:root {
    --senior-text: #e8f1fb;
    --senior-text-soft: #b8cbe1;
    --senior-line: rgba(168, 203, 236, 0.28);
    --senior-line-strong: rgba(168, 203, 236, 0.48);
    --senior-surface: rgba(15, 30, 54, 0.18);
    --senior-surface-2: rgba(15, 30, 54, 0.28);
    --zoho-red: #e42527;
    --zoho-blue: #1f66ff;
    --zoho-green: #3aae3f;
    --zoho-yellow: #f6bd16;
}

[data-theme="dark"] {
    --senior-text: #edf4ff;
    --senior-text-soft: #c8d8ec;
    --senior-line: rgba(176, 210, 240, 0.24);
    --senior-line-strong: rgba(176, 210, 240, 0.42);
    --senior-surface: rgba(8, 18, 35, 0.18);
    --senior-surface-2: rgba(8, 18, 35, 0.3);
}

/* Remove decorative background blobs for a cleaner senior look */
.titular::before,
.titular::after,
.services::before,
.experience-summary::before,
.contact-section::before,
.title__media::before {
    display: none;
}

/* Keep subtle multi-color accent only in nav underline */
header > section > nav > ul > li > a::after {
    background: linear-gradient(
        90deg,
        var(--zoho-red),
        var(--zoho-blue),
        var(--zoho-green),
        var(--zoho-yellow)
    );
    height: 1px;
}

/* Global rhythm */
.titular,
.about,
.services,
.skills,
.academic,
.experience-summary,
.experience,
.contact-section {
    position: relative;
}

.title__bio,
.about__title,
.services__title,
.skills__title,
.academic__title,
.experience-summary__title,
.experience__section__title,
.contact__main-title {
    letter-spacing: -0.015em;
}

.title__subsection,
.about__paragraph,
.services__subtitle,
.experience-summary__intro,
.experience__section__intro,
.contact__subtitle {
    color: var(--senior-text-soft);
}

/* Hero buttons: subtle and clean */
.hero__btn {
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.hero__btn--primary {
    position: relative;
    overflow: hidden;
    color: var(--senior-text);
    border: 1px solid var(--senior-line-strong);
    background: var(--senior-surface);
    box-shadow: none;
}

.hero__btn--primary::after {
    content: "";
    position: absolute;
    left: 1px;
    right: 1px;
    bottom: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        var(--zoho-red),
        var(--zoho-blue) 38%,
        var(--zoho-green) 70%,
        var(--zoho-yellow)
    );
    opacity: 0.9;
}

.hero__btn--primary:hover {
    transform: translateY(-1px);
    background: var(--senior-surface-2);
    border-color: var(--senior-line-strong);
}

.hero__btn--secondary,
.hero__btn--tertiary {
    border-color: var(--senior-line);
    background: var(--senior-surface);
}

.hero__btn--secondary:hover,
.hero__btn--tertiary:hover {
    transform: translateY(-1px);
    border-color: var(--senior-line-strong);
    background: var(--senior-surface-2);
}

/* About chips -> open inline metadata */
.about__meta {
    background: transparent;
    border: 0;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    margin-top: 1.2rem;
}

.about__meta-item {
    color: var(--senior-text-soft);
    font-size: 0.93rem;
}

/* Services -> two-column open layout (no cards) */
.services {
    padding-top: 4.2rem;
    padding-bottom: 2.4rem;
}

.services__subtitle {
    margin-bottom: 1.95rem;
}

.services__grid {
    width: min(1020px, 100%);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2.4rem;
}

.services__card {
    display: grid;
    grid-template-columns: 22px 1fr;
    align-items: start;
    column-gap: 0.8rem;
    min-height: 0;
    padding: 0.95rem 0.1rem 1.05rem;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--senior-line);
    border-radius: 0;
    box-shadow: none;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.services__card::after {
    display: none;
}

.services__card:hover {
    transform: none;
    border-color: var(--senior-line-strong);
    background: rgba(165, 202, 237, 0.05);
    box-shadow: none;
}

.services__icon {
    width: 20px;
    height: 20px;
    margin: 0.18rem 0 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: rgba(183, 216, 246, 0.92);
    font-size: 0.95rem;
}

.services__card h4,
.services__card p {
    grid-column: 2;
}

.services__card h4 {
    margin: 0;
    min-height: 0;
    color: var(--senior-text);
    font-size: 1.02rem;
    font-weight: 500;
    line-height: 1.35;
}

.services__card p {
    margin: 0.35rem 0 0;
    color: var(--senior-text-soft);
    font-size: 0.94rem;
    line-height: 1.55;
}

/* Skills -> typographic list rows instead of boxed tags */
.skills {
    padding-top: 4.2rem;
    padding-bottom: 2.5rem;
}

