/* ===== Base Reset ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #07090f;
    --bg-elev: #0f1422;
    --bg-soft: #121a2c;
    --text: #eef2f7;
    --text-muted: #98a1b3;
    --accent: #f97316;
    --accent-2: #fbbf24;
    --accent-3: #ef4444;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: rgba(8, 12, 20, 0.6);
    --glow: rgba(249, 115, 22, 0.22);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Space Grotesk', 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

[data-theme="light"] {
    --bg: #f7f8fb;
    --bg-elev: #ffffff;
    --bg-soft: #eef1f6;
    --text: #0b1320;
    --text-muted: #5b6575;
    --accent: #ea580c;
    --accent-2: #f59e0b;
    --accent-3: #dc2626;
    --border: rgba(9, 15, 27, 0.08);
    --shadow: rgba(15, 23, 42, 0.12);
    --glow: rgba(234, 88, 12, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    letter-spacing: -0.01em;
    min-height: 100vh;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

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

.hidden {
    display: none !important;
}

/* ===== Ambient Background ===== */
.bg-effects {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.bg-orb {
    position: absolute;
    width: 460px;
    height: 460px;
    background: radial-gradient(circle at 30% 30%, var(--accent), transparent 60%);
    opacity: 0.22;
    filter: blur(10px);
    animation: orbFloat 14s ease-in-out infinite;
}

.orb-1 {
    top: -120px;
    left: -100px;
}

.orb-2 {
    right: -120px;
    top: 20vh;
    background: radial-gradient(circle at 30% 30%, var(--accent-3), transparent 60%);
    animation-delay: -4s;
}

.orb-3 {
    bottom: -180px;
    left: 20vw;
    background: radial-gradient(circle at 50% 50%, var(--accent-2), transparent 60%);
    animation-delay: -8s;
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(circle at 40% 20%, black 0%, transparent 70%);
    opacity: 0.5;
}

.bg-noise {
    position: absolute;
    inset: 0;
    opacity: 0.25;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="160" height="160" viewBox="0 0 160 160"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="2" stitchTiles="stitch"/></filter><rect width="160" height="160" filter="url(%23n)" opacity="0.25"/></svg>');
    mix-blend-mode: soft-light;
}

.main-content {
    position: relative;
    z-index: 1;
}

.container {
    width: min(1120px, 90vw);
    margin: 0 auto;
}

.section {
    padding: 120px 0;
}

.section-header {
    display: grid;
    gap: 12px;
    margin-bottom: 40px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-subtitle {
    color: var(--text-muted);
    max-width: 560px;
}

/* ===== Header + Nav ===== */
.header {
    position: fixed;
    top: clamp(8px, 2vw, 24px);
    left: 0;
    right: 0;
    z-index: 20;
    padding: 0 clamp(16px, 4vw, 32px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(12px, 2vw, 20px);
    max-width: min(900px, 92vw);
    width: 100%;
    background: color-mix(in srgb, var(--bg-elev) 70%, transparent);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: clamp(8px, 1.5vw, 12px) clamp(14px, 2vw, 20px);
    box-shadow: 0 20px 60px var(--shadow);
    backdrop-filter: blur(14px);
    z-index: 11;
}

.header.scrolled .nav {
    background: color-mix(in srgb, var(--bg-elev) 90%, transparent);
    box-shadow: 0 26px 70px var(--shadow);
}

[data-theme="light"] .header.scrolled .nav {
    background: rgba(255, 255, 255, 0.9);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-link .nav-icon {
    display: grid;
    place-items: center;
}

.nav-link.active,
.nav-link:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 1px var(--border), 0 0 20px var(--glow);
}

.theme-toggle {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    padding: 8px 12px;
    border-radius: 999px;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    box-shadow: 0 0 20px var(--glow);
}

.theme-toggle-icon-sun {
    display: none;
}

[data-theme="light"] .theme-toggle-icon-sun {
    display: inline-flex;
}

[data-theme="light"] .theme-toggle-icon-moon {
    display: none;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    transition: var(--transition);
    flex-direction: column;
}

