/* =========================================================
   ABOUT PAGE
   ========================================================= */

.about-page {
    position: relative;
    padding-top: var(--nav-h);
}

/* =========================================================
   ABOUT HERO
   ========================================================= */
.about-hero {
    padding: 60px 0 100px;
    overflow: hidden;
}

.about-hero__grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 80px;
    align-items: center;
}

/* ---------- LEFT ---------- */
.about-hero__left {
    position: relative;
    z-index: 2;
}

.about-hero__title {
    font-size: clamp(2rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin: 22px 0 26px;
}

.about-hero__title em {
    font-style: normal;
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-hero__desc {
    font-size: 1.05rem;
    color: var(--text-1);
    line-height: 1.75;
    max-width: 540px;
    margin-bottom: 30px;
}

.about-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 22px;
    margin-bottom: 34px;
}

.about-hero__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 0.86rem;
    color: var(--text-1);
}

.about-hero__meta-item i {
    color: var(--accent);
    font-size: 0.85rem;
}

.about-hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* ---------- RIGHT VISUAL ---------- */
.about-hero__right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-hero__visual {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    transition: transform 0.4s var(--ease);
    will-change: transform;
}

.about-hero__photo-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
}

.about-hero__photo-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px dashed rgba(0, 229, 255, 0.25);
    animation: ringSpin 30s linear infinite;
}

.about-hero__photo-ring--2 {
    inset: 8%;
    border-style: solid;
    border-color: rgba(168, 85, 247, 0.25);
    animation-duration: 22s;
    animation-direction: reverse;
}

.about-hero__photo {
    position: relative;
    z-index: 2;
    width: 68%;
    aspect-ratio: 1;
    border-radius: 50%;
    padding: 6px;
    background: conic-gradient(from 0deg, var(--accent), var(--accent-3), var(--accent-2), var(--accent));
    box-shadow: 0 24px 70px rgba(0, 229, 255, 0.28);
    animation: ringSpin 14s linear infinite;
}

.about-hero__photo img,
.about-hero__photo-placeholder {
    position: absolute;
    inset: 6px;
    border-radius: 50%;
    overflow: hidden;
    width: auto;
    height: auto;
    object-fit: cover;
    animation: chipCounterSpin 14s linear infinite;
}

.about-hero__photo img {
    width: calc(100% - 12px);
    height: calc(100% - 12px);
    top: 6px;
    left: 6px;
}

.about-hero__photo-placeholder {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: radial-gradient(circle at center, var(--bg-3), var(--bg-1));
    top: 6px;
    left: 6px;
    width: calc(100% - 12px);
    height: calc(100% - 12px);
}

.about-hero__photo--placeholder .about-hero__photo-placeholder {
    display: flex;
}

.about-hero__photo-placeholder span {
    font-size: 2.4rem;
    font-weight: 800;
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-hero__photo-placeholder small {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--text-2);
}

.about-hero__photo-shine {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(120deg, transparent 35%, rgba(255, 255, 255, 0.25) 50%, transparent 65%);
    transform: translateX(-130%);
    animation: cardShine 5s ease-in-out infinite;
    pointer-events: none;
}

/* Floating badges */
.about-hero__badge {
    position: absolute;
    z-index: 5;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 11px 18px;
    background: var(--glass-bg);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-full);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-0);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.about-hero__badge i {
    color: var(--accent);
    font-size: 0.85rem;
}

.about-hero__badge--top {
    top: 8%;
    right: 0;
    animation: badgeFloat 3.5s ease-in-out infinite;
}

.about-hero__badge--bottom {
    bottom: 8%;
    left: 0;
    animation: badgeFloat 3.5s ease-in-out infinite reverse;
}

/* =========================================================
   BIOGRAPHY
   ========================================================= */
.about-bio {
    padding: 100px 0;
    border-top: 1px solid var(--border-1);
}

.about-bio__grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 80px;
}

.about-bio__heading {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-top: 18px;
}

.about-bio__heading em {
    font-style: normal;
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-bio__content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-bio__content p {
    font-size: 1.02rem;
    color: var(--text-1);
    line-height: 1.8;
}

.about-bio__lead {
    font-size: 1.15rem !important;
    color: var(--text-0) !important;
    font-weight: 500;
    padding-left: 22px;
    border-left: 2px solid var(--accent);
}

.about-bio__sign {
    font-style: italic;
    color: var(--text-2) !important;
}

/* =========================================================
   PERSONAL INFO
   ========================================================= */
.about-info {
    padding: 100px 0;
    border-top: 1px solid var(--border-1);
}

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

.info-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 24px;
    background: var(--glass-bg);
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: transform var(--dur-2) var(--ease),
                border-color var(--dur-2) var(--ease),
                box-shadow var(--dur-2) var(--ease);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    font: inherit;
    text-align: left;
    width: 100%;
    cursor: default;
}

