/* Self-hosted EB Garamond (400, 500) */
@font-face {
    font-family: 'EB Garamond';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('assets/fonts/ebgaramond/EBGaramond-400.ttf') format('truetype');
}

@font-face {
    font-family: 'EB Garamond';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('assets/fonts/ebgaramond/EBGaramond-500.ttf') format('truetype');
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    overflow: hidden;
    height: 100%;
    height: 100dvh;
}

:root {
    /* Colors */
    --blue: #1DACD6;
    --red: #FF5349;
    --green: #76FF7A;
    --yellow: #FFCF48;
    --purple: #C364C5;
    --orange: #FF8833;
    --mint: #71EEB8;
    --gold: #FCD667;
    --pink: #FF9999;
    --head-color: #00ff00;
    --linkedin-glow-gradient: linear-gradient(90deg, var(--blue), var(--red), var(--green), var(--yellow), var(--purple), var(--orange), var(--mint), var(--gold), var(--pink), var(--blue));

    /* Responsive typography (mobile-first) */
    --font-size-name: 3.5rem;

    /* Layout */
    --head-container-height: 25vh;
    --head-container-margin: calc(var(--head-container-height) * -0.06);
}

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    height: 100dvh;
    /* Use dynamic viewport height for mobile */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: black;
    color: white;
    font-family: 'EB Garamond', serif;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    position: fixed;
    /* Prevent mobile browser UI from affecting layout */
    width: 100%;
}

/* State toggle controls for testing - set to display: none for publishing */
#state-toggle {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px;
    border-radius: 5px;
    border: 1px solid var(--head-color);
    color: var(--head-color);
    font-family: monospace;
    z-index: 10;
    display: none;
    flex-direction: column;
    gap: 5px;
}

#state-toggle h3 {
    margin: 0 0 5px 0;
    font-size: 14px;
    text-align: center;
}

#state-toggle button {
    background: black;
    color: var(--head-color);
    border: 1px solid var(--head-color);
    cursor: pointer;
    padding: 5px;
    transition: all 0.2s;
    font-family: monospace;
}

#state-toggle button:hover {
    background: var(--head-color);
    color: black;
}

#state-toggle button.active {
    background: var(--head-color);
    color: black;
    font-weight: bold;
}

/* Head canvas container - extends to top for animation overflow */
#head-container {
    width: 100%;
    height: var(--head-container-height);
    position: relative;
    margin-bottom: var(--head-container-margin);
    overflow: visible;
}

#head-container canvas {
    display: block;
    position: absolute;
    bottom: 0;
    /* Anchor to bottom so extra space is above */
    left: 0;
    width: 100%;
    /* Pre-allocate extended height to prevent CLS (matches CANVAS_TOP_EXTENSION: 0.25) */
    height: calc(var(--head-container-height) * 1.25);
}

.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.name {
    font-size: var(--font-size-name);
    font-weight: 500;
    line-height: 0.9;
    margin: 0;
    padding: 0;
    text-rendering: optimizeLegibility;
    font-kerning: normal;
    letter-spacing: 0.03em;
    -webkit-font-smoothing: antialiased;
    will-change: opacity;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.first-name,
.last-name {
    display: flex;
    justify-content: center;
}

.first-name {
    margin-bottom: 0.05em;
}

@keyframes letterGlow {
    0% {
        text-shadow: none;
    }

    50% {
        text-shadow:
            0 0 1px rgba(255, 255, 255, 0.2),
            0 0 2px rgba(255, 255, 255, 0.15);
    }

    100% {
        text-shadow: none;
    }
}

.letter {
    position: relative;
    display: inline-block;
    opacity: 1;

    animation: letterGlow 1.6s ease-out forwards;
    /* animation-delay set per letter class below */

    /* Use text-shadow only (no transforms) for better text rendering quality */
    will-change: text-shadow;
    backface-visibility: hidden;
    contain: layout;
}

.letter-p {
    margin-right: -0.05rem;
    color: var(--blue);
    animation-delay: 0.1s;
}

.letter-e1 {
    margin-left: -0.07rem;
    margin-right: -0.06rem;
    color: var(--red);
    animation-delay: 0.3s;
}

