:root {
    --primary-bg: #0a0f0d;
    --primary-text: #f8fafc;
    --secondary-bg: #111827;
    --secondary-text: #94a3b8;
    --neon-blue: #00f2ff;
    --turquoise: #22d3ee;
    --purple: #a855f7;
    --glass-bg: rgba(17, 24, 39, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--primary-bg);
    color: var(--primary-text);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease, opacity 0.3s ease;
}

a:hover,
a:focus {
    text-decoration: none;
    color: var(--neon-blue);
}

button {
    cursor: pointer;
    border: none;
    background: none;
    transition: transform 0.2s ease, filter 0.3s ease;
}

button:active {
    transform: scale(0.98);
}

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

ul,
ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.neon-glow {
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.3);
}

@media (max-width: 768px) {
    h1 {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    h3 {
        font-size: clamp(1.25rem, 5vw, 1.75rem);
    }

    body {
        font-size: 0.95rem;
    }

    .break-word-mobile {
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-all;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 3.5rem;
    }

    h2 {
        font-size: 2.75rem;
    }
}

/* ===== header ===== */
.site-header {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    position: relative;
    z-index: 1000;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--neon-blue) !important;
}

.cta-button {
    background: linear-gradient(135deg, var(--neon-blue) 0%, var(--turquoise) 100%);
    color: var(--primary-bg) !important;
    font-weight: 700;
    padding: 0.625rem 1.75rem;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 242, 255, 0.2);
    border: none;
    white-space: nowrap;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 255, 0.4);
    opacity: 0.9;
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--primary-bg);
    z-index: 9999;
    display: none;
    flex-direction: column;
}

.mobile-menu-overlay.show {
    display: flex;
}

.js-menu-toggle:focus,
.js-menu-close:focus {
    outline: none;
}

/* ===== hero_section ===== */
#hero {
    z-index: 1;
}

.hero-grid {
    background-image: linear-gradient(var(--glass-border) 1px, transparent 1px), linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.15;
    mask-image: radial-gradient(circle at center, black, transparent 85%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 85%);
    z-index: 0;
}

.hero-content {
    z-index: 2;
}

.js-tag:hover {
    background-color: var(--turquoise) !important;
    color: var(--primary-bg) !important;
    transform: translateY(-2px);
}

.js-modal-trigger:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 242, 255, 0.5) !important;
    transition: all 0.3s ease;
}

.modal-content {
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

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

.modal-body::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-text);
}

/* ===== features_grid ===== */
.features-section {
    background-color: var(--primary-bg);
    padding: 100px 0;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 24px;
    height: 100%;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 0 30px rgba(0, 242, 255, 0.15);
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    color: var(--neon-blue);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.feature-title {
    color: var(--primary-text);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.feature-text {
    color: var(--secondary-text);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 0;
    text-align: justify;
}

.feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 242, 255, 0.05), transparent 70%);
    pointer-events: none;
}

/* ===== blog_feed ===== */
#blog .card {
    transition: none !important;
}

#blog .card-img-top {
    border-bottom: 1px solid var(--glass-border);
}

#blog .js-share-btn:hover {
    background-color: var(--turquoise) !important;
    color: var(--primary-bg) !important;
}

#blog .js-share-btn:hover i {
    color: var(--primary-bg) !important;
}

#blog .card-text {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 12;
    -webkit-box-orient: vertical;
}

/* ===== tech_stats ===== */
.dashboard-section {
    position: relative;
    overflow: hidden;
}

.dashboard-section::before {
    content: "";
    position: absolute;
    top: -10%;
    right: -10%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, rgba(0, 242, 255, 0.05) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.metric-card:hover {
    transform: translateY(-5px);
    transition: transform 0.3s ease;
}

.progress-bar {
    transition: width 1s ease-in-out;
}

/* ===== contact_form ===== */
.contact-section {
    position: relative;
    overflow: hidden;
}

.form-control:focus {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border-color: var(--neon-blue) !important;
    color: var(--primary-text) !important;
    box-shadow: 0 0 0 0.25rem rgba(0, 242, 255, 0.1) !important;
}

.form-control::placeholder {
    color: var(--secondary-text);
    opacity: 0.5;
}

.form-check-input:checked {
    background-color: var(--neon-blue);
    border-color: var(--neon-blue);
}

.btn-neon:hover {
    filter: brightness(1.1);
    transition: all 0.3s ease;
}

.form-card {
    transition: transform 0.3s ease;
}

.form-card:hover {
    transform: translateY(-5px);
}

/* ===== footer ===== */
#site-footer a:hover {
    color: var(--neon-blue) !important;
    transition: color 0.3s ease;
}