/* ============================================
   SECTIONS - Page-Specific Styles
   ============================================ */

/* ========== NAVIGATION ========== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--space-md) 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
    z-index: var(--z-sticky);
    transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
    padding: var(--space-sm) 0;
    background: rgba(10, 10, 15, 0.95);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav__logo {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    background: var(--gradient-energy);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav__link {
    position: relative;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--duration-normal) var(--ease-out);
}

.nav__link:hover,
.nav__link.active {
    color: var(--cyan-glow);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-energy);
    transition: width var(--duration-normal) var(--ease-out);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 28px;
    padding: 4px 0;
    background: none;
    border: none;
    cursor: pointer;
}

.nav__toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--duration-normal) var(--ease-out);
}

.nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.nav__toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ========== HERO SECTION ========== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

/* Energy Rings Background */
.hero__rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
}

.hero__ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid;
    opacity: 0.3;
}

.hero__ring--1 {
    width: 300px;
    height: 300px;
    border-color: var(--cyan-glow);
    animation: rotate-slow 30s linear infinite, breathe 4s ease-in-out infinite;
}

.hero__ring--2 {
    width: 450px;
    height: 450px;
    border-color: var(--purple-glow);
    animation: rotate-reverse 40s linear infinite, breathe 5s ease-in-out infinite 0.5s;
}

.hero__ring--3 {
    width: 600px;
    height: 600px;
    border-color: var(--pink-glow);
    animation: rotate-slow 50s linear infinite, breathe 6s ease-in-out infinite 1s;
}

.hero__ring--4 {
    width: 750px;
    height: 750px;
    border-color: rgba(0, 240, 255, 0.2);
    animation: rotate-reverse 60s linear infinite;
}

/* Radial Glow */
.hero__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at center, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 30% 20%, rgba(128, 0, 255, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 80%, rgba(255, 0, 170, 0.08) 0%, transparent 40%);
    animation: pulse-glow 8s ease-in-out infinite;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 0 var(--space-lg);
}

.hero__greeting {
    font-size: var(--text-lg);
    color: var(--cyan-glow);
    margin-bottom: var(--space-md);
    animation: fade-in-down 0.8s var(--ease-out) forwards;
}

.hero__name {
    font-size: var(--text-hero);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    background: var(--gradient-energy);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 200% 200%;
    animation: gradient-shift 5s ease infinite, fade-in-up 1s var(--ease-out) forwards;
    text-shadow: 0 0 80px rgba(0, 240, 255, 0.3);
}

.hero__roles {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    min-height: 1.5em;
}

.hero__role-text {
    border-right: 2px solid var(--cyan-glow);
    padding-right: 5px;
    animation: blink-cursor 1s step-end infinite;
}

.hero__description {
    font-size: var(--text-lg);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    animation: fade-in-up 1s var(--ease-out) 0.3s both;
}

.hero__cta {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
    animation: fade-in-up 1s var(--ease-out) 0.6s both;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--text-sm);
    animation: float 2s ease-in-out infinite;
}

.hero__scroll-icon {
    width: 24px;
    height: 40px;
    border: 2px solid var(--cyan-glow);
    border-radius: 12px;
    position: relative;
}

.hero__scroll-icon::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--cyan-glow);
    border-radius: 2px;
    animation: float 1.5s ease-in-out infinite;
}

/* ========== ABOUT SECTION ========== */

.about {
    background: var(--bg-secondary);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about__image {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.about__image-frame {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    border: 2px solid var(--glass-border);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.1);
}

.about__image-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-energy);
    opacity: 0.1;
    z-index: 1;
}

.about__image-frame img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    transition: opacity 0.5s ease-in-out;
    display: block;
}

.about__image-glow {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.3) 0%, transparent 70%);
    filter: blur(40px);
    animation: pulse-glow 4s ease-in-out infinite;
}

.about__content {
    padding: var(--space-lg);
}

.about__subtitle {
    color: var(--cyan-glow);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-md);
}

.about__title {
    margin-bottom: var(--space-md);
}

.about__social {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.about__social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    transition: all var(--duration-normal) var(--ease-out);
    cursor: pointer;
}

.about__social-icon:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--cyan-glow);
    color: var(--cyan-glow);
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
}

