/* ==========================================================================
   THE SALES CORRIDOR — Architectural B2B Systems
   Custom Production Stylesheet
   ========================================================================== */

/* --- Google Font: Inter (Zero-bloat optimized font display) --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;600;700&display=swap');

/* --- Root Design Tokens (Matching Brand Specification) --- */
:root {
    --color-dark: #12161F;
    --color-card: #1A212D;
    --color-card-hover: #222B3A;
    --color-border: #2A3445;
    --color-border-hover: rgba(230, 184, 0, 0.4);
    --color-gold: #E6B800;
    --color-gold-hover: #FACC15;
    --color-gold-glow: rgba(230, 184, 0, 0.25);
    --color-gold-subtle: rgba(230, 184, 0, 0.08);
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --header-height: 80px;
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base Resets & Global Typography --- */
html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    background-color: var(--color-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
}

body {
    background-color: var(--color-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: #0e121a;
}
::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 5px;
    border: 2px solid #0e121a;
}
::-webkit-scrollbar-thumb:hover {
    background: #3e4b61;
}

/* Selection */
::selection {
    background-color: var(--color-gold);
    color: var(--color-dark);
}

/* --- Background Grid & Spatial Corridor Aesthetic --- */
.corridor-bg-grid {
    background-image: 
        radial-gradient(rgba(230, 184, 0, 0.08) 1px, transparent 1px),
        linear-gradient(to right, rgba(42, 52, 69, 0.15) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(42, 52, 69, 0.15) 1px, transparent 1px);
    background-size: 32px 32px, 64px 64px, 64px 64px;
    background-position: 0 0, 0 0, 0 0;
}

.corridor-glow-radial {
    background: radial-gradient(circle 500px at 50% 20%, rgba(230, 184, 0, 0.08), transparent 70%);
}

.corridor-card-gradient {
    background: linear-gradient(180deg, rgba(26, 33, 45, 0.85) 0%, rgba(18, 22, 31, 0.95) 100%);
}

/* --- Header Enhancements --- */
.site-header {
    transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.scrolled {
    background-color: rgba(18, 22, 31, 0.95);
    border-bottom-color: rgba(42, 52, 69, 0.9);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.nav-link {
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-fast);
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--color-gold) !important;
}

/* --- Mobile Menu Drawer --- */
.mobile-menu-backdrop {
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.mobile-menu-drawer {
    transition: transform var(--transition-smooth);
}

body.menu-open {
    overflow: hidden;
}

/* --- Golden Glow Accents & Buttons --- */
.btn-gold {
    background-color: var(--color-gold);
    color: var(--color-dark) !important;
    font-weight: 700;
    transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 8px 24px -6px rgba(230, 184, 0, 0.35);
}

.btn-gold,
.btn-gold span,
.btn-gold * {
    color: var(--color-dark) !important;
}

.btn-gold:hover {
    background-color: var(--color-gold-hover);
    color: var(--color-dark) !important;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px -4px rgba(230, 184, 0, 0.45);
}

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

.btn-secondary {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    color: #e2e8f0;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background-color: #242e3f;
    border-color: rgba(230, 184, 0, 0.4);
    color: #ffffff;
    transform: translateY(-2px);
}

/* --- Corridor Card Interactions --- */
.corridor-card {
    transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.corridor-card:hover {
    transform: translateY(-4px);
    border-color: rgba(230, 184, 0, 0.45);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 30px -10px rgba(230, 184, 0, 0.12);
}

.corridor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(230, 184, 0, 0.5), transparent);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.corridor-card:hover::before {
    opacity: 1;
}

/* --- 5-Zone Framework Visual Pathway --- */
.zone-pill {
    transition: all var(--transition-fast);
}

.zone-pill:hover {
    border-color: var(--color-gold);
    transform: translateX(4px);
}

.table-zone-row {
    transition: background-color var(--transition-fast), border-left-color var(--transition-fast);
    border-left: 3px solid transparent;
}

.table-zone-row:hover {
    background-color: rgba(30, 41, 59, 0.45);
    border-left-color: var(--color-gold);
}

/* --- Form Fields & Focus States --- */
.corridor-input {
    min-height: 48px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.corridor-input:focus {
    outline: none;
    border-color: var(--color-gold) !important;
    box-shadow: 0 0 0 3px rgba(230, 184, 0, 0.2) !important;
    background-color: #0f131a;
}

/* --- Modal Transitions --- */
.modal-overlay {
    transition: opacity var(--transition-smooth);
}

.modal-content {
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.modal-hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-hidden .modal-content {
    transform: scale(0.95) translateY(10px);
}

/* --- Floating Quick Contact Button --- */
.floating-whatsapp {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 40;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-whatsapp:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 12px 30px -4px rgba(37, 211, 102, 0.45);
}

/* --- Pulse Indicator Keyframes --- */
@keyframes corridorPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.05);
    }
}

.pulse-glow {
    animation: corridorPulse 2.5s infinite ease-in-out;
}

/* --- Print & Accessibility --- */
@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}