:root {
    --bg-primary: #050505;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #141414;
    --text-main: #ffffff;
    --text-muted: #a3a3a3;
    --border-color: #262626;
    --accent-red: #D71921;
    --dot-color: #262626;
    --card-hover: rgba(255, 255, 255, 0.03);
    --glitch-shadow: cyan;
}

html.light-mode {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e5e5e5;
    --text-main: #171717;
    --text-muted: #525252;
    --border-color: #d4d4d4;
    --accent-red: #D71921;
    --dot-color: #d1d1d1;
    --card-hover: rgba(0, 0, 0, 0.03);
    --glitch-shadow: #ff00ff;
}

/* =========================================================
   SIS FONT
   IMPORTANT:
   If this CSS file is inside /css/ and the font is inside
   /style/, the correct path is ../style/
   ========================================================= */

@font-face {
    font-family: 'Sis';
    src: url('../style/Sis.woff2') format('woff2'),
         url('../style/Sis.woff') format('woff'),
         url('../style/Sis.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* =========================================================
   GLOBAL
   ========================================================= */

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    transition:
        background-color 0.3s ease,
        color 0.3s ease;
    cursor: auto;
    overflow-x: hidden;
    min-height: 100vh;
}

body.mouse-active {
    cursor: none;
}

/* =========================================================
   SIS FONT ELEMENTS
   ========================================================= */

h1,
h2,
h3,
h4,
h5,
h6,
.brand-font,
.ndot-font,
button,
.nav-link {
    font-family: 'Sis', 'DotGothic16', sans-serif !important;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.roboto-font {
    font-family: 'Roboto', sans-serif !important;
}

/* Force Sis font to remain available on all screen sizes */
@media screen and (max-width: 1024px) {
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    .brand-font,
    .ndot-font,
    button,
    .nav-link {
        font-family: 'Sis', 'DotGothic16', sans-serif !important;
    }
}

@media screen and (max-width: 768px) {
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    .brand-font,
    .ndot-font,
    button,
    .nav-link {
        font-family: 'Sis', 'DotGothic16', sans-serif !important;
    }
}

@media screen and (max-width: 480px) {
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    .brand-font,
    .ndot-font,
    button,
    .nav-link {
        font-family: 'Sis', 'DotGothic16', sans-serif !important;
    }
}

/* =========================================================
   SELECTION
   ========================================================= */

::selection {
    background: var(--accent-red);
    color: #ffffff;
}

/* =========================================================
   THEME HELPERS
   ========================================================= */

.border-theme {
    border-color: var(--border-color);
}

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

.bg-theme-tertiary {
    background-color: var(--bg-tertiary);
}

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

/* =========================================================
   CUSTOM CURSOR
   ========================================================= */

#cursor-dot,
#cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
    display: none;
}

body.mouse-active #cursor-dot,
body.mouse-active #cursor-outline {
    display: block;
}

#cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-red);
}

#cursor-outline {
    width: 40px;
    height: 40px;
    border: 1px dotted var(--text-main);
    transition:
        width 0.2s ease,
        height 0.2s ease,
        border-color 0.3s ease;
}

@media (hover: none) and (pointer: coarse) {
    #cursor-dot,
    #cursor-outline {
        display: none !important;
    }

    body.mouse-active {
        cursor: auto !important;
    }
}

/* =========================================================
   GLYPH BACKGROUND
   ========================================================= */

#glyph-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
    pointer-events: none;
}

/* =========================================================
   THEME TOGGLE
   ========================================================= */

.toggle-switch {
    width: 50px;
    height: 26px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    position: relative;
    cursor: pointer;
    transition:
        background-color 0.3s ease,
        border-color 0.3s ease;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background-color: var(--text-main);
    border-radius: 50%;
    transition:
        transform 0.3s ease,
        background-color 0.3s ease;
}

html.light-mode .toggle-switch::after {
    transform: translateX(24px);
    background-color: var(--accent-red);
}

/* =========================================================
   GLITCH
   ========================================================= */

.glitch-text:hover {
    animation: glitch 0.3s cubic-bezier(.25, .46, .45, .94) both infinite;
    color: var(--accent-red);
    text-shadow:
        2px 0 var(--glitch-shadow),
        -2px 0 var(--accent-red);
}

@keyframes glitch {
    0% {
        transform: translate(0);
    }

    20% {
        transform: translate(-2px, 2px);
    }

    40% {
        transform: translate(-2px, -2px);
    }

    60% {
        transform: translate(2px, 2px);
    }

    80% {
        transform: translate(2px, -2px);
    }

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

/* =========================================================
   FLOATING ANIMATION
   ========================================================= */

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

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

.float-anim {
    animation: float 6s ease-in-out infinite;
}

.float-anim:nth-child(even) {
    animation-delay: 1s;
}

.float-anim:nth-child(3n) {
    animation-delay: 2s;
}

/* =========================================================
   HOVER CARDS
   ========================================================= */

