/* ========================================
   IrrigaDesignPro - Modern Tech Design System
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
    /* Colors - Dark Tech Theme */
    --bg-deep: #06090d;
    --bg-surface: #0c1218;
    --bg-elevated: #111a24;
    --bg-card: rgba(17, 26, 36, 0.7);
    --bg-glass: rgba(17, 26, 36, 0.5);

    --border-subtle: #1e2d3d;
    --border-default: #2a3f54;
    --border-bright: #3a556f;

    --text-primary: #e8edf2;
    --text-secondary: #94a8bc;
    --text-muted: #5d738d;
    --text-inverse: #06090d;

    --accent-blue: #1B93E1;
    --accent-blue-glow: rgba(27, 147, 225, 0.4);
    --accent-blue-soft: rgba(27, 147, 225, 0.1);
    --accent-green: #0DB75B;
    --accent-green-glow: rgba(13, 183, 91, 0.4);
    --accent-green-soft: rgba(13, 183, 91, 0.1);
    --accent-amber: #f5a623;
    --accent-red: #e84d4d;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

    /* Spacing Scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow-blue: 0 0 40px var(--accent-blue-glow);
    --shadow-glow-green: 0 0 40px var(--accent-green-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index */
    --z-bg: 0;
    --z-content: 10;
    --z-sticky: 100;
    --z-overlay: 200;
    --z-modal: 300;
    --z-toast: 400;
}

/* Light theme (for future use) */
@media (prefers-color-scheme: light) {
    :root {
        --bg-deep: #f8fafc;
        --bg-surface: #ffffff;
        --bg-elevated: #f1f5f9;
        --bg-card: rgba(255, 255, 255, 0.8);
        --bg-glass: rgba(255, 255, 255, 0.6);

        --border-subtle: #e2e8f0;
        --border-default: #cbd5e1;
        --border-bright: #94a3b8;

        --text-primary: #0f172a;
        --text-secondary: #475569;
        --text-muted: #94a3b8;
        --text-inverse: #ffffff;
    }
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--accent-blue-soft);
    color: var(--accent-blue);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: var(--radius-full);
}

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

/* ========================================
   Background Effects
   ======================================== */
.bg-pattern {
    position: fixed;
    inset: 0;
    z-index: var(--z-bg);
    background-image:
        radial-gradient(circle at 20% 20%, var(--accent-blue-soft) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, var(--accent-green-soft) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-surface) 100%);
    pointer-events: none;
}

.bg-pattern::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231B93E1' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.bg-glow {
    position: fixed;
    inset: 0;
    z-index: var(--z-bg);
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-blue-soft) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 100% 100%, var(--accent-green-soft) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0.6;
}

/* ========================================
   Container & Layout
   ======================================== */
.container {
    position: relative;
    z-index: var(--z-content);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========================================
   Header
   ======================================== */
.header {
    text-align: center;
    margin-bottom: var(--space-4xl);
    padding-top: var(--space-xl);
}

.logo-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.logo {
    width: 180px;
    height: auto;
    filter: drop-shadow(0 0 30px var(--accent-blue-glow));
    transition: transform var(--transition-slow), filter var(--transition-slow);
}

.logo:hover {
    transform: scale(1.02);
    filter: drop-shadow(0 0 50px var(--accent-blue-glow)) drop-shadow(0 0 80px var(--accent-green-glow));
}

.logo-accent {
    position: absolute;
    inset: -20px;
    background: conic-gradient(from 0deg, var(--accent-blue), var(--accent-green), var(--accent-blue));
    border-radius: 50%;
    opacity: 0;
    animation: logo-ring 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes logo-ring {

    0%,
    100% {
        opacity: 0;
        transform: scale(0.8) rotate(0deg);
    }

    50% {
        opacity: 0.15;
        transform: scale(1) rotate(180deg);
    }
}

.tagline {
    font-size: clamp(0.875rem, 1.5vw, 1rem);
    font-weight: 500;
    color: var(--accent-green);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

/* ========================================
   Main & Hero
   ======================================== */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
    width: 100%;
}

.hero {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    align-items: center;
}

.hero-card {
    width: 100%;
    max-width: 720px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-green), transparent);
    opacity: 0.5;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent-green-glow);
    animation: pulse-dot 2s ease-in-out infinite;
}

.status-pulse {
    position: absolute;
    inset: 0;
    background: var(--accent-green);
    border-radius: var(--radius-full);
    opacity: 0;
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.9);
    }
}

@keyframes pulse-ring {
    0% {
        opacity: 0.4;
        transform: scale(1);
    }

    100% {
        opacity: 0;
        transform: scale(2);
    }
}

/* Hero Title */
.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-blue) 50%, var(--accent-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: var(--space-md) 0;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 500px;
    margin-bottom: var(--space-lg);
}

/* Hero CTA Buttons */
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, #0d7bc7 100%);
    color: var(--text-inverse);
    box-shadow: 0 4px 20px var(--accent-blue-glow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-blue-glow);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: var(--accent-blue-soft);
}

.btn-arrow,
.btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    margin-top: auto;
    padding-top: var(--space-3xl);
    /*  border-top: 1px solid var(--border-subtle); */
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(2, 1fr) 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    width: 140px;
    height: auto;
    opacity: 0.8;
    margin-bottom: var(--space-md);
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-link {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

.copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    transition: all var(--transition-base);
}

.social-link:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: var(--accent-blue-soft);
    transform: translateY(-2px);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

/* ========================================
   Reveal Animations
   ======================================== */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

[data-reveal-delay="100"] {
    transition-delay: 100ms;
}

[data-reveal-delay="200"] {
    transition-delay: 200ms;
}

[data-reveal-delay="300"] {
    transition-delay: 300ms;
}

[data-reveal-delay="400"] {
    transition-delay: 400ms;
}

[data-reveal-delay="500"] {
    transition-delay: 500ms;
}

[data-reveal-delay="600"] {
    transition-delay: 600ms;
}

[data-reveal-delay="700"] {
    transition-delay: 700ms;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .container {
        padding: var(--space-2xl) var(--space-md);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: span 2;
        max-width: none;
    }
}

@media (max-width: 768px) {
    :root {
        --space-3xl: 48px;
        --space-4xl: 64px;
    }

    .hero-card {
        padding: var(--space-lg);
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-cta {
        flex-direction: column;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}