/* ================= BASE & COLD PROFESSIONAL THEME ================= */
:root {
    /* Light Theme — Midnight Blue & Slate */
    --bg-color: #EEF4F8;
    --text-color: #0B2545;
    --text-muted: #4D6B80;
    --accent-color: #0B2545;
    --accent-hover: #1A3C5C;

    /* Solid Surfaces */
    --glass-bg: #FFFFFF;
    --glass-border: #8DA9C4;
    --glass-shadow: 0 1px 3px rgba(11, 37, 69, 0.08);

    /* Background */
    --hero-gradient: #EEF4F8;

    /* Spacing */
    --section-padding: 100px 20px;

    /* Muted Brand Tones */
    --html-color: #c2593e;
    --css-color: #4a7d96;
    --js-color: #c4a332;
    --react-color: #519aad;

    scroll-behavior: smooth;
}

[data-theme="dark"] {
    /* Dark Theme — Deep Midnight & Ice */
    --bg-color: #0B1A2C;
    --text-color: #E0E8F0;
    --text-muted: #7A94A8;
    --accent-color: #8DA9C4;
    --accent-hover: #A8C4D8;

    --glass-bg: #122238;
    --glass-border: #1E3550;
    --glass-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);

    --hero-gradient: #0B1A2C;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

body.loading-state {
    overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: var(--section-padding);
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
    color: var(--text-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 28px;
    height: 2px;
    background-color: var(--accent-color);
    border-radius: 1px;
    transition: width 0.3s ease;
}

/* ================= SCROLLBAR ================= */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background-color: var(--glass-border);
    border-radius: 8px;
    border: 2px solid var(--bg-color);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-muted);
}

/* ================= CURSOR GLOW — DISABLED ================= */
.cursor-glow {
    display: none;
}

/* ================= LOADING SCREEN ================= */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-text {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1px var(--glass-border);
    position: relative;
    font-family: 'Outfit', sans-serif;
    letter-spacing: 0.04em;
}

.loading-text::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: var(--accent-color);
    -webkit-text-stroke: 0;
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg width='200' height='1000' viewBox='0 0 200 1000' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M 0 50 Q 50 0 100 50 T 200 50 L 200 1000 L 0 1000 Z' fill='black'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg width='200' height='1000' viewBox='0 0 200 1000' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M 0 50 Q 50 0 100 50 T 200 50 L 200 1000 L 0 1000 Z' fill='black'/%3E%3C/svg%3E");
    -webkit-mask-size: 200px 1000px;
    mask-size: 200px 1000px;
    -webkit-mask-repeat: repeat-x;
    mask-repeat: repeat-x;
    animation: waveFill 2.5s ease-in-out forwards;
}

@keyframes waveFill {
    0% {
        -webkit-mask-position: 0px 200px;
        mask-position: 0px 200px;
    }

    100% {
        -webkit-mask-position: 250px -100px;
        mask-position: 250px -100px;
    }
}

/* ================= NAVBAR ================= */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    padding: 24px 20px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1100px;
    transition: all 0.3s ease;
}

.nav-logo i {
    font-size: 1.75rem;
    color: var(--text-color);
    transition: color 0.2s ease;
}

.nav-logo:hover i {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links li a {
    position: relative;
    font-size: 1.35rem;
    color: var(--text-muted);
    transition: color 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

/* Personality detail: thin elegant underline on nav hover */
.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1.5px;
    background-color: var(--accent-color);
    transition: width 0.25s ease, left 0.25s ease;
}

.nav-links li a:hover::after {
    width: 60%;
    left: 20%;
}

.tooltip {
    position: absolute;
    top: 100%;
    margin-top: 10px;
    font-size: 0.7rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    opacity: 0;
    transform: translateY(-4px);
    transition: all 0.2s ease;
    pointer-events: none;
    white-space: nowrap;
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--text-color);
}

.nav-links li a:hover .tooltip {
    opacity: 1;
    transform: translateY(0);
}

#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.35rem;
    color: var(--text-muted);
    transition: color 0.2s ease, transform 0.2s ease;
    display: flex;
    align-items: center;
}

#theme-toggle:hover {
    color: var(--text-color);
    transform: rotate(15deg);
}

/* Scrolled Navbar — the ONLY element with subtle blur */
#navbar.scrolled {
    padding: 12px 20px;
}