.about__text {
    margin-bottom: var(--space-lg);
}

.about__text .highlight {
    color: var(--pink-glow);
    font-weight: 600;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.about__stat {
    text-align: center;
    padding: var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
}

.about__stat-number {
    font-size: var(--text-3xl);
    font-weight: 700;
    background: var(--gradient-energy);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.about__stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* ========== SKILLS SECTION ========== */

.skills__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

.skills__category {
    padding: var(--space-xl);
}

.skills__category-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    font-size: var(--text-xl);
}

.skills__category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--cyan-glow);
}

.skill-item {
    margin-bottom: var(--space-lg);
}

.skill-item:last-child {
    margin-bottom: 0;
}

.skill-item__header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.skill-item__name {
    font-weight: 500;
    color: var(--text-primary);
}

.skill-item__level {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--cyan-glow);
}

/* ========== EXPERIENCE SECTION ========== */

.experience {
    background: var(--bg-secondary);
}

.experience__container {
    max-width: 800px;
    margin: 0 auto;
}

.experience__item {
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.experience__period {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: var(--border-radius-full);
    font-size: var(--text-sm);
    color: var(--cyan-glow);
    margin-bottom: var(--space-md);
}

.experience__title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-xs);
}

.experience__company {
    color: var(--pink-glow);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.experience__description {
    margin-bottom: var(--space-md);
}

.experience__tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* ========== PROJECTS SECTION ========== */

.projects__filters {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.projects__filter {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}

.projects__filter:hover,
.projects__filter.active {
    color: var(--cyan-glow);
    border-color: var(--cyan-glow);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: rgba(10, 10, 15, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 240, 255, 0.15);
    border-color: rgba(0, 240, 255, 0.3);
}

.project-card__image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.project-card:hover .project-card__image img {
    transform: scale(1.15) rotate(1deg);
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.95), rgba(10, 10, 15, 0.2) 50%, transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
    transform: translateY(20px);
}

.project-card:hover .project-card__overlay {
    opacity: 1;
    transform: translateY(0);
}

.project-card__content {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    z-index: 1;
    background: var(--glass-bg);
}

.project-card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
    transition: color 0.3s ease;
}

.project-card:hover .project-card__title {
    color: var(--cyan-glow);
}

.project-card__description {
    flex: 1;
    margin-bottom: var(--space-md);
}

.project-card__tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.project-card__tech span {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.project-card__links {
    display: flex;
    gap: var(--space-md);
    margin-top: auto;
}

.project-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    color: var(--cyan-glow);
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 20px;
}

.project-card__link:hover {
    background: rgba(0, 240, 255, 0.1);
    color: #fff;
    border-color: rgba(0, 240, 255, 0.3);
}

/* ========== DOWNLOADS SECTION ========== */

.downloads {
    background: var(--bg-secondary);
}

.downloads__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

/* ========== GALLERY SECTION ========== */

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

/* ========== CONTACT SECTION ========== */

.contact {
    background: var(--bg-secondary);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact__info {
    padding: var(--space-xl);
}

.contact__title {
    margin-bottom: var(--space-lg);
}

.contact__description {
    margin-bottom: var(--space-2xl);
}

.contact__methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact__method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contact__method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--cyan-glow);
}

.contact__method-text {
    color: var(--text-secondary);
}

.contact__method-text strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.contact__social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.contact__form {
    padding: var(--space-xl);
}

/* ========== FOOTER ========== */

.footer {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--glass-border);
}

.footer__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer__copyright {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.footer__links {
    display: flex;
    gap: var(--space-lg);
}

.footer__link {
    color: var(--text-muted);
    font-size: var(--text-sm);
    transition: color var(--duration-normal) var(--ease-out);
}

.footer__link:hover {
    color: var(--cyan-glow);
}

/* ========== PRELOADER ========== */

.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.preloader__content {
    text-align: center;
}

.preloader__ring {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid rgba(0, 240, 255, 0.1);
    border-top-color: var(--cyan-glow);
    border-right-color: var(--purple-glow);
    animation: loading-ring 1s linear infinite;
    margin: 0 auto var(--space-lg);
}

.preloader__text {
    font-family: var(--font-mono);
    color: var(--cyan-glow);
    font-size: var(--text-sm);
    letter-spacing: 0.2em;
}