/* ==================== DESIGN TOKENS ==================== */

:root {
    /* Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #0f1a2f;
    --color-bg-tertiary: #1a2847;
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;
    --color-text-muted: #a0a0a0;
    --color-accent-gold: #d4af37;
    --color-accent-neon: #00d4ff;
    --color-accent-neon-dark: #0099cc;
    --color-border: #2a3a50;
    --color-success: #00d97e;
    --color-danger: #ff4757;

    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;

    /* Typography */
    --font-family-heading: 'Segoe UI', 'Tahoma', sans-serif;
    --font-family-body: 'Segoe UI', 'Tahoma', sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Font Sizes - Responsive using clamp */
    --font-size-h1: clamp(1.35rem, 3vw, 2rem);
    --font-size-h2: clamp(1rem, 2.2vw, 1.5rem);
    --font-size-h3: clamp(1.1rem, 2.5vw, 1.5rem);
    --font-size-body: clamp(0.95rem, 1.5vw, 1.1rem);
    --font-size-small: clamp(0.85rem, 1vw, 0.95rem);

    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

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

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px 0 rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px 0 rgba(0, 0, 0, 0.5);
    --shadow-neon: 0 0 20px rgba(0, 212, 255, 0.5);
    --shadow-neon-strong: 0 0 40px rgba(0, 212, 255, 0.8);
    --shadow-gold: 0 0 15px rgba(212, 175, 55, 0.3);

    /* Z-Index */
    --z-navbar: 1000;
    --z-sticky: 900;
    --z-modal: 2000;
}

/* ==================== RTL ADJUSTMENTS ==================== */

html[dir="rtl"],
html {
    direction: rtl;
}

/* ==================== BASE STYLES ==================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-body);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

/* ==================== CONTAINER ==================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ==================== TYPOGRAPHY ==================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
}

strong {
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-gold);
}

.highlight {
    background: linear-gradient(135deg, var(--color-accent-neon) 0%, var(--color-accent-gold) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==================== LINKS ==================== */

a {
    color: var(--color-accent-neon);
    text-decoration: none;
    transition: color var(--transition-base), text-shadow var(--transition-base);
}

a:hover {
    color: var(--color-accent-gold);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

/* ==================== CTA LINKS (BUTTON STYLE) ==================== */

.link-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 212, 255, 0.08);
    border: 2px solid var(--color-accent-neon);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-neon);
    transition: all var(--transition-base);
}

.link-cta:hover {
    background: rgba(0, 212, 255, 0.15);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4),
                inset 0 0 15px rgba(0, 212, 255, 0.1);
    text-shadow: none;
}

.link-cta.highlight {
    border-color: var(--color-accent-gold);
    color: var(--color-accent-gold);
    background: rgba(212, 175, 55, 0.08);
}

.link-cta.highlight:hover {
    background: rgba(212, 175, 55, 0.15);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.4),
                inset 0 0 15px rgba(212, 175, 55, 0.1);
}

/* ==================== BUTTONS ==================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-neon) 0%, var(--color-accent-neon-dark) 100%);
    color: var(--color-bg-primary);
    border-color: var(--color-accent-neon);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    box-shadow: var(--shadow-neon-strong);
    border-color: var(--color-accent-gold);
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent-gold);
    border-color: var(--color-accent-gold);
}

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
    box-shadow: var(--shadow-gold);
}

.btn-whatsapp {
    background: var(--color-success);
    color: white;
    border-color: var(--color-success);
}

.btn-whatsapp:hover {
    box-shadow: 0 0 15px rgba(0, 217, 126, 0.5);
}

.btn-phone {
    background: var(--color-accent-neon);
    color: var(--color-bg-primary);
    border-color: var(--color-accent-neon);
}

.btn-phone:hover {
    box-shadow: var(--shadow-neon-strong);
}

/* ==================== MOBILE BUTTONS ==================== */

@media (max-width: 768px) {
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-small);
        width: 100%;
    }

    .btn-text {
        display: none;
    }
}

/* ==================== LISTS ==================== */

ul, ol {
    list-style: none;
}

li {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    position: relative;
    line-height: var(--line-height-relaxed);
}

li:before {
    content: "•";
    color: var(--color-accent-neon);
    font-weight: bold;
    position: absolute;
    right: 0;
}

/* ==================== UTILITY CLASSES ==================== */

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* ==================== PRINT STYLES ==================== */

@media print {
    body {
        background-color: white;
        color: black;
    }

    a {
        color: blue;
        text-decoration: underline;
    }

    .btn {
        border: 1px solid black;
    }
}