.skills__container {
    width: min(980px, 100%);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2.3rem;
}

.skills__container > .skills__box > ul {
    display: grid;
    grid-template-columns: 20px 1fr;
    align-items: center;
    min-height: 0;
    padding: 0.9rem 0;
    border: 0;
    border-bottom: 1px solid var(--senior-line);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    transition: border-color 0.2s ease;
}

.skills__container > .skills__box > ul::after {
    display: none;
}

.skills__container > .skills__box > ul:hover {
    transform: none;
    border-color: var(--senior-line-strong);
    box-shadow: none;
}

.skills__container > .skills__box > ul > .skill__icon {
    width: 16px;
    height: 16px;
    color: rgba(184, 218, 247, 0.9);
}

.skills__container > .skills__box > ul > li {
    margin: 0;
    text-align: left;
    font-size: 0.98rem;
    font-weight: 400;
    color: var(--senior-text);
    letter-spacing: 0.01em;
}

/* Academic extras -> editorial lanes with color accents */
.academic__extras {
    margin-top: 1.9rem;
    padding: 0.15rem 0 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.academic__extras__title {
    display: inline-flex;
    align-items: center;
    margin-bottom: 0.85rem;
    font-size: 1.08rem;
    color: var(--senior-text);
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
}

.academic__extras__title::before {
    width: 18px;
    height: 2px;
    border-radius: 2px;
    box-shadow: none;
    background: linear-gradient(90deg, rgba(132, 200, 247, 0.9), rgba(132, 200, 247, 0.25));
}

.academic__extras__title::after {
    content: ">";
    margin-left: 0.2rem;
    font-size: 0.88rem;
    color: var(--senior-text-soft);
    transform: rotate(90deg);
    transition: transform 0.24s ease, color 0.24s ease;
}

.academic__extras__title:hover {
    color: #f3f8ff;
}

.academic__extras__title:focus-visible {
    outline: 1px solid var(--senior-line-strong);
    outline-offset: 3px;
    border-radius: 4px;
}

.academic__cert-grid {
    margin: 0 0 1.1rem;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem 1.15rem;
    max-height: 1200px;
    opacity: 1;
    overflow: hidden;
    transition: max-height 0.35s ease, opacity 0.25s ease, margin 0.3s ease;
}

.academic__extras.is-certs-collapsed .academic__extras__title::after {
    transform: rotate(0deg);
}

.academic__extras.is-certs-collapsed .academic__cert-grid {
    max-height: 0;
    opacity: 0;
    margin: 0;
    pointer-events: none;
}

.academic__cert-card {
    --cert-accent: rgba(132, 200, 247, 0.9);
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 0.66rem;
    min-height: 84px;
    padding: 0.82rem 0.9rem 0.86rem 0.95rem;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(90deg, rgba(15, 30, 54, 0.34), rgba(15, 30, 54, 0.08));
    box-shadow: none;
    overflow: hidden;
    transition: transform 0.2s ease, background-color 0.2s ease, filter 0.2s ease;
}

.academic__cert-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 3px;
    border-radius: 3px;
    background: var(--cert-accent);
}

.academic__cert-card:nth-child(6n + 1) { --cert-accent: #5fc5ff; }
.academic__cert-card:nth-child(6n + 2) { --cert-accent: #8caeff; }
.academic__cert-card:nth-child(6n + 3) { --cert-accent: #6fdb9f; }
.academic__cert-card:nth-child(6n + 4) { --cert-accent: #ffb66a; }
.academic__cert-card:nth-child(6n + 5) { --cert-accent: #c3a5ff; }
.academic__cert-card:nth-child(6n + 6) { --cert-accent: #78d6d4; }

.academic__cert-card:hover {
    transform: translateY(-1px);
    background: linear-gradient(90deg, rgba(15, 30, 54, 0.46), rgba(15, 30, 54, 0.12));
    filter: saturate(1.03);
}

.academic__cert-icon {
    width: 22px;
    height: 22px;
    margin-top: 0.05rem;
    border: 0;
    border-radius: 7px;
    background: rgba(132, 200, 247, 0.14);
    color: rgba(173, 214, 247, 0.95);
}

.academic__cert-card:nth-child(6n + 2) .academic__cert-icon { background: rgba(140, 174, 255, 0.16); color: #9dbdff; }
.academic__cert-card:nth-child(6n + 3) .academic__cert-icon { background: rgba(111, 219, 159, 0.14); color: #8be2b4; }
.academic__cert-card:nth-child(6n + 4) .academic__cert-icon { background: rgba(255, 182, 106, 0.14); color: #ffc78f; }
.academic__cert-card:nth-child(6n + 5) .academic__cert-icon { background: rgba(195, 165, 255, 0.15); color: #d3b8ff; }
.academic__cert-card:nth-child(6n + 6) .academic__cert-icon { background: rgba(120, 214, 212, 0.15); color: #94e8e6; }

