/* ==========================================
   CLEANING LANDING STYLES (styles.css)
   ========================================== */

:root {
    --primary: #0ea5e9;
    --primary-hover: #0284c7;
    --primary-light: #e0f2fe;
    --bg-body: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(14, 165, 233, 0.12);
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.08);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 70px;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-main);
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text strong {
    color: var(--primary);
    font-weight: 700;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav a:hover {
    color: var(--primary);
}

.cta-btn-header {
    background: var(--primary-light);
    color: var(--primary-hover);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* Hero Section */
.hero-section {
    padding-top: 140px;
    padding-bottom: 80px;
    background: radial-gradient(circle at 10% 20%, rgba(14, 165, 233, 0.05) 0%, transparent 40%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: start;
}

.hero-info {
    padding-top: 2rem;
}

.badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-hover);
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.features-mini {
    display: flex;
    gap: 2rem;
}

.feat-mini-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.feat-icon {
    font-size: 1.5rem;
}

/* Calculator Card */
.calc-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.calc-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.75rem;
}

.group-title {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* Rooms Selector */
.rooms-selector {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
}

.room-btn {
    background: white;
    border: 1px solid rgba(15, 23, 42, 0.08);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.room-btn:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary-hover);
}

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

/* Slider */
.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-value {
    font-size: 1rem;
    color: var(--text-muted);
}

.slider-value strong {
    font-size: 1.25rem;
    color: var(--primary-hover);
}

.range-slider {
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 5px;
    outline: none;
    -webkit-appearance: none;
    margin-top: 0.5rem;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid white;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

/* Select Input */
.select-input {
    width: 100%;
    padding: 0.85rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(15, 23, 42, 0.08);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    outline: none;
    background-color: white;
    cursor: pointer;
    transition: var(--transition);
}

.select-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Extras Grid */
.extras-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.extra-item {
    cursor: pointer;
}

.extra-item input {
    display: none;
}

.extra-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: white;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-md);
    padding: 1rem 0.75rem;
    transition: var(--transition);
}

.extra-icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.extra-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.extra-price {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.1rem;
}

.extra-item input:checked + .extra-box {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary-hover);
}

/* Price Display */
.price-display {
    background: white;
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    border: 1px solid rgba(14, 165, 233, 0.08);
}

.price-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
}

.price-amount {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Contact Details & Inputs */
.contact-inputs {
    margin-top: 1.75rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.text-input {
    width: 100%;
    padding: 0.85rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(15, 23, 42, 0.08);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.text-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Agreement Checkbox */
.form-agreement {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
}

.form-agreement input {
    margin-top: 0.25rem;
    cursor: pointer;
}

.form-agreement label {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.form-agreement a {
    color: var(--primary);
    text-decoration: underline;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    background: var(--primary);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Advantages Section */
.advantages-section {
    padding: 100px 0;
    background: white;
    border-top: 1px solid rgba(15, 23, 42, 0.03);
}

.section-head {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 5rem;
}

.section-head h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-head p {
    color: var(--text-muted);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.adv-card {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.adv-card:hover {
    background: var(--bg-body);
    transform: translateY(-5px);
}

.adv-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.adv-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.adv-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Footer */
.footer {
    background: var(--text-main);
    color: white;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.15rem;
}

.footer-brand strong {
    color: var(--primary);
}

.footer-copy {
    font-size: 0.85rem;
    color: #94a3b8;
    max-width: 500px;
}

.footer-link {
    color: #94a3b8;
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .hero-info {
        text-align: center;
    }
    .features-mini {
        justify-content: center;
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: 2.25rem;
    }
    .calc-card {
        padding: 1.5rem;
    }
    .extras-grid {
        grid-template-columns: 1fr;
    }
    .input-row {
        grid-template-columns: 1fr;
    }
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    .nav {
        display: none;
    }
}