.info-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 229, 255, 0.1);
}

.info-card__icon {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--accent-soft);
    border: 1px solid var(--border-accent);
    color: var(--accent);
    font-size: 1.15rem;
}

.info-card__body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

.info-card__label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-3);
}

.info-card__value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-0);
    word-break: break-word;
}

.info-card__value--link {
    transition: color var(--dur-1) var(--ease);
}

.info-card__value--link:hover {
    color: var(--accent);
}

/* =========================================================
   INTERACTIVE INFO CARDS (Phase 2.5)
   ========================================================= */

.info-card--interactive {
    cursor: pointer;
}

.info-card--interactive::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%),
                rgba(0, 229, 255, 0.10),
                transparent 45%);
    opacity: 0;
    transition: opacity var(--dur-2) var(--ease);
}

.info-card--interactive:hover::after,
.info-card--interactive:focus-visible::after {
    opacity: 1;
}

.info-card--interactive:active {
    transform: translateY(-3px) scale(0.99);
}

.info-card--interactive:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* Hint line */
.info-card__hint {
    display: block;
    margin-top: 4px;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    color: var(--text-3);
    transition: color var(--dur-2) var(--ease);
}

.info-card--interactive:hover .info-card__hint {
    color: var(--accent);
}

/* Spark badge */
.info-card__spark {
    position: absolute;
    top: 14px;
    right: 14px;
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.72rem;
    opacity: 0;
    transform: scale(0.6) rotate(-30deg);
    transition: opacity var(--dur-2) var(--ease),
                transform var(--dur-2) var(--ease);
}

.info-card--interactive:hover .info-card__spark,
.info-card--interactive:focus-visible .info-card__spark {
    opacity: 1;
    transform: scale(1) rotate(0);
}

/* Accent tints */
.info-card__icon--cake {
    background: rgba(236, 72, 153, 0.12);
    border-color: rgba(236, 72, 153, 0.4);
    color: #ec4899;
}

.info-card__icon--pin {
    background: rgba(34, 224, 122, 0.12);
    border-color: rgba(34, 224, 122, 0.4);
    color: var(--green);
}

.info-card__icon--book {
    background: rgba(168, 85, 247, 0.12);
    border-color: rgba(168, 85, 247, 0.4);
    color: var(--accent-3);
}

.info-card__icon--play {
    background: rgba(0, 229, 255, 0.12);
    border-color: rgba(0, 229, 255, 0.4);
    color: var(--accent);
}

/* =========================================================
   FULLSCREEN ANIMATION OVERLAY
   ========================================================= */
.info-anim {
    position: fixed;
    inset: 0;
    z-index: 2500;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
    overflow: hidden;
}

.info-anim.is-open {
    visibility: visible;
    opacity: 1;
}

.info-anim__bg {
    position: absolute;
    inset: 0;
    background: rgba(5, 6, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    cursor: pointer;
}

.info-anim__canvas-wrap {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    pointer-events: none;
}

.info-anim__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.info-anim__close {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 5;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform var(--dur-2) var(--ease),
                background var(--dur-2) var(--ease);
}

.info-anim__close:hover {
    transform: rotate(90deg);
    background: rgba(255, 255, 255, 0.16);
}

.info-anim__caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    padding: 12px 24px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--r-full);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    white-space: nowrap;
    max-width: 90vw;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
    transition: opacity 0.5s var(--ease) 0.2s,
                transform 0.5s var(--ease) 0.2s;
}

.info-anim.is-open .info-anim__caption {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 640px) {
    .info-anim__close {
        top: 16px;
        right: 16px;
        width: 42px;
        height: 42px;
    }

    .info-anim__caption {
        bottom: 26px;
        font-size: 0.82rem;
        padding: 10px 18px;
        white-space: normal;
        text-align: center;
    }
}

/* =========================================================
   EDUCATION
   ========================================================= */
.about-edu {
    padding: 100px 0;
    border-top: 1px solid var(--border-1);
}

.about-edu__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.edu-card {
    position: relative;
    padding: 32px 28px;
    background: var(--glass-bg);
    border: 1px solid var(--border-1);
    border-radius: var(--r-lg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow: hidden;
    transition: transform var(--dur-2) var(--ease),
                border-color var(--dur-2) var(--ease),
                box-shadow var(--dur-2) var(--ease);
}

.edu-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-accent);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 229, 255, 0.1);
}

.edu-card--active {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(168, 85, 247, 0.08));
    border-color: var(--border-accent);
}

.edu-card__badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 12px;
    background: var(--accent);
    color: #05060a;
    border-radius: var(--r-full);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.edu-card__icon {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: var(--accent-soft);
    border: 1px solid var(--border-accent);
    color: var(--accent);
    font-size: 1.35rem;
    margin-bottom: 22px;
}

