/* ===== VARIABLES ===== */
:root {
  --primary: #7C3AED;
  --secondary: #A78BFA;
  --accent: #38BDF8;
  --orange: #FFA04C;
  --bg: #0E0E12;
  --bg-light: #1C1C22;
  --text: #E5E7EB;
  --text-dim: #9CA3AF;
  --border: rgba(167, 139, 250, 0.2);
}

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

/* ===== PRELOADER ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    font-size: 5rem;
    font-weight: 900;
    color: var(--primary);
    animation: logoFloat 2s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.preloader-text {
    color: var(--text-dim);
    margin-top: 1rem;
    font-size: 1rem;
    letter-spacing: 2px;
}

.preloader-bar {
    width: 200px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 2rem auto 0;
    overflow: hidden;
}

.preloader-progress {
    height: 100%;
    background: var(--primary);
    width: 0;
    animation: loadProgress 2s ease-out forwards;
}

@keyframes loadProgress {
    to { width: 100%; }
}

/* ===== SCROLL PROGRESS BAR ===== */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--primary);
    z-index: 9998;
    width: 0;
    transition: width 0.1s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
    height: 100vh;
    width: 100vw;
}

body.loading {
    overflow: hidden;
}

body.loading > *:not(.preloader) {
    opacity: 0;
    visibility: hidden;
}

body::-webkit-scrollbar,
section::-webkit-scrollbar,
.hero::-webkit-scrollbar {
    display: none;
}

body,
section,
.hero {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* ===== GRID BACKGROUND ===== */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(180, 148, 230, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(180, 148, 230, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    pointer-events: none;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(15, 15, 20, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--border);
    padding: 1.5rem 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 10px 40px rgba(116, 52, 243, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.logo-name {
    transition: all 0.3s ease;
}

.logo-bracket {
    color: var(--primary);
    font-weight: 400;
    transition: all 0.3s ease;
    display: inline-block;
}

.logo:hover .logo-bracket {
    transform: scale(1.2);
}

.logo:hover .logo-name {
    color: var(--primary);
    text-shadow: 0 0 20px rgba(124, 58, 237, 0.5);
}

.logo-tooltip {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(20, 20, 30, 0.95);
    border: 1px solid var(--primary);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-dim);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

.logo-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid var(--primary);
}

.logo:hover .logo-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(15px);
}

.nav-links {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--text);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 28px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s ease;
}

/* ===== HERO SECTION ===== */
.hero {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(50px) scale(0.95);
    filter: blur(10px);
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1),
                transform 1s cubic-bezier(0.4, 0, 0.2, 1),
                filter 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 5;
    overflow: hidden;
}

.hero.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0) scale(1);
    filter: blur(0px);
    z-index: 10;
}

.hero-content {
    max-width: 900px;
    width: 100%;
    position: relative;
    z-index: 11;
}

.hero-label {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 2rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.cursor-blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.hero-title .word {
    display: inline-block;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 3rem;
    line-height: 1.8;
    max-width: 700px;
    opacity: 0.95;
}

.hero-subtitle .line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
    opacity: 0;
    animation: fadeInUp 0.8s 0.5s ease forwards;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn-primary {
    background: var(--orange);
    color: #0E0E12;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(255, 160, 76, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 40px rgba(255, 160, 76, 0.6), 0 0 30px rgba(255, 160, 76, 0.4);
    background: #FFB366;
}

.btn-primary:hover svg {
    animation: arrowMove 0.6s ease-in-out infinite;
}

@keyframes arrowMove {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(8px); }
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(116, 52, 243, 0.1);
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dim);
    font-size: 0.875rem;
    opacity: 0;
    animation: fadeInUp 0.8s 0.7s ease forwards, bounce 2s 1.5s infinite;
    cursor: pointer;
    transition: all 0.3s ease;
}

.scroll-indicator:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.scroll-indicator svg {
    width: 24px;
    height: 24px;
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.5; }
}

