:root {
    --bg: #f4ecdf;
    --bg-soft: #f9f4ea;
    --surface: rgba(255, 250, 244, 0.8);
    --surface-strong: #fffaf3;
    --ink: #111827;
    --muted: #5f6778;
    --line: rgba(17, 24, 39, 0.12);
    --hero: #0f172a;
    --hero-soft: #15213f;
    --accent: #ff6b4a;
    --accent-alt: #19b4b0;
    --shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --container: min(1180px, calc(100% - 2rem));
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Manrope", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(255, 107, 74, 0.18), transparent 28%),
        radial-gradient(circle at top right, rgba(25, 180, 176, 0.15), transparent 26%),
        linear-gradient(180deg, #f9f3e8 0%, #f4ecdf 48%, #f7f1e7 100%);
    min-height: 100vh;
}

img {
    display: block;
    max-width: 100%;
}

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

button,
input,
textarea {
    font: inherit;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.site-shell {
    position: relative;
    overflow: clip;
}

.site-shell::before,
.site-shell::after {
    content: "";
    position: fixed;
    inset: auto;
    width: 26rem;
    height: 26rem;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

.site-shell::before {
    top: -8rem;
    right: -8rem;
    background: rgba(255, 107, 74, 0.12);
}

.site-shell::after {
    left: -10rem;
    bottom: 10rem;
    background: rgba(25, 180, 176, 0.1);
}

.site-header,
main,
.site-footer {
    position: relative;
    z-index: 1;
}

.site-header {
    width: var(--container);
    margin: 0 auto;
    padding: 1rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-mark {
    width: 3rem;
    height: 3rem;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background: rgba(255, 250, 244, 0.95);
    box-shadow: 0 10px 22px rgba(17, 24, 39, 0.1);
    overflow: hidden;
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.brand-copy {
    display: grid;
    gap: 0.1rem;
}

.brand-copy strong {
    font-size: 0.98rem;
}

.brand-copy span {
    color: var(--muted);
    font-size: 0.86rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem;
    border: 1px solid rgba(255, 255, 255, 0.45);
    background: rgba(255, 250, 244, 0.72);
    border-radius: 999px;
    box-shadow: 0 12px 28px rgba(17, 24, 39, 0.08);
}

.site-nav a {
    padding: 0.8rem 1rem;
    border-radius: 999px;
    color: var(--muted);
    transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    background: rgba(17, 24, 39, 0.06);
    color: var(--ink);
    transform: translateY(-1px);
}

.site-nav .nav-cta {
    background: var(--ink);
    color: #fff;
}

.menu-toggle {
    display: none;
    width: 3rem;
    height: 3rem;
    border: 0;
    border-radius: 16px;
    background: rgba(255, 250, 244, 0.86);
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.08);
    cursor: pointer;
    padding: 0.75rem;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--ink);
    border-radius: 999px;
}

.menu-toggle span + span {
    margin-top: 0.35rem;
}

main {
    width: var(--container);
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 2.5rem;
    padding: 3rem 0 1.25rem;
    align-items: center;
}

.hero-copy {
    padding: 0.5rem 0;
}

.hero-introline {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.74rem;
    font-weight: 800;
}

.hero-index {
    font-family: "Space Grotesk", sans-serif;
    color: var(--accent);
    font-size: 0.95rem;
}

.hero-line {
    width: 4.25rem;
    height: 1px;
    background: rgba(17, 24, 39, 0.18);
}

.eyebrow {
    margin: 0 0 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--accent-alt);
}

.hero h1,
.section-heading h2,
.project-body h3,
.certificate-body h3,
.contact-card h3,
.focus-list h3,
.panel-card h2 {
    font-family: "Space Grotesk", sans-serif;
    letter-spacing: -0.04em;
}

.hero-title {
    margin: 0;
    max-width: 8ch;
    font-size: clamp(4.4rem, 10vw, 7.2rem);
    line-height: 0.9;
    letter-spacing: -0.055em;
    color: var(--ink);
}

.hero-title-bottom {
    margin: 0.9rem 0 0;
    max-width: 34rem;
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--muted);
}

.hero-text {
    margin: 1.35rem 0 0;
    max-width: 37rem;
    color: var(--ink);
    font-size: 1.05rem;
    line-height: 1.8;
    opacity: 0.82;
}

.hero-actions,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hero-actions {
    gap: 0.85rem;
    margin-top: 1.75rem;
    flex-wrap: wrap;
}

.button {
    min-height: 3.35rem;
    padding: 0.85rem 1.3rem;
    border-radius: 999px;
    font-weight: 800;
    transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button-primary {
    background: linear-gradient(135deg, var(--accent), #ff9154);
    color: white;
    box-shadow: 0 16px 30px rgba(255, 107, 74, 0.24);
}

.button-secondary {
    background: rgb(79 184 43 / 90%);
    color: var(--ink);
    border: 1px solid rgba(17, 24, 39, 0.1);
}