.menu-toggle {
    position: absolute;
    left: 24px;
}

.menu-toggle-line {
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 999px;
}

.nav-overlay {
    display: none;
}

/* ===== Hero ===== */
.hero-section {
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: clamp(100px, 18vh, 180px);
    padding-bottom: clamp(40px, 8vh, 80px);
    display: flex;
    align-items: center;
}

.authority-section {
    padding-top: 0;
}

.authority-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    display: grid;
    gap: 16px;
    box-shadow: 0 20px 50px var(--shadow);
}

.authority-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}

.authority-list {
    list-style: none;
    display: grid;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
}

.authority-list li {
    position: relative;
    padding-left: 20px;
}

.authority-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.cta-section {
    padding-top: 40px;
}

.cta-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 20px 50px var(--shadow);
}

.cta-title {
    font-size: clamp(24px, 3.6vw, 32px);
    font-weight: 600;
    color: var(--text);
}
.hero-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
    align-items: center;
}

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 700;
    line-height: 1.05;
}

.hero-title span {
    display: inline-block;
}

.hero-subtitle {
    font-family: var(--font-mono);
    color: var(--accent);
    margin: 16px 0 20px;
    font-size: 15px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero-value {
    margin: -8px 0 18px;
    color: var(--text);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.typing-text {
    display: inline-flex;
    gap: 4px;
}

.hero-description {
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 28px;
}

.hero-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}

.hero-stack-item {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 14px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.25), transparent 70%);
    transform: translateX(-120%);
    transition: transform 600ms ease;
}

.btn:hover::after {
    transform: translateX(120%);
}

.btn-outline {
    border-color: var(--border);
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.btn-outline:hover {
    box-shadow: 0 0 30px var(--glow);
}

.btn-solid,
.btn-cta {
    background: linear-gradient(120deg, var(--accent), var(--accent-3));
    color: #051019;
    border-color: transparent;
    box-shadow: 0 10px 30px var(--glow);
}

.btn-solid:hover,
.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px var(--glow);
}

.btn-arrow {
    font-size: 18px;
}

.btn-icon {
    font-size: 16px;
}

.social-section {
    display: grid;
    gap: 12px;
}

.social-title {
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--text);
    box-shadow: 0 0 30px var(--glow);
}

/* ===== Code Panel ===== */
.code-3d-container {
    perspective: 1200px;
    position: relative;
}

.code-3d-shadow {
    position: absolute;
    inset: 10% 12% auto;
    height: 70%;
    background: radial-gradient(circle, var(--glow), transparent 65%);
    filter: blur(30px);
    z-index: 0;
}

.code-3d-panel {
    background: linear-gradient(160deg, rgba(16, 22, 40, 0.9), rgba(7, 10, 18, 0.95));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0;
    overflow: hidden;
    transform: rotateY(-14deg) rotateX(10deg);
    transition: transform 120ms ease-out;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(12px);
    will-change: transform;
}

.code-3d-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.code-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
}

.code-dot-red {
    background: #ff5f57;
}

.code-dot-yellow {
    background: #febc2e;
}

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

.code-3d-body {
    padding: 18px;
    font-family: var(--font-mono);
    font-size: 13px;
    display: grid;
    gap: 6px;
    color: #d7e1ff;
}

.code-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 6px 0;
}

.code-prompt,
.code-command,
.code-operator,
.code-punctuation,
.code-property {
    color: #c6d1ea;
}

.code-line-secondary {
    color: #7d88a5;
}

.code-highlight {
    color: var(--accent);
}

.code-keyword {
    color: #78d7ff;
}

.code-variable {
    color: #9fe870;
}

.code-string {
    color: #ffc857;
}

.code-array {
    color: #c0a7ff;
}

.code-comment {
    color: #5b677f;
}

.code-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--accent);
    animation: blink 1s infinite;
}

/* ===== About ===== */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
    align-items: center;
}

.about-image {
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: center;
}

.image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 14px;
    background: linear-gradient(130deg, var(--glow), rgba(0, 0, 0, 0));
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px var(--shadow);
    margin-top: 0;
    transform: translateY(108px);
}