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

/* ===== SECTIONS ===== */
section {
    padding: 8rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transform: translateY(50px) scale(0.95);
    filter: blur(10px);
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1),
                transform 1s cubic-bezier(0.4, 0, 0.2, 1),
                filter 1s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 5;
    overflow: hidden;
    background: transparent;
}

section.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0) scale(1);
    filter: blur(0px);
    z-index: 10;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
    z-index: 2;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 160, 76, 0.1);
    border: 1px solid rgba(255, 160, 76, 0.3);
    border-radius: 50px;
    color: var(--orange);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-number {
    display: inline-block;
    font-size: 1rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text);
    margin-top: 1.5rem;
    opacity: 0.9;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-top: 0.5rem;
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    perspective: 1000px;
}

.about-card {
    background: rgba(20, 20, 30, 0.85);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 16px;
    border: 2px solid var(--border);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

.about-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(255, 160, 76, 0.1));
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.about-card:hover {
    border-color: var(--primary);
    box-shadow: 0 30px 80px rgba(124, 58, 237, 0.4), 0 15px 40px rgba(124, 58, 237, 0.2);
}

.about-card:hover::after {
    opacity: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 2rem;
    color: var(--primary);
    transition: all 0.3s ease;
}

.about-card:hover .card-icon {
    transform: scale(1.2) rotate(360deg);
    filter: drop-shadow(0 0 20px var(--primary));
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: scale(1.2) rotate(360deg) translateY(0); }
    50% { transform: scale(1.2) rotate(360deg) translateY(-10px); }
}

.about-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.about-card p {
    color: var(--text);
    line-height: 1.8;
    opacity: 0.9;
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    position: relative;
    z-index: 1;
    perspective: 1000px;
}

.skills-category {
    background: rgba(20, 20, 30, 0.85);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 16px;
    border: 2px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.skills-category::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(255, 160, 76, 0.1));
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.skills-category:hover {
    border-color: var(--primary);
    box-shadow: 0 30px 80px rgba(124, 58, 237, 0.4), 0 15px 40px rgba(124, 58, 237, 0.2);
}

.skills-category:hover::after {
    opacity: 1;
}

.skills-category h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text);
    font-weight: 700;
    position: relative;
    padding-left: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skills-category h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
}

.skill-item {
    margin-bottom: 2rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text);
    font-size: 1rem;
}

.skill-percent {
    color: var(--orange);
    font-weight: 800;
    font-size: 1.1rem;
}

.skill-bar {
    height: 10px;
    background: rgba(180, 148, 230, 0.15);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border);
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), rgba(124, 58, 237, 0.6));
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skill-item:hover .skill-progress {
    box-shadow: 0 0 20px rgba(116, 52, 243, 0.6);
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
    perspective: 1000px;
}

.project-card {
    background: rgba(20, 20, 30, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid var(--border);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(255, 160, 76, 0.1));
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.project-card:hover {
    border-color: var(--primary);
    box-shadow: 0 30px 80px rgba(124, 58, 237, 0.4), 0 15px 40px rgba(124, 58, 237, 0.2);
}

.project-card:hover::after {
    opacity: 1;
}

.project-image {
    height: 250px;
    background: linear-gradient(135deg, var(--orange), rgba(255, 160, 76, 0.6));
    position: relative;
    overflow: hidden;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-info {
    padding: 2rem;
    position: relative;
    z-index: 1;
    transition: transform 0.5s ease;
    display: flex;
    flex-direction: column;
    flex: 1;
}

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

.project-tags {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.4rem 1rem;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(124, 58, 237, 0.2);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.project-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.project-info p {
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: auto;
}

.project-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-btn svg {
    width: 16px;
    height: 16px;
}

.project-btn:hover {
    border-color: var(--primary);
    background: rgba(116, 52, 243, 0.1);
    transform: translateY(-2px);
}