.hero .button-secondary {
    color: var(--ink);
    border-color: rgba(17, 24, 39, 0.1);
    background: rgba(255, 250, 244, 0.9);
}

.hero-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 1.6rem;
    list-style: none;
    padding: 0;
    margin: 2rem 0 0;
    padding-top: 1.4rem;
    border-top: 1px solid rgba(17, 24, 39, 0.12);
}

.hero-metrics li {
    min-width: 10rem;
}

.hero-metrics strong {
    display: block;
    font-size: 2.2rem;
    line-height: 1;
    color: var(--ink);
}

.hero-metrics span {
    display: block;
    margin-top: 0.35rem;
    color: var(--muted);
}

.panel-card {
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.panel-card-main {
    background: rgba(255, 250, 244, 0.74);
    border: 1px solid rgba(255, 255, 255, 0.52);
    backdrop-filter: blur(16px);
}

.panel-card-accent {
    background: linear-gradient(135deg, rgba(25, 180, 176, 0.12), rgba(255, 107, 74, 0.12));
    border: 1px solid rgba(17, 24, 39, 0.08);
}

.panel-label {
    margin: 0 0 0.75rem;
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 800;
}

.panel-card h2 {
    margin: 0;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.panel-card p {
    margin: 0.8rem 0 0;
    color: var(--muted);
    line-height: 1.75;
}

.panel-card-accent a {
    display: inline-flex;
    margin-top: 1.2rem;
    font-weight: 800;
    color: var(--ink);
}

.skill-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.35rem;
}

.hero-stage {
    position: relative;
    min-height: 34rem;
}

.hero-stage::before {
    content: "";
    position: absolute;
    inset: 1rem 0 1rem 1rem;
    border-radius: 34px;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.96), rgba(19, 31, 58, 0.92));
    box-shadow: 0 26px 70px rgba(15, 23, 42, 0.22);
}

.hero-stage::after {
    content: "";
    position: absolute;
    inset: 1.75rem 0.75rem 1.75rem 1.75rem;
    border-radius: 28px;
    opacity: 0.18;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.45) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.45) 1px, transparent 1px);
    background-size: 2.6rem 2.6rem;
}

.stage-note {
    position: absolute;
    z-index: 1;
    border-radius: 28px;
    padding: 1.35rem 1.4rem;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.22);
}

.stage-label {
    margin: 0 0 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.72rem;
    font-weight: 800;
}

.stage-note-main {
    top: 0;
    right: 0;
    width: min(28rem, 100%);
    transform: rotate(-3deg);
    background: #fff8ee;
    color: var(--ink);
}

.stage-note-main h2 {
    margin: 0;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(1.65rem, 3vw, 2.35rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
}

.stage-note-main p:last-child {
    margin: 0.95rem 0 0;
    color: var(--muted);
    line-height: 1.75;
}

.stage-note-stack {
    left: 0;
    bottom: 3.2rem;
    width: min(23rem, 86%);
    transform: rotate(2deg);
    background: rgba(255, 250, 244, 0.96);
}

.stage-note-projects {
    right: 1rem;
    bottom: 0;
    width: min(19rem, 72%);
    background: linear-gradient(160deg, #15213f, #0f172a);
    color: #edf4ff;
}

.stage-note-projects .stage-label {
    color: rgba(237, 244, 255, 0.72);
}

.stage-note-projects a {
    display: inline-flex;
    margin-top: 1rem;
    font-weight: 800;
}

.hero-project-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.8rem;
}

.hero-project-list li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid rgba(237, 244, 255, 0.12);
}

.hero-project-list span {
    font-weight: 800;
}

.hero-project-list small {
    color: rgba(237, 244, 255, 0.68);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.68rem;
}

.skill-cloud span,
.stack-list li {
    padding: 0.65rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.65);
}

.section {
    padding: 5rem 0 0;
}

.section-heading {
    display: grid;
    gap: 0.75rem;
    max-width: 48rem;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1;
}

.section-heading-inline {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
}

.section-link {
    font-weight: 800;
    color: var(--muted);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.5rem;
    align-items: start;
}

.about-card,
.focus-list article,
.project-card,
.certificate-card,
.contact-card {
    border-radius: var(--radius-lg);
    background: rgba(255, 250, 244, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--shadow);
}

.about-card {
    padding: 2rem;
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--muted);
}

.focus-list {
    display: grid;
    gap: 1rem;
}

.focus-list article {
    padding: 1.5rem;
}

.focus-list h3 {
    margin: 0 0 0.6rem;
    font-size: 1.35rem;
}

.focus-list p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.8rem;
}

.project-card {
    grid-column: span 4;
    overflow: hidden;
    transition: transform 220ms ease, box-shadow 220ms ease;
}

.project-card.featured {
    grid-column: span 8;
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.project-card:hover,
.certificate-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 28px 62px rgba(15, 23, 42, 0.15);
}