.letter-t {
    margin-left: -0.085rem;
    margin-right: -0.06rem;
    color: var(--green);
    animation-delay: 0.5s;
}

.letter-e2 {
    margin-left: -0.075rem;
    margin-right: -0.06rem;
    color: var(--yellow);
    animation-delay: 0.7s;
}

.letter-r {
    margin-left: -0.08rem;
    color: var(--purple);
    animation-delay: 0.9s;
}

.letter-m {
    margin-right: -0.05rem;
    color: var(--orange);
    animation-delay: 1.1s;
}

.letter-u {
    margin-left: -0.07rem;
    margin-right: -0.06rem;
    color: var(--mint);
    animation-delay: 1.3s;
}

.letter-s {
    margin-left: -0.085rem;
    margin-right: -0.06rem;
    color: var(--gold);
    animation-delay: 1.5s;
}

.letter-e3 {
    margin-left: -0.075rem;
    color: var(--pink);
    animation-delay: 1.7s;
}


.name-container {
    opacity: 1;
    height: auto;
    width: 100%;
    text-align: center;
}

.linkedin-container {
    opacity: 0;
    animation: fadeInLinkedIn 1s ease-in-out forwards;
    animation-delay: 1.5s;
    margin-top: 2rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.linkedin-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--linkedin-glow-gradient);
    background-size: 200%;
    border-radius: 10%;
    opacity: 0;
    filter: blur(8px);
    z-index: -1;
    transition: opacity 0.3s ease;
}

.linkedin-container:hover .linkedin-glow {
    opacity: 0.7;
    animation: glowAnimate 4s linear infinite;
}

.linkedin-svg {
    width: 3rem;
    height: 3rem;
    fill: white;
    transition: transform 0.3s ease;
    z-index: 2;
}

.linkedin-container:hover .linkedin-svg {
    transform: scale(1.05);
}

@keyframes glowAnimate {
    0% {
        background-position: 0%;
    }

    100% {
        background-position: 200%;
    }
}

@keyframes fadeInLinkedIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@keyframes breatheGlow {
    0% {
        filter: brightness(1) blur(0px);
    }

    50% {
        filter: brightness(1.05) blur(0.3px);
    }

    100% {
        filter: brightness(1) blur(0px);
    }
}

/* Keyboard accessibility */
#head-container:focus-visible {
    outline: 2px solid var(--head-color);
    outline-offset: -2px;
}

.linkedin-container a:focus-visible {
    outline: 2px solid var(--head-color);
    outline-offset: 4px;
    border-radius: 4px;
}

/* ===========================================
   RESPONSIVE BREAKPOINTS (Mobile-First)
   Base: 0-479px (mobile portrait)
   sm: 480px+ (large phones)
   md: 768px+ (tablets)
   lg: 1200px+ (desktops)
   =========================================== */

/* sm: Large phones (480px+) */
@media (min-width: 480px) {
    :root {
        --font-size-name: 4rem;
        --head-container-height: 27vh;
        --head-container-margin: calc(var(--head-container-height) * -0.07);
    }
}

/* md: Tablets (768px+) */
@media (min-width: 768px) {
    :root {
        --font-size-name: 4.5rem;
        --head-container-height: 29vh;
        --head-container-margin: calc(var(--head-container-height) * -0.08);
    }
}

/* lg: Desktops (1200px+) */
@media (min-width: 1200px) {
    :root {
        --font-size-name: 5.2rem;
        --head-container-height: 32vh;
        --head-container-margin: calc(var(--head-container-height) * -0.09);
    }
}

/* Special case: Phone landscape (short + wide screens) */
@media (max-height: 500px) and (orientation: landscape) {
    :root {
        --font-size-name: 2.8rem;
        --head-container-height: 28vh;
        --head-container-margin: calc(var(--head-container-height) * -0.07);
    }

    .linkedin-container {
        margin-top: 0.5rem;
    }
}

/* Accessibility: Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .letter {
        animation: none;
        opacity: 1;
    }

    .linkedin-container {
        animation: none;
        opacity: 1;
    }

    .linkedin-svg {
        animation: none;
    }
}