#navbar.scrolled .nav-container {
    background: color-mix(in srgb, var(--bg-color) 85%, transparent);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 8px 24px;
    box-shadow: var(--glass-shadow);
    max-width: 520px;
}

/* ================= HERO SECTION ================= */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 20px;
    background: var(--hero-gradient);
    /* Solid color, no gradient */
    overflow: hidden;
}

.hero-content {
    max-width: 680px;
    text-align: center;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.line-1 {
    font-weight: 300;
    font-size: 0.45em;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.line-2 {
    color: var(--accent-color);
    font-weight: 700;
    min-height: 1.25em;
}

.cursor {
    animation: blink 1.2s infinite;
    font-weight: 300;
    color: var(--text-muted);
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-bio {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ================= BUTTONS — Solid, Premium, No Glow ================= */
.btn {
    padding: 10px 22px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.88rem;
    font-family: 'Inter', sans-serif;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
    outline: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

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

[data-theme="dark"] .btn-primary {
    color: #0B1A2C;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
}

.btn-secondary:hover {
    border-color: var(--text-muted);
    transform: translateY(-1px);
}

/* ================= BACKGROUND ORBS — DISABLED ================= */
.hero-bg-elements {
    display: none;
}

.orb {
    display: none;
}

/* ================= ANIMATIONS ================= */
.fade-in {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    will-change: opacity, transform;
}

.fade-in.appear {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    will-change: opacity, transform;
}

.fade-in-up.appear {
    opacity: 1;
    transform: translateY(0);
}

/* ================= SKILLS SECTION ================= */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 32px;
}

.skill-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 24px;
    box-shadow: var(--glass-shadow);
    transition:
        opacity 0.6s ease,
        transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
        border-color 0.2s ease,
        box-shadow 0.25s ease;
    will-change: transform, opacity;
}

.skill-card:hover {
    transform: translateY(-10px) scale(1.1);
    border-color: var(--text-muted);
    box-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.skills-grid:has(.skill-card:hover) .skill-card:not(:hover) {
    transform: scale(0.94);
    opacity: 0.7;
}

.skills-grid:has(.skill-card:hover) .skill-card:hover ~ .skill-card {
    transform: scale(0.94) translateX(16px);
    opacity: 0.7;
}

.skill-info {
    display: flex;
    align-items: center;
    margin-bottom: 14px;
}

.skill-icon {
    font-size: 2rem;
    margin-right: 12px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.skill-icon-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    margin-right: 12px;
    border-radius: 4px;
    flex-shrink: 0;
}

.html-color {
    color: var(--html-color);
}

.css-color {
    color: var(--css-color);
}

.js-color {
    color: var(--js-color);
}

.react-color {
    color: var(--react-color);
}

.skill-name {
    font-weight: 500;
    font-family: 'Outfit', sans-serif;
    color: var(--text-color);
    flex-grow: 1;
    font-size: 0.95rem;
}

.skill-percent {
    font-weight: 600;
    color: var(--accent-color);
    margin-left: 0.5rem;
    font-size: 0.82rem;
}

.progress-bar-bg {
    width: 100%;
    height: 4px;
    background: var(--glass-border);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--accent-color);
    border-radius: 2px;
    width: 0%;
    transition: width 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

/* ================= PROJECTS SECTION ================= */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
}

.view-more-link {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.view-more-link i {
    margin-left: 4px;
    transition: transform 0.2s ease;
}

.view-more-link:hover {
    color: var(--accent-color);
}

.view-more-link:hover i {
    transform: translateX(3px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.project-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition:
        opacity 0.6s ease,
        border-color 0.2s ease,
        transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow 0.2s ease;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.1);
    border-color: var(--text-muted);
    box-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.projects-grid:has(.project-card:hover) .project-card:not(:hover) {
    transform: scale(0.94);
    opacity: 0.7;
}

.projects-grid:has(.project-card:hover) .project-card:hover ~ .project-card {
    transform: scale(0.94) translateX(16px);
    opacity: 0.7;
}

.project-img-wrapper {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--bg-color);
    border-bottom: 1px solid var(--glass-border);
}

.img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-muted);
    font-weight: 500;
    font-family: 'Outfit', sans-serif;
    letter-spacing: 1px;
    font-size: 0.82rem;
    text-transform: uppercase;
}

.project-links-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 20, 21, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