.academic__cert-text {
    margin: 0;
    color: var(--senior-text-soft);
    line-height: 1.5;
    font-size: 0.94rem;
}

.academic__language-block {
    align-items: flex-start;
    margin-top: 0.3rem;
}

.academic__language {
    margin: 0;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--senior-line);
    border-radius: 999px;
    background: rgba(15, 30, 54, 0.2);
    color: var(--senior-text);
}

.academic__language::before {
    color: rgba(173, 214, 247, 0.95);
}

/* Experience summary -> open rows with subtle dividers */
.experience-summary {
    padding: 4.2rem 2rem 2.2rem;
}

.experience-summary__timeline {
    max-width: 1020px;
    gap: 0;
    padding-left: 1rem;
}

.experience-summary__timeline::before {
    left: 0.24rem;
    width: 1px;
    border-radius: 0;
    background: var(--senior-line);
}

.experience-summary__card {
    margin-left: 0.9rem;
    padding: 1rem 0 1.15rem;
    border: 0;
    border-bottom: 1px solid var(--senior-line);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.experience-summary__card:last-child {
    border-bottom: 0;
}

.experience-summary__card::before {
    left: -1.1rem;
    top: 1.36rem;
    width: 7px;
    height: 7px;
    border: 0;
    box-shadow: none;
    background: rgba(184, 216, 246, 0.96);
}

.experience-summary__card:hover {
    transform: none;
    border-color: var(--senior-line-strong);
    box-shadow: none;
}

.experience-summary__card h3 {
    color: var(--senior-text);
}

.experience-summary__card p,
.experience-summary__card li {
    color: var(--senior-text-soft);
}

/* Projects -> lighter cards and cleaner container */
.experience {
    padding: 4.2rem 2rem;
}

.slide-content {
    margin: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
}

.card {
    border-radius: 12px;
    border: 1px solid var(--senior-line);
    background: var(--senior-surface);
    box-shadow: none;
}

.card:hover {
    transform: translateY(-1px);
    border-color: var(--senior-line-strong);
    box-shadow: none;
}

.card-image {
    border-radius: 12px 12px 0 0;
}

.button {
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow: none;
}

/* Contact -> less boxed, more open with separators */
.contact-section {
    padding: 5rem 0 4rem;
    overflow-x: clip;
}

@supports not (overflow: clip) {
    .contact-section {
        overflow-x: hidden;
    }
}

.contact__header {
    margin-bottom: 3rem;
}

.contact__profile,
.contact__form-section {
    border-radius: 12px;
    border: 1px solid var(--senior-line);
    background: var(--senior-surface);
    box-shadow: none;
}

.contact__profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    text-align: center;
    padding: 1.25rem 1.2rem;
    transition: transform 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
    animation: profile-enter 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contact__profile:hover {
    transform: translateY(-2px);
    border-color: var(--senior-line-strong);
    background: rgba(15, 30, 54, 0.24);
}

.contact__avatar {
    position: relative;
    margin-bottom: 0.1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: avatar-float 6.5s ease-in-out infinite;
}

.contact__avatar::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    left: calc(50% + 24px);
    top: 62px;
    border-radius: 50%;
    background: #22c55e;
    border: 2px solid rgba(16, 30, 54, 0.92);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
    animation: status-soft-pulse 2.8s ease-in-out infinite;
}

.contact__status {
    display: block;
    width: min(430px, 100%);
    margin-top: 0.55rem;
    text-align: center;
    font-size: 0.88rem;
    line-height: 1.4;
    animation: profile-fade-up 0.45s ease both;
    animation-delay: 0.08s;
}

.contact__status .status-dot {
    display: none;
}

.contact__details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.28rem;
    text-align: center;
    animation: profile-fade-up 0.45s ease both;
    animation-delay: 0.14s;
}

.contact__name,
.contact__role {
    margin-bottom: 0;
}

.contact__location {
    justify-content: center;
}

html:not([data-theme="dark"]) .contact__profile,
html:not([data-theme="dark"]) .contact__form-section {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(92, 129, 179, 0.24);
    box-shadow: none;
}

html:not([data-theme="dark"]) .contact__profile:hover {
    background: rgba(255, 255, 255, 0.28);
}

/* Contact light mode: improve readability of secondary copy */
html:not([data-theme="dark"]) .contact__subtitle,
html:not([data-theme="dark"]) .contact__status,
html:not([data-theme="dark"]) .contact__role,
html:not([data-theme="dark"]) .contact__location,
html:not([data-theme="dark"]) .form__description,
html:not([data-theme="dark"]) .method__label,
html:not([data-theme="dark"]) .method__arrow {
    color: #223a5f;
}

