align: center; padding-top: 32px;
    border-top: 1px solid var(--border-solid);
}
.footer-bottom p { color: var(--text-dim); font-size: 0.82rem; }

/* ═══ UTILITIES ═══ */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }

/* ═══ WHATSAPP FLOAT ═══ */
.wa-float {
    position: fixed; bottom: 28px; right: 28px; z-index: 999;
    width: 60px; height: 60px; border-radius: 50%;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white; font-size: 1.7rem;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: var(--transition); cursor: pointer;
    text-decoration: none;
    animation: waPulse 2s ease-in-out infinite;
}
.wa-float:hover {
    transform: scale(1.12);
    box-shadow: 0 6px 30px rgba(37,211,102,0.5);
}
.wa-float .wa-tooltip {
    position: absolute; right: 72px; top: 50%; transform: translateY(-50%);
    background: white; color: var(--text); font-size: 0.82rem; font-weight: 600;
    padding: 10px 16px; border-radius: var(--radius-xs);
    box-shadow: var(--shadow-lg); white-space: nowrap;
    opacity: 0; pointer-events: none; transition: var(--transition);
}
.wa-float .wa-tooltip::after {
    content: ''; position: absolute; right: -6px; top: 50%; transform: translateY(-50%);
    border: 6px solid transparent; border-left-color: white;
}
.wa-float:hover .wa-tooltip { opacity: 1; }
@keyframes waPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 4px 20px rgba(37,211,102,0.4), 0 0 0 12px rgba(37,211,102,0.1); }
}

/* ═══ RESPONSIVE ═══ */
@media (min-width: 768px) {
    .nav-cta { display: inline-flex; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-toggle { display: flex; }
    .section { padding: 64px 0; }
    .section-alt { padding: 64px 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .container { padding: 0 16px; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
}