/* ===== CONTACT SECTION ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.contact-content--centered {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.contact-content--centered .contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.contact-info p {
    color: var(--text-dim);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: transparent;
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.3), transparent);
    transition: left 0.6s ease;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    border-color: var(--primary);
    background: rgba(124, 58, 237, 0.15);
    transform: translateX(15px) scale(1.05);
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.3);
}

.social-link:hover .social-icon {
    transform: rotate(360deg) scale(1.2);
}

.social-icon {
    width: 28px;
    height: 28px;
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== FOOTER ===== */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: transparent;
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    opacity: 0;
    transition: opacity 0.8s ease;
    z-index: 999;
}

.footer p {
    color: var(--text-dim);
}

.footer-email {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-email:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.footer-heart {
    color: var(--accent);
    display: inline-block;
    animation: heartbeat 1.5s ease-in-out infinite;
    cursor: pointer;
    transition: transform 0.2s ease;
    user-select: none;
}

.footer-heart:hover {
    transform: scale(1.2);
}

.footer-heart:active {
    transform: scale(0.9);
}

.flying-heart {
    position: fixed;
    font-size: 1.2rem;
    pointer-events: none;
    z-index: 9999;
    animation: heartExplosion 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes heartExplosion {
    0% { opacity: 1; transform: translate(0, 0) rotate(0deg) scale(0.5); }
    20% { opacity: 1; transform: translate(var(--tx), var(--ty)) rotate(180deg) scale(1.5); }
    50% { opacity: 1; transform: translate(calc(var(--tx) * 1.5), calc(var(--ty) * 1.5)) rotate(360deg) scale(1.2); }
    100% { opacity: 0; transform: translate(calc(var(--tx) * 2), calc(var(--ty) * 2.5)) rotate(720deg) scale(0); }
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(1.2); }
    20%, 40% { transform: scale(1); }
}

.footer-coffee {
    display: inline-block;
    color: var(--orange);
    animation: coffeeShake 2s ease-in-out infinite;
}

@keyframes coffeeShake {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

/* ===== CONFETTI ===== */
.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    top: -10px;
    z-index: 9999;
    animation: confettiFall linear forwards;
}

@keyframes confettiFall {
    to { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

/* ===== RESPONSIVE ===== */
@media (min-width: 969px) and (max-width: 1920px) {
    :root {
        --desktop-scale: 0.82;
        --desktop-offset: 2.5rem;
    }

    body {
        zoom: var(--desktop-scale);
        transform-origin: top center;
        height: calc(100vh / var(--desktop-scale));
        min-height: calc(100vh / var(--desktop-scale));
        padding-bottom: var(--desktop-offset);
        overflow: hidden;
    }

    .hero,
    section {
        height: calc(100vh / var(--desktop-scale));
    }

    .hero {
        padding-top: calc(8rem + var(--desktop-offset));
    }

    section {
        padding-top: calc(8rem + var(--desktop-offset));
    }
}

@media (max-width: 968px) {
    .hero-title { font-size: 3rem; }
    .section-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.125rem; }
    .contact-content { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 3rem 2rem;
        transition: left 0.4s ease;
        gap: 2rem;
    }

    .nav-links.active { left: 0; }
    .nav-links a { font-size: 1.5rem; }
    .mobile-menu-btn { display: flex; }

    .mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(8px, 8px); }
    .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(8px, -8px); }

    .hero { padding: 6rem 0 3rem; }
    .hero-title { font-size: 2.25rem; }
    .hero-subtitle { font-size: 1.125rem; }
    .hero-cta { flex-direction: column; }
    section { padding: 5rem 0; }
    .section-title { font-size: 2rem; }
    .about-content, .skills-grid, .projects-grid { grid-template-columns: 1fr; }
    .projects-grid { gap: 1.5rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .hero-title { font-size: 1.875rem; }
    .section-title { font-size: 1.75rem; }
    .hero-subtitle { font-size: 1rem; }
    .about-card { padding: 2rem; }
}