/* ==========================================================================
   CSS Custom Properties - Modern Glassmorphism "Data Flow" Theme
   ========================================================================== */
:root {
    --color-bg-deep: #0b0f19;
    --color-text: #f8fafc;
    --color-text-dim: #94a3b8;

    --color-blue: #3b82f6;
    --color-blue-glow: rgba(59, 130, 246, 0.5);
    --color-purple: #8b5cf6;
    --color-purple-glow: rgba(139, 92, 246, 0.5);
    --color-teal: #0ea5e9;
    --color-teal-glow: rgba(14, 165, 233, 0.5);

    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.15);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

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

h1,
h2,
h3,
h4,
.brand {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ==========================================================================
   Ambient Background Effects
   ========================================================================== */
.ambient-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite alternate;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--color-purple), transparent 70%);
    animation-delay: -5s;
}

.orb-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--color-blue), transparent 70%);
}

.orb-3 {
    top: 40%;
    left: 60%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--color-teal), transparent 70%);
    animation-duration: 25s;
    animation-delay: -10s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(10%, 15%) scale(1.1);
    }
}

.grid-mesh {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    mask-image: linear-gradient(to bottom, transparent, black, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black, transparent);
}

/* ==========================================================================
   Glassmorphism Components
   ========================================================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-highlight);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Typography & Sections
   ========================================================================== */
.content-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
}

section {
    padding-top: 6rem;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #fff 0%, var(--color-text-dim) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}

.body-text {
    color: var(--color-text-dim);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.glass-header {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 4rem);
    max-width: 1100px;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: 0.75rem 2rem;
    transition: var(--transition-smooth);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.brand .icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-dim);
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 0;
}

.hero-glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--color-blue-glow);
    border-radius: var(--radius-full);
    color: var(--color-blue);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.fluent-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dynamic-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--color-text-dim);
    font-weight: 300;
    margin-bottom: 2rem;
    min-height: 40px;
}

.cursor {
    color: var(--color-blue);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hero-glass-card .body-text {
    max-width: 700px;
    margin: 0 auto 3rem;
}

.button-group {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-family: var(--font-heading);
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-blue);
    color: #fff;
    box-shadow: 0 0 20px var(--color-blue-glow);
}

.btn-primary:hover {
    background: #2563eb;
    box-shadow: 0 0 30px var(--color-blue-glow);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid var(--glass-highlight);
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: #fff;
}

/* ==========================================================================
   Skills Grid
   ========================================================================== */
.glass-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-card {
    padding: 2.5rem 2rem;
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon-wrapper.blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-blue);
}

.icon-wrapper.purple {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-purple);
}

.icon-wrapper.teal {
    background: rgba(14, 165, 233, 0.1);
    color: var(--color-teal);
}

.skill-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.elegant-list {
    list-style: none;
}

.elegant-list li {
    color: var(--color-text-dim);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.elegant-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-blue);
    opacity: 0.7;
}

/* ==========================================================================
   Projects Layer Setup
   ========================================================================== */
.project-stack {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.full-span-card {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.tag {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.tag.blue {
    color: var(--color-blue);
}

.tag.purple {
    color: var(--color-purple);
}

.tag.teal {
    color: var(--color-teal);
}

.full-span-card h3 {
    font-size: 1.8rem;
}

.date-pill {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

.full-span-card .body-text {
    margin-bottom: 2rem;
}

.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: auto;
}

.pill {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: #e2e8f0;
}

/* ==========================================================================
   Contact Data Form
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 0;
    overflow: hidden;
}

.contact-details {
    padding: 4rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
    border-right: 1px solid var(--glass-border);
}

.contact-details h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-links {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-dim);
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #fff;
}

.icon-box {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue);
}

.form-wrapper {
    padding: 4rem;
}

.modern-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.input-group {
    position: relative;
}

.input-group input,
.input-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--glass-border);
    padding: 0.5rem 0;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    resize: vertical;
}

.input-group label {
    position: absolute;
    top: 0.5rem;
    left: 0;
    color: var(--color-text-dim);
    transition: 0.3s ease all;
    pointer-events: none;
}

.input-group input:focus~label,
.input-group input:not(:placeholder-shown)~label,
.input-group textarea:focus~label,
.input-group textarea:not(:placeholder-shown)~label {
    top: -1.2rem;
    font-size: 0.8rem;
    color: var(--color-blue);
}

.input-highlight {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: var(--color-blue);
    transition: 0.3s ease all;
}

.input-group input:focus~.input-highlight,
.input-group textarea:focus~.input-highlight {
    width: 100%;
}

.w-full {
    width: 100%;
}

.success-message {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 500;
}

.hidden {
    display: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-dim);
    font-size: 0.9rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-details {
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }
}

@media (max-width: 768px) {
    .glass-header {
        width: 100%;
        top: 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-top: none;
    }

    .nav-links {
        display: none;
    }

    .hero-glass-card {
        padding: 3rem 1.5rem;
    }

    .contact-details,
    .form-wrapper {
        padding: 2rem;
    }
}