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

:root {
    --bg-primary: #0d0d12;
    --bg-secondary: #111118;
    --bg-card: #16161e;
    --bg-card-hover: #1c1c26;
    --text-primary: #e4e4eb;
    --text-secondary: #8e8ea0;
    --text-muted: #5c5c70;
    --accent: #7c3aed;
    --accent-light: #a78bfa;
    --accent-secondary: #06b6d4;
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
    --gradient-text: linear-gradient(135deg, #a78bfa 0%, #22d3ee 100%);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-radius: 14px;
    --border-radius-sm: 10px;
    --border-radius-xs: 6px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
    --nav-height: 72px;
    --transition: all 0.25s ease;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== CANVAS BACKGROUND ===== */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.3;
}

/* ===== UTILITY ===== */
.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.typed-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== CARDS ===== */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: rgba(124, 58, 237, 0.06);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(13, 13, 18, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo-bracket {
    color: var(--accent-secondary);
    font-family: var(--font-mono);
    font-weight: 400;
}

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

.logo-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
    color: var(--accent-light);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    bottom: -7px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + 40px) 20px 60px;
    position: relative;
    max-width: 1120px;
    margin: 0 auto;
    gap: 48px;
}

.hero::before,
.hero::after {
    display: none;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(20px, -15px);
    }
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(124, 58, 237, 0.08);
    border: 1px solid rgba(124, 58, 237, 0.12);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--accent-light);
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-heading);
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-greeting {
    display: block;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.hero-name {
    display: block;
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-role {
    display: block;
    font-size: clamp(1.1rem, 2.5vw, 1.7rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 6px;
}

.cursor {
    color: var(--accent);
    animation: blink 1s step-end infinite;
    font-weight: 300;
}

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

.hero-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 28px;
    line-height: 1.75;
}

.hero-description strong {
    color: var(--accent-light);
    font-weight: 600;
}

.hero-cta {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text-primary);
}

.hero-stat-plus {
    color: var(--accent-light);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
}

.hero-stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.hero-stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border-color);
}

/* Hero Visual (Code Window) */
.hero-visual {
    flex: 0 0 400px;
    z-index: 1;
}

.code-window {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    animation: float-code 8s ease-in-out infinite;
}

@keyframes float-code {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red {
    background: #ff5f57;
}

.dot.yellow {
    background: #febc2e;
}

.dot.green {
    background: #28c840;
}

.code-title {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.code-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.85;
    overflow-x: auto;
}

.code-body pre {
    margin: 0;
}

.code-body code {
    font-family: inherit;
}

.code-keyword {
    color: #c792ea;
}

.code-class {
    color: #ffcb6b;
}

.code-string {
    color: #c3e88d;
}

.code-func {
    color: #82aaff;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.scroll-indicator {
    width: 22px;
    height: 36px;
    border: 1.5px solid var(--border-color);
    border-radius: 11px;
    position: relative;
}

.scroll-dot {
    width: 3px;
    height: 6px;
    background: var(--accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {

    0%,
    100% {
        top: 6px;
        opacity: 1;
    }

    50% {
        top: 20px;
        opacity: 0.3;
    }
}

/* ===== SECTIONS ===== */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    background: rgba(124, 58, 237, 0.06);
    border: 1px solid rgba(124, 58, 237, 0.1);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
}

.section-subtitle {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    font-size: 0.95rem;
}

/* ===== ABOUT ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.93rem;
    line-height: 1.75;
}

.about-text strong {
    color: var(--accent-light);
    font-weight: 600;
}

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 28px 0;
}

.about-info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.about-info-item i {
    color: var(--accent-light);
    font-size: 0.95rem;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.info-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-weight: 600;
    font-size: 0.85rem;
}

.about-cta {
    margin-top: 8px;
}

/* Experience Cards */
.experience-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.exp-card {
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    position: relative;
}

.exp-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.php-icon {
    background: rgba(119, 97, 168, 0.1);
    color: #a78bfa;
}

.java-icon {
    background: rgba(6, 182, 212, 0.1);
    color: #22d3ee;
}

.sketch-icon {
    background: rgba(236, 72, 153, 0.1);
    color: #f472b6;
}

.exp-card h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.exp-card p {
    color: var(--text-secondary);
    font-size: 0.84rem;
    line-height: 1.55;
}

.exp-years {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent-secondary);
    background: rgba(6, 182, 212, 0.06);
    padding: 3px 10px;
    border-radius: 50px;
}

/* ===== SERVICES ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.service-card {
    padding: 32px;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.02);
    line-height: 1;
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 18px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.65;
    margin-bottom: 18px;
}

.service-features {
    list-style: none;
    margin-bottom: 18px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 0;
    font-size: 0.84rem;
    color: var(--text-secondary);
}

.service-features li i {
    color: var(--accent-secondary);
    font-size: 0.65rem;
}

.service-tech {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.service-tech span {
    padding: 3px 12px;
    background: rgba(124, 58, 237, 0.05);
    border: 1px solid rgba(124, 58, 237, 0.08);
    border-radius: 50px;
    font-size: 0.74rem;
    font-weight: 500;
    color: var(--accent-light);
}

/* ===== PROJECTS ===== */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.84rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #fff;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.project-card {
    overflow: hidden;
    padding: 0;
}