.edu-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 8px;
    color: var(--text-0);
}

.edu-card__school {
    font-size: 0.88rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 14px;
}

.edu-card__desc {
    font-size: 0.92rem;
    color: var(--text-1);
    line-height: 1.65;
}

/* =========================================================
   TECHNICAL INTERESTS
   ========================================================= */
.about-interests {
    padding: 100px 0;
    border-top: 1px solid var(--border-1);
}

.about-interests__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.interest-card {
    position: relative;
    padding: 30px 26px;
    background: var(--glass-bg);
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: transform var(--dur-2) var(--ease),
                border-color var(--dur-2) var(--ease),
                box-shadow var(--dur-2) var(--ease);
    overflow: hidden;
}

.interest-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--grad-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur-3) var(--ease);
}

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

.interest-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.interest-card__icon {
    display: grid;
    place-items: center;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: var(--grad-accent);
    color: #05060a;
    font-size: 1.15rem;
    margin-bottom: 20px;
    box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
}

.interest-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-0);
}

.interest-card__desc {
    font-size: 0.9rem;
    color: var(--text-1);
    line-height: 1.65;
}

/* =========================================================
   PROFESSIONAL SKILLS
   ========================================================= */
.about-skills {
    padding: 100px 0;
    border-top: 1px solid var(--border-1);
}

.about-skills__grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 22px;
    background: var(--glass-bg);
    border: 1px solid var(--border-2);
    border-radius: var(--r-full);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-1);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: transform var(--dur-1) var(--ease),
                background var(--dur-2) var(--ease),
                border-color var(--dur-2) var(--ease),
                color var(--dur-2) var(--ease),
                box-shadow var(--dur-2) var(--ease);
    cursor: default;
}

.skill-pill i {
    color: var(--accent);
    font-size: 0.9rem;
}

.skill-pill:hover {
    transform: translateY(-4px);
    background: var(--accent-soft);
    border-color: var(--border-accent);
    color: var(--text-0);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.15);
}

/* =========================================================
   CTA
   ========================================================= */
.about-cta {
    padding: 100px 0 40px;
}

.about-cta__inner {
    position: relative;
    padding: 70px 50px;
    border-radius: var(--r-xl);
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(168, 85, 247, 0.08));
    border: 1px solid var(--border-1);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    text-align: center;
    overflow: hidden;
}

.about-cta__inner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.15), transparent 70%);
    pointer-events: none;
}

.about-cta__title {
    position: relative;
    z-index: 1;
    font-size: clamp(1.6rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.about-cta__title em {
    font-style: normal;
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-cta__desc {
    position: relative;
    z-index: 1;
    color: var(--text-1);
    font-size: 1rem;
    margin-bottom: 32px;
    max-width: 480px;
    margin-inline: auto;
}

.about-cta__actions {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* =========================================================
   LIGHT THEME ADJUSTMENTS
   ========================================================= */
[data-theme="light"] .about-hero__photo {
    box-shadow: 0 24px 70px rgba(0, 119, 255, 0.2);
}

[data-theme="light"] .edu-card,
[data-theme="light"] .interest-card,
[data-theme="light"] .info-card,
[data-theme="light"] .skill-pill {
    background: rgba(255, 255, 255, 0.7);
}

[data-theme="light"] .about-cta__inner {
    background: linear-gradient(135deg, rgba(0, 119, 255, 0.06), rgba(124, 58, 237, 0.06));
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
    .about-hero__grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-hero__right {
        order: -1;
    }

    .about-hero__visual {
        max-width: 340px;
    }

    .about-bio__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-info__grid,
    .about-edu__grid,
    .about-interests__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 40px 0 60px;
    }

    .about-bio,
    .about-info,
    .about-edu,
    .about-interests,
    .about-skills {
        padding: 60px 0;
    }

    .about-info__grid,
    .about-edu__grid,
    .about-interests__grid {
        grid-template-columns: 1fr;
    }

    .about-hero__visual {
        max-width: 280px;
    }

    .about-hero__badge {
        padding: 9px 14px;
        font-size: 0.74rem;
    }

    .about-cta__inner {
        padding: 50px 30px;
    }

    .about-cta {
        padding: 60px 0 20px;
    }

    .about-hero__actions .btn,
    .about-cta__actions .btn {
        flex: 1 1 100%;
        justify-content: center;
    }

    .skill-pill {
        padding: 11px 18px;
        font-size: 0.84rem;
    }
}

@media (max-width: 480px) {
    .about-hero__visual {
        max-width: 240px;
    }

    .about-hero__badge--top {
        top: 0;
        right: -10px;
    }

    .about-hero__badge--bottom {
        bottom: 0;
        left: -10px;
    }

    .edu-card,
    .interest-card,
    .info-card {
        padding: 22px 20px;
    }

    .about-cta__inner {
        padding: 40px 24px;
    }
}