/* ==========================================================================
   YABSALA COMMERCIAL STYLESHEET - LIGHT MODERN DESIGN
   ========================================================================== */

:root {
    /* Color Palette (Clean & Modern) */
    --bg-light: hsl(210, 25%, 98%);
    --bg-white: hsl(0, 0%, 100%);
    --primary-color: hsl(215, 85%, 45%); /* Energetic Blue */
    --primary-glow: hsla(215, 85%, 45%, 0.15);
    
    --accent-color: hsl(14, 75%, 55%); /* Warm Terracotta */
    --accent-glow: hsla(14, 75%, 55%, 0.15);
    
    --text-primary: hsl(220, 25%, 12%);
    --text-secondary: hsl(220, 12%, 40%);
    --text-muted: hsl(220, 10%, 60%);
    
    --border-color: hsl(210, 15%, 90%);
    
    /* Typography */
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    /* Layout */
    --header-height: 80px;
    --max-width: 1140px;
}

/* Reset & Base Rules */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 30px;
}

.container-small {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.highlight {
    color: var(--primary-color);
}

/* Header & Nav */
.main-header {
    height: var(--header-height);
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.header-container {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.logo-accent {
    color: var(--primary-color);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.nav-btn {
    font-size: 13px;
    font-weight: 600;
    color: var(--bg-white);
    background-color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 6px;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.nav-btn:hover {
    background-color: hsl(215, 85%, 38%);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 110;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: var(--bg-white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
    z-index: 90;
    animation: pulseFloat 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #128c7e;
    box-shadow: 0 10px 28px rgba(37, 211, 102, 0.4);
}

@keyframes pulseFloat {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Hero Section */
.hero-section {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-tagline {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-color);
    display: inline-block;
    margin-bottom: 15px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-primary {
    font-size: 14px;
    font-weight: 600;
    color: var(--bg-white);
    background-color: var(--primary-color);
    padding: 14px 28px;
    border-radius: 6px;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.cta-primary:hover {
    background-color: hsl(215, 85%, 38%);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

.cta-secondary {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    background-color: var(--bg-white);
    padding: 14px 28px;
    border-radius: 6px;
}

.cta-secondary:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-decor-1 {
    position: absolute;
    width: 250px;
    height: 250px;
    background-color: var(--primary-glow);
    border-radius: 50%;
    top: -20px;
    right: -20px;
    z-index: 0;
}

.visual-decor-2 {
    position: absolute;
    width: 200px;
    height: 200px;
    background-color: var(--accent-glow);
    border-radius: 50%;
    bottom: -20px;
    left: -20px;
    z-index: 0;
}

.visual-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.mockup-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.mockup-card.secondary {
    width: 100%;
}

.card-tag {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary-color);
    background-color: var(--primary-glow);
    padding: 4px 10px;
    border-radius: 30px;
    display: inline-block;
    margin-bottom: 12px;
}

.card-tag.digital {
    color: var(--accent-color);
    background-color: var(--accent-glow);
}

.mockup-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    margin-bottom: 15px;
}

.mockup-card p {
    font-size: 13px;
    color: var(--text-secondary);
}

.stats-bar {
    display: flex;
    gap: 30px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat .num {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat .lbl {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Sections Common */
section {
    padding: 100px 0;
}

.section-tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary-color);
    display: inline-block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.section-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 15px auto 0 auto;
}

/* Conciergerie Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Calculator CSS */
.calculator-container {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 50px;
    max-width: 750px;
    margin: 80px auto 0 auto;
    box-shadow: 0 15px 40px rgba(0,0,0,0.03);
}

.calculator-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.calculator-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

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

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

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

.form-group label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.form-group select, .form-group input, .form-group textarea {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group select:focus, .form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
}

.calc-btn {
    background-color: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: 6px;
    padding: 14px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px var(--primary-glow);
    transition: all 0.3s ease;
}

.calc-btn:hover {
    background-color: hsl(215, 85%, 38%);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

/* Removed old calculator result styles */

/* Digital Section */
.digital-section {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.digital-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.digital-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.digital-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.digital-icon {
    font-size: 36px;
    margin-bottom: 20px;
}

.digital-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    margin-bottom: 15px;
}

.digital-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Contact Section */
.contact-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 50px 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.contact-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

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

.submit-btn {
    background-color: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: 6px;
    padding: 14px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px var(--primary-glow);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.submit-btn:hover {
    background-color: hsl(215, 85%, 38%);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

.form-response {
    margin-top: 20px;
    font-size: 13px;
    min-height: 20px;
}

.form-response.success {
    color: hsl(120, 50%, 40%);
}

.form-response.error {
    color: hsl(0, 70%, 50%);
}

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

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    font-size: 12px;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.footer-links .sep {
    color: var(--text-muted);
}

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

/* Fade in Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 990px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 44px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }

    .features-grid, .digital-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 40px;
        gap: 24px;
        border-top: 1px solid var(--border-color);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 105;
    }
    
    .main-nav.active {
        transform: translateX(0);
    }
    
    .nav-btn {
        width: 100%;
        text-align: center;
    }

    .calculator-container {
        padding: 30px 20px;
    }

    .calc-grid {
        grid-template-columns: 1fr;
    }
    
    /* Toggle animations */
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}