/* ===== FONT FACES ===== */
@font-face {
    font-family: 'UTM Avo';
    src: url('../UTM Avo/UTM Avo.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'UTM Avo';
    src: url('../UTM Avo/UTM AvoBold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'UTM Avo';
    src: url('../UTM Avo/UTM AvoItalic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}
@font-face {
    font-family: 'UTM Avo';
    src: url('../UTM Avo/UTM AvoBold_Italic.ttf') format('truetype');
    font-weight: 700;
    font-style: italic;
    font-display: swap;
}

/* ===== DESIGN TOKENS ===== */
:root {
    --primary: #e8751a;
    --primary-light: #ff9a4d;
    --primary-dark: #c55e0e;
    --primary-soft: rgba(232, 117, 26, 0.1);
    --bg-dark: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #222240;
    --bg-section-alt: #141425;
    --text-primary: #f0f0f5;
    --text-secondary: #9898b0;
    --text-muted: #6e6e85;
    --border: rgba(255,255,255,0.06);
    --border-hover: rgba(232,117,26,0.3);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-card: 0 4px 24px rgba(0,0,0,0.25);
    --shadow-hover: 0 8px 40px rgba(232,117,26,0.15);
    --font-display: 'UTM Avo', 'Space Grotesk', sans-serif;
    --font-body: 'UTM Avo', 'Inter', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(15,15,26,0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}
.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.35rem;
}
.brand-icon {
    width: 38px; height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 1.15rem;
}
.brand-accent { color: var(--primary); }
.navbar-links {
    display: flex;
    gap: 32px;
}
.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--primary);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-toggle {
    display: none;
    background: none; border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 0 80px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 8s ease-in-out infinite;
}
.hero-orb-1 {
    width: 400px; height: 400px;
    background: var(--primary);
    top: -100px; right: -100px;
    animation-delay: 0s;
}
.hero-orb-2 {
    width: 300px; height: 300px;
    background: #5e35b1;
    bottom: -50px; left: -50px;
    animation-delay: -3s;
}
.hero-orb-3 {
    width: 200px; height: 200px;
    background: var(--primary-light);
    top: 40%; left: 60%;
    animation-delay: -5s;
}
@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}
.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 780px;
    margin: 0 auto;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--primary-soft);
    border: 1px solid rgba(232,117,26,0.25);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 28px;
}
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
}
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(232,117,26,0.35);
}
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 36px;
}
.stat-item { text-align: center; }
.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-light);
}
.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
}
.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.stat-divider {
    width: 1px; height: 40px;
    background: var(--border);
}

/* Hero Scroll */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.75rem;
    animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-about { background: var(--bg-section-alt); }
.section-projects { background: var(--bg-dark); }
.section-tech { background: var(--bg-section-alt); }
.section-workflow { background: var(--bg-dark); }
.section-contact { background: var(--bg-section-alt); }

.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 3.5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 12px;
}
.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 540px;
    margin: 0 auto;
}

/* ===== ABOUT ME ===== */
.about-me-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border);
}
.about-me-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.about-me-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}
.about-me-title span { color: var(--primary); }
.about-me-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 30px;
}
.about-me-links {
    display: flex;
    gap: 16px;
}
.about-me-btn {
    width: 50px; height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 1.3rem;
    transition: var(--transition);
    background: transparent;
}
.about-me-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-soft);
    transform: translateY(-4px);
}
.about-me-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}
.about-me-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    filter: grayscale(40%);
    transition: var(--transition);
    display: block;
}
.about-me-image:hover img {
    filter: grayscale(0%);
}

@media (max-width: 992px) {
    .about-me-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .about-me-content {
        align-items: center;
    }
}

/* ===== ABOUT CARDS ===== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}
.about-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.about-card-icon {
    width: 64px; height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: var(--primary-soft);
    border-radius: var(--radius-md);
    font-size: 1.6rem;
    color: var(--primary);
}
.about-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.about-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.65;
}

/* ===== PROJECT CARDS ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 40px;
}
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    transition: var(--transition);
}
.project-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.project-card:nth-child(even) { direction: rtl; }
.project-card:nth-child(even) > * { direction: ltr; }

.project-image {
    position: relative;
    overflow: hidden;
    min-height: 320px;
}
.project-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.project-card:hover .project-image img {
    transform: scale(1.05);
}
.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15,15,26,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-demo-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transform: translateY(10px);
    transition: var(--transition);
}
.project-card:hover .project-demo-btn { transform: translateY(0); }
.project-badge {
    position: absolute;
    top: 16px; left: 16px;
    padding: 4px 14px;
    background: rgba(46,204,113,0.2);
    color: #2ecc71;
    border: 1px solid rgba(46,204,113,0.3);
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.project-content {
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}
.tag {
    padding: 4px 12px;
    background: var(--primary-soft);
    color: var(--primary-light);
    border-radius: 100px;
    font-size: 0.73rem;
    font-weight: 600;
}
.project-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.project-title i { color: var(--primary); font-size: 1.3rem; }
.project-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
}
.project-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.feature-item i { color: #2ecc71; font-size: 1rem; }
.project-footer {
    display: flex;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
}
.project-link:hover { color: var(--primary); }
.project-link.primary { color: var(--primary); }
.project-link.primary:hover { color: var(--primary-light); }

/* ===== TECH GRID ===== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.tech-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.tech-item i {
    font-size: 2.2rem;
    color: var(--primary);
}
.tech-item span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== WORKFLOW ===== */
.workflow-timeline {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    padding-left: 60px;
}
.workflow-timeline::before {
    content: '';
    position: absolute;
    left: 24px; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), transparent);
}
.workflow-step {
    position: relative;
    margin-bottom: 40px;
}
.workflow-step:last-child { margin-bottom: 0; }
.step-number {
    position: absolute;
    left: -60px; top: 0;
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: 50%;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--primary);
    z-index: 1;
}
.step-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    transition: var(--transition);
}
.step-content:hover {
    border-color: var(--border-hover);
}
.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.step-content p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.65;
}

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}
.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 36px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    text-align: center;
}
.contact-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.contact-card i {
    font-size: 2rem;
    color: var(--primary);
}
.contact-label {
    font-weight: 700;
    font-size: 0.95rem;
}
.contact-value {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ===== FOOTER ===== */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
}
.footer-brand .brand-icon {
    width: 32px; height: 32px;
    font-size: 0.95rem;
}
.footer-text {
    color: var(--text-muted);
    font-size: 0.82rem;
}
.text-accent { color: var(--primary); }

/* ===== ANIMATIONS ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .project-card {
        grid-template-columns: 1fr;
    }
    .project-card:nth-child(even) { direction: ltr; }
    .project-image { min-height: 240px; }
    .about-grid { grid-template-columns: 1fr; gap: 16px; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .navbar-links { 
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column;
        background: rgba(15,15,26,0.96);
        backdrop-filter: blur(16px);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }
    .navbar-links.open { display: flex; }
    .nav-toggle { display: block; }
    .hero { padding: 100px 0 60px; }
    .hero-stats { gap: 20px; }
    .stat-number { font-size: 1.5rem; }
    .section { padding: 64px 0; }
    .contact-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
}