/* 
 * DECOM IRC - Landing Page Custom Styles
 * Traditional, Clean, and Human styling (Light Mode).
 * No sci-fi dark modes or neon glows. Warm, professional, and practical.
 */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700;850&display=swap');

:root {
    /* Traditional Color System */
    --color-bg-light: #ffffff;      /* Pure white */
    --color-bg-alt: #f8fafc;        /* Soft slate/grey for sections */
    --color-border: #e2e8f0;        /* Subtle divider grey */
    
    --color-navy: #d97706;          /* Construction Amber/Gold from Logo */
    --color-navy-dark: #1e293b;     /* Slate/Charcoal from Logo */
    
    --color-gold: #d97706;          /* Solid Construction Gold/Amber (Highly visible) */
    --color-gold-hover: #b45309;    /* Darker Amber */
    --color-gold-light: #fef3c7;    /* Light Amber background for badges */
    
    /* Service Identity Solid Colors (Flat & Professional) */
    --color-gas: #dc2626;           /* Solid Red */
    --color-light: #d97706;         /* Solid Amber */
    --color-plumbing: #0891b2;      /* Solid Cyan/Teal */
    --color-ac: #2563eb;            /* Solid Blue */
    --color-build: #92400e;         /* Solid Brown */
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Base reset */
html {
    scroll-behavior: smooth;
    font-family: var(--font-body);
    background-color: var(--color-bg-light);
    color: #334155; /* Neutral Dark slate */
}

body {
    background-color: var(--color-bg-light);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-navy-dark);
}

/* Smooth custom selection */
::selection {
    background-color: var(--color-gold-light);
    color: var(--color-navy-dark);
}

/* Traditional Clean Navbar */
.clean-nav {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Clean Panels */
.clean-panel {
    background: #ffffff;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

/* Gold Text Gradient - Less dramatic, elegant */
.text-navy-blue {
    color: var(--color-navy);
}

.text-gold-accent {
    color: var(--color-gold);
}

/* Service Card (Flat, Professional with fine borders) */
.service-card {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    background: #ffffff;
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

/* Flat border highlighting on hover instead of neon glows */
.card-gas:hover {
    border-color: var(--color-gas);
}
.card-light:hover {
    border-color: var(--color-light);
}
.card-plumbing:hover {
    border-color: var(--color-plumbing);
}
.card-ac:hover {
    border-color: var(--color-ac);
}
.card-build:hover {
    border-color: var(--color-build);
}

/* Hero Background Pattern - Clean & White */
.hero-bg {
    position: relative;
    background-color: var(--color-bg-alt);
    background-image: 
        radial-gradient(at 0% 0%, rgba(217, 119, 6, 0.03) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(30, 41, 59, 0.03) 0px, transparent 50%);
}

.hero-grid {
    background-size: 30px 30px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0.015) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(0, 0, 0, 0.015) 1px, transparent 1px);
    mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, #000 80%, transparent 100%);
}

/* Pulse Animations (WhatsApp) */
@keyframes pulse-ring {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1.03); box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.whatsapp-pulse {
    animation: pulse-ring 2.5s infinite ease-in-out;
}

/* Traditional Form Inputs */
.form-input {
    background: #ffffff;
    border: 1.5px solid var(--color-border);
    color: var(--color-navy-dark);
    transition: all 0.2s ease-in-out;
}

.form-input:focus {
    border-color: var(--color-navy);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
    outline: none;
}

/* Interactive Filter Buttons */
.filter-btn {
    transition: all 0.2s ease;
    background: #ffffff;
    color: #64748b;
    border: 1px solid var(--color-border);
}
.filter-btn:hover {
    border-color: var(--color-navy);
    color: var(--color-navy);
}
.filter-btn.active {
    background-color: var(--color-navy);
    border-color: var(--color-navy);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(217, 119, 6, 0.15);
}

/* Custom Notification Toast */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 100;
    pointer-events: none;
}

.toast {
    background: #ffffff;
    border: 1px solid var(--color-border);
    color: var(--color-navy-dark);
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 12px;
    pointer-events: auto;
    transform: translateY(-20px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    border-left: 4px solid #10b981;
}

.toast-error {
    border-left: 4px solid #ef4444;
}

.toast-warning {
    border-left: 4px solid #f59e0b;
}

/* Project Cards */
.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    background: #ffffff;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.5) 70%, transparent 100%);
    opacity: 0;
    transition: all 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-card img {
    transition: transform 0.4s ease;
}

.project-card:hover img {
    transform: scale(1.03);
}

/* Navigation Links */
.nav-link {
    position: relative;
    color: #475569;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-navy);
    transition: width 0.25s ease;
}

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

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