/*
============================================
  VENDPRO - Theme System
  Premium VTU Script by OpeTech
  
  This file controls ALL colors, fonts,
  and base styles for the entire website.
  Light Mode + Dark Mode
============================================
*/

/* ==========================================
   GOOGLE FONTS IMPORT
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap');

/* ==========================================
   ROOT VARIABLES - LIGHT MODE (Default)
   ========================================== */
:root {
    /* --- Primary Gradient Colors --- */
    --primary-start: #1E3A8A;
    --primary-end: #7C3AED;
    --primary: #4361EE;
    --primary-hover: #3B51D3;
    --primary-light: rgba(67, 97, 238, 0.1);
    --primary-gradient: linear-gradient(135deg, #1E3A8A, #7C3AED);
    --primary-gradient-hover: linear-gradient(135deg, #1a3278, #6d2fd4);

    /* --- Accent Colors --- */
    --accent: #F59E0B;
    --accent-hover: #D97706;
    --accent-light: rgba(245, 158, 11, 0.1);

    /* --- Status Colors --- */
    --success: #10B981;
    --success-light: rgba(16, 185, 129, 0.1);
    --danger: #F43F5E;
    --danger-light: rgba(244, 63, 94, 0.1);
    --warning: #F59E0B;
    --warning-light: rgba(245, 158, 11, 0.1);
    --info: #0EA5E9;
    --info-light: rgba(14, 165, 233, 0.1);

    /* --- Background Colors --- */
    --bg-primary: #F8FAFC;
    --bg-secondary: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FFFFFF;
    --bg-navbar: rgba(255, 255, 255, 0.8);
    --bg-sidebar: var(--primary-gradient);
    --bg-footer: #0F172A;

    /* --- Text Colors --- */
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --text-white: #FFFFFF;
    --text-on-primary: #FFFFFF;
    --text-on-dark: #F1F5F9;

    /* --- Border Colors --- */
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --border-focus: var(--primary);

    /* --- Shadow --- */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(67, 97, 238, 0.3);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);

    /* --- Glass Effect --- */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

    /* --- Radius --- */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* --- Font Family --- */
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    --font-numbers: 'DM Sans', sans-serif;

    /* --- Font Sizes --- */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* --- Spacing --- */
    --section-padding: 100px 0;
    --container-padding: 0 20px;

    /* --- Transitions --- */
    --transition-fast: 0.15s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* --- Z-Index --- */
    --z-dropdown: 100;
    --z-navbar: 1000;
    --z-modal: 1050;
    --z-toast: 1100;
}

/* ==========================================
   DARK MODE VARIABLES
   ========================================== */
[data-theme="dark"] {
    --bg-primary: #0B1120;
    --bg-secondary: #111827;
    --bg-card: #151F38;
    --bg-card-hover: #1A2544;
    --bg-navbar: rgba(11, 17, 32, 0.85);
    --bg-footer: #080D1A;

    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    --border: #1E2D4A;
    --border-light: #1A2544;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(67, 97, 238, 0.2);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);

    --glass-bg: rgba(21, 31, 56, 0.7);
    --glass-border: rgba(30, 45, 74, 0.5);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

    --primary-light: rgba(67, 97, 238, 0.15);
    --success-light: rgba(16, 185, 129, 0.15);
    --danger-light: rgba(244, 63, 94, 0.15);
    --warning-light: rgba(245, 158, 11, 0.15);
    --info-light: rgba(14, 165, 233, 0.15);
}

/* ==========================================
   BASE RESET & STYLES
   ========================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition), color var(--transition);
    overflow-x: hidden;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 0.5em;
}

h1 { font-size: var(--text-5xl); font-weight: 800; }
h2 { font-size: var(--text-4xl); font-weight: 700; }
h3 { font-size: var(--text-2xl); font-weight: 700; }
h4 { font-size: var(--text-xl); font-weight: 600; }
h5 { font-size: var(--text-lg); font-weight: 600; }
h6 { font-size: var(--text-base); font-weight: 600; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}

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

/* --- Gradient Text --- */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Number/Money Font --- */
.font-number {
    font-family: var(--font-numbers);
}

/* ==========================================
   SELECTION COLOR
   ========================================== */
::selection {
    background-color: var(--primary);
    color: white;
}

/* ==========================================
   SCROLLBAR (Custom)
   ========================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.5;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

/* Primary Button (Gradient) */
.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.5);
    color: white;
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

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

/* White Button (For dark backgrounds) */
.btn-white {
    background: white;
    color: var(--primary-start);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--primary-start);
}

/* Gold/Accent Button */
.btn-accent {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    color: white;
}

/* Button Sizes */
.btn-lg {
    padding: 16px 36px;
    font-size: var(--text-lg);
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 8px 20px;
    font-size: var(--text-sm);
}

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

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition);
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Card on gradient background (white glass) */
.glass-card-white {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
}

/* Dark mode card glow */
[data-theme="dark"] .card-glow-blue {
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.1), var(--shadow-card);
}

[data-theme="dark"] .card-glow-green {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.1), var(--shadow-card);
}

[data-theme="dark"] .card-glow-gold {
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.1), var(--shadow-card);
}

/* ==========================================
   BADGES (Pill Shape)
   ========================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-accent {
    background: var(--accent-light);
    color: var(--accent);
}

/* ==========================================
   ICON BOXES (For service icons)
   ========================================== */
.icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    font-size: 24px;
    transition: all var(--transition);
}

.icon-box-lg {
    width: 72px;
    height: 72px;
    font-size: 32px;
    border-radius: var(--radius-lg);
}

.icon-box-primary {
    background: var(--primary-light);
    color: var(--primary);
}

.icon-box-gradient {
    background: var(--primary-gradient);
    color: white;
}

.icon-box-success {
    background: var(--success-light);
    color: var(--success);
}

.icon-box-accent {
    background: var(--accent-light);
    color: var(--accent);
}

.icon-box-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.icon-box-info {
    background: var(--info-light);
    color: var(--info);
}

/* ==========================================
   SECTION STYLES
   ========================================== */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-header .section-subtitle {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--text-secondary);
}

/* Light gradient background section */
.section-gray {
    background-color: var(--bg-secondary);
}

/* Gradient background section */
.section-gradient {
    background: var(--primary-gradient);
    color: white;
}

.section-gradient h2,
.section-gradient h3,
.section-gradient p {
    color: white;
}

.section-gradient .section-subtitle {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

/* ==========================================
   CONTAINER (Override Bootstrap slightly)
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   UTILITIES
   ========================================== */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.fw-400 { font-weight: 400; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

/* ==========================================
   FORM INPUTS
   ========================================== */
.form-control {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
    outline: none;
}

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

.form-control::placeholder {
    color: var(--text-muted);
}

/* ==========================================
   ANIMATIONS (Keyframes)
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

/* Floating animation class */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* Pulse animation class */
.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* ==========================================
   RESPONSIVE FONT SIZES
   ========================================== */
@media (max-width: 768px) {
    :root {
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
        --section-padding: 60px 0;
    }
}

@media (max-width: 480px) {
    :root {
        --text-5xl: 1.875rem;
        --text-4xl: 1.5rem;
        --text-3xl: 1.25rem;
        --section-padding: 50px 0;
    }
}