.hover-card {
    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        background-color 0.3s ease,
        opacity 0.3s ease;
    border: 1px solid var(--border-color);
}

.hover-card:hover {
    transform: scale(1.03) translateY(-5px);
    border-color: var(--text-muted);
    background-color: var(--card-hover);
}

.card-dimmed {
    opacity: 0.3;
    filter: grayscale(100%);
}

/* =========================================================
   AVATAR
   ========================================================= */

.avatar-container {
    position: relative;
    display: inline-block;
}

.avatar-frame {
    border: 1px dashed var(--border-color);
    transition:
        border-color 0.5s ease,
        border-style 0.5s ease;
}

.avatar-container:hover .avatar-frame {
    border-color: var(--accent-red);
    border-style: solid;
}

/* =========================================================
   SCROLL REVEAL
   ========================================================= */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.8s ease-out,
        transform 0.8s ease-out;
}

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

/* =========================================================
   TECHNOLOGY MARQUEE
   ========================================================= */

.tech-marquee {
    overflow: hidden;
    position: relative;
    width: 100%;
}

.tech-track {
    display: flex;
    width: max-content;
    animation: tech-scroll 40s linear infinite;
}

.tech-item {
    font-size: 1.75rem;
    margin: 0 2rem;
    color: var(--text-muted);
    opacity: 0.6;
    transition:
        color 0.3s ease,
        opacity 0.3s ease,
        transform 0.3s ease;
}

.tech-item:hover {
    color: var(--text-main);
    opacity: 1;
    transform: scale(1.1);
}

@keyframes tech-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* =========================================================
   CERTIFICATE CARDS
   ========================================================= */

.cert-card {
    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        background-color 0.3s ease;

    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    border-radius: 0.75rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.cert-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--text-muted);
    background-color: var(--card-hover);
}

.cert-preview-frame {
    width: 100%;
    min-height: 220px;
    background:
        radial-gradient(
            circle at center,
            rgba(215, 25, 33, 0.08) 0%,
            rgba(20, 20, 20, 0.8) 100%
        );

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    padding: 1rem;
}

html.light-mode .cert-preview-frame {
    background:
        radial-gradient(
            circle at center,
            rgba(215, 25, 33, 0.05) 0%,
            rgba(240, 240, 240, 0.9) 100%
        );
}

.cert-preview-frame img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

.cert-preview-frame iframe {
    width: 100%;
    height: 100%;
    min-height: 220px;
    border: 0;
}

/* =========================================================
   MEDIA / ENTERTAINMENT CARDS
   ========================================================= */

.favorite-card {
    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        background-color 0.3s ease;

    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    border-radius: 0.75rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.favorite-card:hover {
    transform: translateY(-6px) scale(1.03);
    border-color: var(--text-muted);
    background-color: var(--card-hover);
}

.image-container {
    display: flex;
    align-items: center;
    justify-content: center;

    padding: 1rem;

    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);

    position: relative;
    transition: border-color 0.3s ease;

    height: 280px;
}

html.light-mode .image-container {
    background-color: rgba(0, 0, 0, 0.05);
}

.favorite-card:hover .image-container {
    border-color: var(--accent-red);
}

.image-container img {
    max-height: 250px;
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 0.5rem;
    position: relative;
    z-index: 10;
}

/* =========================================================
   MODAL
   ========================================================= */

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* =========================================================
   MOBILE
   ========================================================= */

@media screen and (max-width: 768px) {
    body {
        overflow-x: hidden;
    }

    #glyph-canvas {
        opacity: 0.22;
    }

    .tech-item {
        font-size: 1.25rem;
        margin: 0 1rem;
    }

    .image-container {
        height: 250px;
    }

    .image-container img {
        max-height: 220px;
    }

    .cert-preview-frame {
        min-height: 200px;
    }
}

/* =========================================================
   SMALL MOBILE
   ========================================================= */

@media screen and (max-width: 480px) {
    .tech-item {
        font-size: 1.1rem;
        margin: 0 0.75rem;
    }

    .image-container {
        height: 230px;
        padding: 0.75rem;
    }

    .image-container img {
        max-height: 205px;
    }

    .cert-preview-frame {
        min-height: 180px;
        padding: 0.75rem;
    }

    .toggle-switch {
        width: 46px;
        height: 24px;
    }

    .toggle-switch::after {
        width: 16px;
        height: 16px;
    }

    html.light-mode .toggle-switch::after {
        transform: translateX(22px);
    }
}

/* =========================================================
   TABLET
   ========================================================= */

@media screen and (min-width: 769px) and (max-width: 1024px) {
    #glyph-canvas {
        opacity: 0.25;
    }

    .cert-preview-frame {
        min-height: 210px;
    }

    .image-container {
        height: 260px;
    }
}

/* =========================================================
   ACCESSIBILITY
   ========================================================= */

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-red);
    outline-offset: 3px;
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}