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

.project-links-overlay a {
    width: 42px;
    height: 42px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.15rem;
    transform: translateY(8px);
    transition:
        background-color 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease,
        transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-card:hover .project-links-overlay a {
    transform: translateY(0);
}

.project-links-overlay a:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.project-info {
    padding: 20px;
}

.project-title {
    font-size: 1.15rem;
    margin-bottom: 6px;
    color: var(--text-color);
}

.project-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.55;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.project-tags span {
    padding: 3px 10px;
    background: var(--bg-color);
    color: var(--text-muted);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 500;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.project-tags span:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* ================= CERTIFICATIONS SECTION ================= */
.cert-highlight {
    max-width: 800px;
    margin: 0 auto;
}

.cert-card {
    position: relative;
    display: flex;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    align-items: center;
    transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.2s ease, box-shadow 0.2s ease;
}

.cert-card:hover {
    transform: translateY(-10px) scale(1.1);
    border-color: var(--text-muted);
    box-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.cert-img-placeholder {
    width: 260px;
    height: 180px;
    background: var(--bg-color);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 16px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.cert-img-placeholder i {
    font-size: 2.25rem;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.cert-details {
    padding: 24px;
    flex: 1;
}

.cert-details h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
    color: var(--text-color);
}

.cert-details p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
}

.cert-card .cert-img-placeholder.has-image {
    position: relative;
    cursor: zoom-in;
}

.cert-card .cert-img-placeholder.has-image::after {
    content: "Enlarge";
    position: absolute;
    right: 8px;
    bottom: 8px;
    background: rgba(20, 20, 21, 0.7);
    color: #e8e6e3;
    font-size: 0.68rem;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.cert-card .cert-img-placeholder.has-image:hover::after {
    opacity: 1;
}

/* Lightbox */
.cert-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(20, 20, 21, 0.95);
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.cert-lightbox.active {
    display: flex;
}

.cert-lightbox-content {
    max-width: min(1000px, 92vw);
    max-height: 85vh;
    position: relative;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    overflow: hidden;
    background: #141415;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

#cert-lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    display: block;
}

.cert-lightbox-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid #2a2a2d;
    background: #1c1c1e;
    color: #e8e6e3;
    cursor: pointer;
    z-index: 2;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease;
}

.cert-lightbox-close:hover {
    border-color: var(--accent-color);
}

/* ================= CONTACT / SOCIAL ================= */
.contact-section {
    text-align: center;
}

.contact-subtitle {
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    font-size: 0.95rem;
}

.social-dock {
    display: inline-flex;
    gap: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 12px 20px;
    border-radius: 12px;
    box-shadow: var(--glass-shadow);
}

.social-btn {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.4rem;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.social-btn:hover {
    color: var(--text-color);
    border-color: var(--glass-border);
    background: var(--bg-color);
    transform: translateY(-2px);
}

/* WhatsApp online indicator */
.social-btn.whatsapp::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 7px;
    height: 7px;
    background-color: #4ade80;
    border-radius: 50%;
    border: 1.5px solid var(--glass-bg);
}

.social-tooltip {
    position: absolute;
    top: -34px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    font-size: 0.68rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 4px;
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
}

.social-btn:hover .social-tooltip {
    opacity: 1;
    transform: translateY(0);
}

/* ================= FOOTER ================= */
footer {
    text-align: center;
    padding: 24px 0;
    margin-top: 40px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.82rem;
}

footer i {
    color: var(--accent-color);
}

/* ================= PAGE ENTRANCE ================= */
body.loading-state #main-content,
body.loading-state footer {
    opacity: 0;
    transform: translateY(16px);
}

#main-content,
footer {
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {
    .section-padding {
        padding: 60px 20px;
    }

    .section-title {
        font-size: 1.85rem;
        margin-bottom: 1.5rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    #navbar {
        padding: 16px;
    }

    #navbar.scrolled .nav-container {
        padding: 8px 16px;
    }

    .nav-links {
        gap: 16px;
    }

    .nav-links li a span {
        display: none;
    }

    /* Remove underline effect on mobile — touch targets don't hover */
    .nav-links li a::after {
        display: none;
    }

    .cert-card {
        flex-direction: column;
    }

    .cert-img-placeholder {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }

    .social-dock {
        flex-wrap: wrap;
        justify-content: center;
        padding: 16px;
    }
}