/*
Theme Name: Rankvex
Theme URI: https://rankvex.com
Author: Rankvex
Author URI: https://rankvex.com
Description: Premium Link Building & SEO Services Theme
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: rankvex
*/

/* ============================================
   CSS VARIABLES
============================================ */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1628;
    --bg-card: #111827;
    --blue-primary: #1a6cf6;
    --blue-hover: #1558d6;
    --cyan: #00d4ff;
    --cyan-glow: rgba(0, 212, 255, 0.15);
    --blue-glow: rgba(26, 108, 246, 0.15);
    --text-white: #ffffff;
    --text-gray: #8892a4;
    --text-light: #c8d0dc;
    --border: #1e2d4a;
    --border-glow: rgba(0, 212, 255, 0.3);
    --gradient-primary: linear-gradient(135deg, #1a6cf6, #00d4ff);
    --gradient-dark: linear-gradient(135deg, #0a0e1a, #0f1628);
    --shadow-blue: 0 0 30px rgba(26, 108, 246, 0.3);
    --shadow-cyan: 0 0 30px rgba(0, 212, 255, 0.2);
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    --transition: all 0.3s ease;
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: var(--font-primary);
}

input, textarea, select {
    font-family: var(--font-primary);
    outline: none;
}

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

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.8rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 1rem;
}

/* ============================================
   UTILITY CLASSES
============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

.section-padding-sm {
    padding: 60px 0;
}

.text-center { text-align: center; }
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-cyan { color: var(--cyan); }
.text-blue { color: var(--blue-primary); }

/* ============================================
   SECTION HEADER
============================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: var(--cyan-glow);
    border: 1px solid var(--border-glow);
    color: var(--cyan);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-gray);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   BUTTONS
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(26, 108, 246, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--cyan);
    border: 1px solid var(--cyan);
}

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

.btn-whatsapp {
    background: #25d366;
    color: #fff;
}

.btn-whatsapp:hover {
    background: #1db954;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 42px;
    font-size: 1.05rem;
}

/* ============================================
   CARDS
============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-4px);
}

/* ============================================
   GLOW EFFECTS
============================================ */
.glow-blue {
    box-shadow: var(--shadow-blue);
}

.glow-cyan {
    box-shadow: var(--shadow-cyan);
}

/* ============================================
   DIVIDER
============================================ */
.divider {
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    margin: 16px auto 0;
}

/* ============================================
   BADGE
============================================ */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-blue {
    background: var(--blue-glow);
    color: var(--blue-primary);
    border: 1px solid rgba(26, 108, 246, 0.3);
}

.badge-cyan {
    background: var(--cyan-glow);
    color: var(--cyan);
    border: 1px solid var(--border-glow);
}

.badge-green {
    background: rgba(0, 200, 100, 0.1);
    color: #00c864;
    border: 1px solid rgba(0, 200, 100, 0.3);
}

/* ============================================
   SCROLLBAR
============================================ */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--blue-primary);
    border-radius: 3px;
}

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

/* ============================================
   SELECTION
============================================ */
::selection {
    background: var(--blue-primary);
    color: #fff;
}

/* ============================================
   ANIMATIONS
============================================ */
@keyframes fadeInUp {
    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 pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 212, 255, 0.6); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.animate-fadeInUp { animation: fadeInUp 0.6s ease forwards; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-glow { animation: glow 2s ease-in-out infinite; }

/* ============================================
   RESPONSIVE UTILITIES
============================================ */
@media (max-width: 1024px) {
    .section-padding { padding: 80px 0; }
}

@media (max-width: 768px) {
    .section-padding { padding: 60px 0; }
    .section-header { margin-bottom: 40px; }
    .btn-lg { padding: 14px 28px; font-size: 0.95rem; }
}

@media (max-width: 480px) {
    .section-padding { padding: 50px 0; }
    .container { padding: 0 16px; }
}