/* Contact light mode: avoid pure-white form fields */
html:not([data-theme="dark"]) .form__input,
html:not([data-theme="dark"]) .form__textarea {
    background: rgba(210, 223, 242, 0.62);
    border-color: rgba(63, 96, 148, 0.34);
    color: #152c4b;
}

html:not([data-theme="dark"]) .form__input::placeholder,
html:not([data-theme="dark"]) .form__textarea::placeholder {
    color: #4c6387;
}

html:not([data-theme="dark"]) .form__input:focus,
html:not([data-theme="dark"]) .form__textarea:focus {
    background: rgba(223, 234, 250, 0.78);
    border-color: rgba(54, 96, 161, 0.66);
    box-shadow: 0 0 0 3px rgba(58, 106, 179, 0.14);
}

/* Contact light mode: refine contact link blocks */
html:not([data-theme="dark"]) .contact__methods {
    border: 1px solid rgba(71, 103, 154, 0.26);
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(187, 204, 230, 0.24), rgba(171, 191, 222, 0.18));
}

html:not([data-theme="dark"]) .contact__method {
    background: linear-gradient(145deg, rgba(211, 223, 241, 0.62), rgba(193, 209, 234, 0.5));
    border-bottom: 1px solid rgba(71, 103, 154, 0.24);
    border-top: 0;
    border-left: 0;
    border-right: 0;
    box-shadow: none;
}

html:not([data-theme="dark"]) .contact__method:nth-child(even) {
    background: linear-gradient(145deg, rgba(204, 218, 239, 0.58), rgba(186, 204, 232, 0.48));
}

html:not([data-theme="dark"]) .contact__method:first-child {
    border-top: 0;
}

html:not([data-theme="dark"]) .contact__method:last-child {
    border-bottom: 0;
}

html:not([data-theme="dark"]) .contact__method:hover {
    background: linear-gradient(145deg, rgba(203, 219, 242, 0.74), rgba(185, 206, 238, 0.62));
    border-color: rgba(69, 106, 163, 0.4);
}

html:not([data-theme="dark"]) .method__value {
    color: #152c4b;
}

.contact__methods {
    gap: 0;
}

.contact__method {
    padding: 1rem 0.2rem;
    border: 0;
    border-bottom: 1px solid var(--senior-line);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.contact__method:first-child {
    border-top: 1px solid var(--senior-line);
}

.contact__method::before {
    display: none;
}

.contact__method:hover {
    transform: none;
    border-color: var(--senior-line-strong);
    background: rgba(165, 202, 237, 0.05);
    box-shadow: none;
}

html:not([data-theme="dark"]) .contact__method:hover {
    box-shadow: none;
}

.contact__method:hover .method__icon {
    transform: none;
}

.method__icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 1rem;
}

.form__submit {
    box-shadow: none;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.form__submit:hover {
    transform: translateY(-1px);
    box-shadow: none;
    filter: brightness(1.03);
}

@keyframes profile-enter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes avatar-float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-2px);
    }
}

@keyframes status-soft-pulse {
    0%,
    100% {
        box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.16);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.07);
    }
}

@keyframes profile-fade-up {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .contact__profile,
    .contact__avatar,
    .contact__avatar::after,
    .contact__status,
    .contact__details {
        animation: none !important;
        transition: none !important;
    }
}

/* Subtle title accent */
.services__title::after,
.experience__section__title::after {
    width: 78px;
    height: 2px;
    margin-top: 0.72rem;
    opacity: 0.8;
}

/* Responsive */
@media only screen and (max-width: 1100px) {
    .skills__container,
    .services__grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .academic__cert-grid {
        grid-template-columns: 1fr;
        gap: 0.55rem;
    }
}

@media only screen and (max-width: 767px) {
    .services,
    .skills,
    .experience-summary,
    .experience {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .services__card,
    .skills__container > .skills__box > ul {
        padding-top: 0.85rem;
        padding-bottom: 0.95rem;
    }

    .academic__extras {
        margin-top: 1.45rem;
    }

    .academic__cert-card {
        min-height: 0;
        padding: 0.75rem 0.72rem 0.8rem 0.8rem;
        border-radius: 9px;
    }

    .experience-summary__timeline {
        padding-left: 0.8rem;
    }

    .experience-summary__card {
        margin-left: 0.72rem;
    }

    .experience-summary__card::before {
        left: -0.9rem;
    }

    .contact-section {
        padding: 4rem 0 3.2rem;
    }

    .contact__profile {
        gap: 0.8rem;
        text-align: center;
        padding: 1.1rem;
    }

    .contact__avatar {
        margin: 0 auto;
    }

    .contact__status {
        width: min(420px, 100%);
        text-align: center;
    }

    .contact__details {
        align-items: center;
        text-align: center;
    }

    .contact__location {
        justify-content: center;
    }
}