.about-photo {
    border-radius: var(--radius-md);
    object-fit: cover;
    width: 100%;
    height: 380px;
}

.about-text {
    display: grid;
    gap: 16px;
}

.about-name {
    font-size: 24px;
}

.about-bio {
    color: var(--text-muted);
}

.about-details {
    display: grid;
    gap: 18px;
}

.detail-section {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
}

.detail-section h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.detail-item strong {
    display: block;
    margin-bottom: 4px;
}

.detail-item + .detail-item {
    margin-top: 14px;
}

.detail-meta {
    color: var(--text-muted);
    font-size: 13px;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
}

/* ===== Projects & Services ===== */
.projects-grid,
.services-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.project-card,
.service-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 50px var(--shadow);
    transition: var(--transition);
}

.project-card[data-link] {
    cursor: pointer;
}

.project-card:hover,
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 60px var(--shadow);
}

.project-image {
    height: 200px;
    overflow: hidden;
    display: block;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 500ms ease;
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-content,
.service-card {
    padding: 20px;
}

.project-title,
.service-title {
    font-size: 20px;
    margin-bottom: 8px;
}

.project-description,
.service-description {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.project-tag {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.project-links {
    display: flex;
    gap: 12px;
}

.project-link {
    font-weight: 600;
    color: var(--accent);
}

.service-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    margin-bottom: 14px;
    color: var(--accent);
}

.services-cta {
    margin-top: 32px;
}

/* ===== FOOTER ===== */
.footer {
    padding: 3rem 2rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-page);
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    opacity: 0.6;
    margin: 0;
    letter-spacing: 0.02em;
}

[data-theme="light"] .footer-text {
    opacity: 0.5;
}

/* ===== WhatsApp ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    height: 56px;
    width: 56px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0;
    color: #03110d;
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    box-shadow: 0 20px 40px var(--glow);
    z-index: 20;
    transition: var(--transition);
    overflow: hidden;
    transform-origin: right center;
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    margin: 0;
}

.whatsapp-label {
    position: absolute;
    right: 56px;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.01em;
    max-width: 0;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: translateY(-4px);
    width: 240px;
    justify-content: flex-end;
    padding: 0 16px 0 14px;
}

.whatsapp-float:hover .whatsapp-label {
    max-width: 220px;
    opacity: 1;
    transform: translateX(0);
}

/* ===== Scroll Animations ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(18px);
    transition: 700ms ease;
}

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

/* ===== Keyframes ===== */
@keyframes orbFloat {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    50% {
        transform: translateY(40px) translateX(20px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes letterPop {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes wordFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .header {
        top: 0;
        padding: 12px 16px;
    }

    .nav {
        border-radius: var(--radius-lg);
        padding: 12px 16px;
    }

    .menu-toggle {
        display: inline-flex;
        left: 16px;
    }

    .nav-link span:last-child {
        display: none;
    }

    .nav {
        gap: 8px;
    }
}

@media (max-width: 720px) {
    .nav {
        position: fixed;
        top: 80px;
        right: 16px;
        flex-direction: column;
        align-items: flex-start;
        padding: 18px;
        border-radius: var(--radius-lg);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: var(--transition);
    }

    .nav.active {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-link span:last-child {
        display: inline;
    }

    .nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(4, 6, 12, 0.5);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        z-index: 10;
    }

    .nav-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    .hero-section {
        padding-top: clamp(100px, 22vh, 160px);
    }

    .hero-image {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .authority-card {
        padding: 22px 20px;
    }

    .cta-card {
        padding: 24px 20px;
        gap: 14px;
    }

    .about-photo {
        height: 320px;
    }
}

@media (max-width: 520px) {
    .section {
        padding: 90px 0;
    }

    .header {
        padding: 10px 12px;
    }

    .nav {
        left: 12px;
        right: 12px;
    }

    .whatsapp-float {
        right: 16px;
        bottom: 16px;
        width: 56px;
        padding: 0;
    }

    .whatsapp-label {
        display: none;
    }
}