.project-card.hidden {
    display: none;
}

.project-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    font-weight: 500;
}

.project-placeholder i {
    font-size: 2rem;
    opacity: 0.5;
}

.php-bg {
    background: linear-gradient(135deg, #14101e 0%, #1e1540 100%);
}

.java-bg {
    background: linear-gradient(135deg, #0a1420 0%, #0c2830 100%);
}

.sketch-bg {
    background: linear-gradient(135deg, #160a1c 0%, #2a1035 100%);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(13, 13, 18, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: var(--transition);
}

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

.project-link {
    width: 42px;
    height: 42px;
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    transform: translateY(12px);
    transition: var(--transition);
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-info {
    padding: 20px;
}

.project-tags {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.project-tags span {
    padding: 2px 10px;
    background: rgba(124, 58, 237, 0.05);
    border-radius: 50px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.84rem;
    line-height: 1.55;
}

/* ===== SKILLS ===== */
.skills-showcase {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.skill-rings {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.skill-ring-item {
    text-align: center;
}

.skill-ring {
    width: 120px;
    height: 120px;
    position: relative;
    margin-bottom: 10px;
}

.skill-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.04);
    stroke-width: 6;
}

.ring-progress {
    fill: none;
    stroke: url(#ring-gradient);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 339.29;
    stroke-dashoffset: calc(339.29 - (339.29 * var(--percent)) / 100);
    transition: stroke-dashoffset 1.5s ease;
}

.ring-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.ring-content i {
    font-size: 1.3rem;
    color: var(--accent-light);
}

.ring-content span {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text-primary);
}

.skill-ring-item h4 {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Tech Stack Grid */
.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 12px;
    text-align: center;
}

.tech-item i {
    font-size: 1.6rem;
    color: var(--accent-light);
}

.tech-item span {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ===== STATS BAND ===== */
.stats-band {
    padding: 70px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item i {
    font-size: 1.5rem;
    color: var(--accent-light);
    margin-bottom: 10px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 32px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-card {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.contact-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-card h4 {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.contact-socials {
    margin-top: 8px;
}

.contact-socials h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 42px;
    height: 42px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.05rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

/* Contact Form */
.contact-form {
    padding: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.88rem;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 110px;
}

/* ===== FOOTER ===== */
.footer {
    padding: 64px 0 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-logo {
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    max-width: 280px;
    line-height: 1.65;
    margin-top: 12px;
}

.footer-links h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 5px 0;
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-light);
    padding-left: 6px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-bottom i {
    color: #ec4899;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 42px;
    height: 42px;
    background: var(--accent);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-2px);
    background: var(--accent-light);
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   RESPONSIVE — TABLET (max 1024px) 
   ========================================= */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: calc(var(--nav-height) + 48px);
        gap: 36px;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-description {
        text-align: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        flex: none;
        width: 100%;
        max-width: 380px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-stack-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* =========================================
   RESPONSIVE — MOBILE / ANDROID (max 768px) 
   ========================================= */
@media (max-width: 768px) {
    :root {
        --nav-height: 60px;
    }

    .container {
        padding: 0 16px;
    }

    .nav-logo {
        font-size: 1.2rem;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 260px;
        height: 100vh;
        height: 100dvh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        padding: 32px;
        transition: right 0.3s ease;
        border-left: 1px solid var(--border-color);
        z-index: 1000;
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-toggle {
        display: block;
    }

    .nav-link {
        font-size: 1rem;
        padding: 12px 20px;
        width: 100%;
        text-align: center;
    }

    .section {
        padding: 64px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .hero {
        min-height: auto;
        padding: calc(var(--nav-height) + 32px) 16px 48px;
        gap: 28px;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 5px 12px;
    }

    .hero-name {
        font-size: 2rem;
    }

    .hero-role {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.88rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        align-items: center;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
        max-width: 280px;
    }

    .hero-stats {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-stat-number {
        font-size: 1.4rem;
    }

    .hero-stat-divider {
        width: 1px;
        height: 28px;
    }

    .hero-visual {
        max-width: 100%;
    }

    .code-body {
        font-size: 0.72rem;
        padding: 14px;
    }

    .hero-scroll {
        display: none;
    }

    .about-info-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .services-grid {
        gap: 14px;
    }

    .service-card {
        padding: 24px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .project-image {
        height: 160px;
    }

    .skill-rings {
        gap: 24px;
    }

    .skill-ring {
        width: 100px;
        height: 100px;
    }

    .ring-content i {
        font-size: 1.1rem;
    }

    .ring-content span {
        font-size: 0.8rem;
    }

    .tech-stack-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .tech-item {
        padding: 16px 8px;
    }

    .tech-item i {
        font-size: 1.3rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 24px;
    }

    .footer-content {
        gap: 28px;
    }

    .footer {
        padding-top: 48px;
    }
}

/* =========================================
   RESPONSIVE — SMALL PHONES (max 400px)
   ========================================= */
@media (max-width: 400px) {
    .hero-name {
        font-size: 1.7rem;
    }

    .hero-role {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 12px;
    }

    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }

    .skill-rings {
        gap: 16px;
    }

    .skill-ring {
        width: 85px;
        height: 85px;
    }

    .tech-stack-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .social-links {
        flex-wrap: wrap;
    }

    .filter-btn {
        padding: 7px 14px;
        font-size: 0.78rem;
    }
}