.project-image {
    min-height: 16rem;
    background:
        linear-gradient(135deg, rgba(255, 107, 74, 0.1), rgba(25, 180, 176, 0.1)),
        #fff7f0;
    display: grid;
    place-items: center;
    padding: 1.5rem;
}

.project-image img {
    max-width: min(16rem, 100%);
    max-height: 12rem;
    object-fit: contain;
}

.project-body {
    padding: 1.5rem;
    display: grid;
    align-content: start;
    gap: 0.8rem;
}

.project-tag {
    margin: 0;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}

.project-body h3 {
    margin: 0;
    font-size: 1.7rem;
}

.project-body p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.project-body a {
    margin-top: 0.3rem;
    font-weight: 800;
}

.certificate-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.8rem;
}

.certificate-card {
    overflow: hidden;
    transition: transform 220ms ease, box-shadow 220ms ease;
}

.certificate-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.certificate-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.certificate-body {
    padding: 1.25rem 1.25rem 1.4rem;
}

.certificate-body h3 {
    margin: 0;
    font-size: 1.3rem;
}

.certificate-body p {
    margin: 0.7rem 0 0;
    color: var(--muted);
    line-height: 1.7;
}

.contact-section {
    padding-bottom: 4rem;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 1rem;
    margin-top: 1.8rem;
}

.contact-card {
    padding: 1.6rem;
}

.contact-card h3 {
    margin: 0;
    font-size: 1.55rem;
}

.contact-card > p {
    color: var(--muted);
    line-height: 1.75;
}

.contact-form {
    display: grid;
    gap: 1rem;
    margin-top: 1.2rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.form-field {
    display: grid;
    gap: 0.45rem;
}

.form-field label {
    font-weight: 700;
}

.form-field input,
.form-field textarea {
    width: 100%;
    border: 1px solid rgba(17, 24, 39, 0.14);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.82);
    padding: 0.95rem 1rem;
    color: var(--ink);
    transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: rgba(25, 180, 176, 0.7);
    box-shadow: 0 0 0 4px rgba(25, 180, 176, 0.12);
    background: #fff;
}

.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

.form-alert {
    margin-top: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    font-weight: 700;
}

.form-alert-success {
    background: rgba(25, 180, 176, 0.12);
    color: #0b6a67;
    border: 1px solid rgba(25, 180, 176, 0.22);
}

.form-alert-error {
    background: rgba(255, 107, 74, 0.12);
    color: #a53a21;
    border: 1px solid rgba(255, 107, 74, 0.22);
}

.contact-card-side {
    display: grid;
    gap: 1rem;
    align-content: start;
}

.contact-side-block + .contact-side-block {
    padding-top: 1rem;
    border-top: 1px solid var(--line);
}

.stack-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    padding: 0;
    list-style: none;
    margin: 0;
}

.site-footer {
    width: var(--container);
    margin: 0 auto;
    padding: 0 0 2.5rem;
    color: var(--muted);
}

.back-to-top {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    width: 3.4rem;
    height: 3.4rem;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), #ff9154);
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    box-shadow: 0 16px 30px rgba(255, 107, 74, 0.28);
    cursor: pointer;
    z-index: 20;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
    transform: translateY(-3px);
}

@media (max-width: 980px) {
    .menu-toggle {
        display: inline-block;
    }

    .site-header {
        align-items: center;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 0.75rem);
        right: 0;
        left: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 0.8rem;
        border-radius: 24px;
        background: rgba(255, 250, 244, 0.96);
    }

    .site-nav.is-open {
        display: flex;
    }

    .hero,
    .intro-grid,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .hero-stage {
        min-height: auto;
        padding: 1rem 0 0;
        display: grid;
        gap: 1rem;
    }

    .hero-stage::before {
        inset: 0;
    }

    .hero-stage::after {
        inset: 1rem;
    }

    .stage-note {
        position: relative;
        inset: auto;
        width: auto;
        transform: none;
    }

    .project-card,
    .project-card.featured,
    .certificate-grid > * {
        grid-column: span 12;
    }

    .project-card.featured {
        grid-template-columns: 1fr;
    }

    .certificate-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    :root {
        --container: min(100% - 1.2rem, 1180px);
    }

    .site-header {
        padding: 0.8rem 0;
    }

    .brand-copy span {
        display: none;
    }

    .hero {
        padding-top: 1rem;
    }

    .hero-title {
        max-width: none;
        font-size: clamp(3rem, 14vw, 4.4rem);
        line-height: 0.92;
    }

    .hero-title-bottom {
        margin-top: 0.7rem;
        font-size: 1rem;
        line-height: 1.65;
    }

    .hero-metrics,
    .certificate-grid {
        grid-template-columns: 1fr;
    }

    .hero-metrics,
    .form-row {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .section {
        padding-top: 4rem;
    }

    .section-heading-inline {
        align-items: start;
        flex-direction: column;
    }

    .project-body h3 {
        font-size: 1.45rem;
    }
}