:root {
    --site-ink: #12304a;
    --site-muted: #5d738a;
    --site-surface: #f6fbff;
    --site-panel: rgba(255, 255, 255, 0.9);
    --site-border: rgba(18, 48, 74, 0.12);
    --site-primary: #1f6fbf;
    --site-primary-dark: #15589a;
    --site-accent: #5fb2ff;
    --site-soft: #dff0ff;
    --site-shadow: 0 28px 60px rgba(16, 48, 90, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Outfit', sans-serif;
    color: var(--site-ink);
    background:
        radial-gradient(circle at top left, rgba(95, 178, 255, 0.24), transparent 32%),
        radial-gradient(circle at 85% 18%, rgba(31, 111, 191, 0.12), transparent 22%),
        linear-gradient(135deg, #eef6ff 0%, #f8fbff 52%, #ffffff 100%);
}

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

button,
input,
textarea {
    font: inherit;
}

.container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 18px 0;
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    background: rgba(246, 251, 255, 0.74);
    border-bottom: 1px solid rgba(18, 48, 74, 0.06);
}

.header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--site-muted);
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--site-primary);
}

.hero-section {
    padding: 64px 0 30px;
}

.hero-grid,
.two-column,
.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 28px;
    align-items: start;
}

.hero-copy h1,
.section-copy h2,
.section-heading h2 {
    margin: 0;
    line-height: 0.98;
}

.hero-copy h1 {
    font-size: clamp(2.8rem, 7vw, 5.2rem);
    max-width: 10ch;
}

.eyebrow,
.section-kicker,
.project-tag,
.metric-label {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(31, 111, 191, 0.1);
    color: var(--site-primary-dark);
    font-size: 0.84rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-text,
.section-copy p,
.section-heading p,
.project-card p,
.contact-note p,
.metric-card p,
.mini-card span,
.form-status {
    color: var(--site-muted);
    line-height: 1.7;
}

.hero-text {
    max-width: 60ch;
    margin: 22px 0 0;
    font-size: 1.04rem;
}

.hero-actions,
.form-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 16px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus {
    transform: translateY(-1px);
}

.button-primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--site-primary) 0%, #3f97e8 100%);
    box-shadow: 0 18px 30px rgba(31, 111, 191, 0.22);
}

.button-primary:hover,
.button-primary:focus {
    background: linear-gradient(135deg, var(--site-primary-dark) 0%, #2f85d5 100%);
}

.button-secondary {
    background: rgba(255, 255, 255, 0.72);
    color: var(--site-ink);
    border-color: rgba(18, 48, 74, 0.12);
}

.hero-panel,
.card-panel,
.contact-card,
.project-card,
.metric-card,
.mini-card,
.contact-note {
    background: var(--site-panel);
    border: 1px solid var(--site-border);
    border-radius: 24px;
    box-shadow: var(--site-shadow);
}

.hero-panel {
    padding: 22px;
}

.metric-card {
    padding: 22px;
    background: linear-gradient(160deg, rgba(16, 52, 90, 0.98) 0%, rgba(31, 111, 191, 0.94) 100%);
    color: #ffffff;
}

.metric-card .metric-label,
.metric-card p,
.metric-card strong {
    color: #ffffff;
}

.metric-card strong,
.mini-card strong {
    display: block;
    margin-top: 10px;
    font-size: 1.28rem;
}

.metric-stack {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
}

.mini-card {
    padding: 18px;
}

.section-block {
    padding: 42px 0;
}

.section-highlight {
    position: relative;
}

.section-highlight::before {
    content: '';
    position: absolute;
    inset: 34px 0;
    background: linear-gradient(180deg, rgba(223, 240, 255, 0.3) 0%, rgba(223, 240, 255, 0.06) 100%);
    z-index: -1;
}

.section-copy,
.section-heading {
    max-width: 720px;
}

.section-copy h2,
.section-heading h2 {
    margin-top: 12px;
    font-size: clamp(2rem, 5vw, 3.4rem);
}

.card-panel {
    padding: 26px;
}

.feature-list {
    margin: 0;
    padding-left: 18px;
    color: var(--site-ink);
}

.feature-list li + li {
    margin-top: 14px;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 26px;
}

.project-card {
    padding: 24px;
    min-height: 240px;
}

.project-card h3 {
    margin: 18px 0 10px;
    font-size: 1.45rem;
}

.contact-note,
.contact-card {
    padding: 24px;
}

.contact-note {
    margin-top: 22px;
    background: linear-gradient(180deg, rgba(223, 240, 255, 0.9) 0%, rgba(255, 255, 255, 0.8) 100%);
}

.field-row + .field-row {
    margin-top: 18px;
}

.field-row label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.94rem;
    font-weight: 500;
}

.field-row input,
.field-row textarea {
    width: 100%;
    border: 1px solid rgba(18, 48, 74, 0.14);
    border-radius: 16px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--site-ink);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field-row input:focus,
.field-row textarea:focus {
    outline: none;
    border-color: rgba(31, 111, 191, 0.55);
    box-shadow: 0 0 0 4px rgba(31, 111, 191, 0.12);
}

.anti-spam-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-status {
    margin: 0;
    min-height: 24px;
}

.form-status.is-error {
    color: #a03333;
}

.form-status.is-success {
    color: #166245;
}

.error403-main {
    min-height: calc(100vh - 120px);
    display: grid;
    place-items: center;
    padding: 32px 0 48px;
}

.error403-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr);
    gap: 20px;
    width: min(980px, 100%);
}

.error403-card,
.error403-side {
    background: var(--site-panel);
    border: 1px solid var(--site-border);
    border-radius: 24px;
    box-shadow: var(--site-shadow);
}

.error403-card {
    padding: 28px;
}

.error403-code {
    margin: 0;
    font-size: clamp(2.8rem, 7vw, 5rem);
    letter-spacing: 0.04em;
    line-height: 0.9;
    color: var(--site-primary-dark);
}

.error403-title {
    margin: 12px 0 0;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    line-height: 1.05;
}

.error403-copy {
    margin: 14px 0 0;
    color: var(--site-muted);
    line-height: 1.7;
}

.error403-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.error403-side {
    padding: 22px;
}

.error403-side h3 {
    margin: 0;
    font-size: 1.08rem;
}

.error403-clue {
    margin: 10px 0 0;
    color: var(--site-muted);
    line-height: 1.6;
}

.error403-clue code {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 9px;
    border-radius: 10px;
    background: rgba(31, 111, 191, 0.12);
    color: var(--site-primary-dark);
    font-family: Consolas, Monaco, monospace;
    font-size: 0.92rem;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    animation: fadeUp 0.8s ease forwards;
}

.reveal-delay-1 {
    animation-delay: 0.12s;
}

.reveal-delay-2 {
    animation-delay: 0.24s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 960px) {
    .hero-grid,
    .two-column,
    .contact-grid,
    .project-grid,
    .error403-shell {
        grid-template-columns: 1fr;
    }

    .hero-copy h1 {
        max-width: 12ch;
    }

    .metric-stack {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, 1120px);
    }

    .site-header {
        position: sticky;
        top: 0;
        padding: 10px 0;
        z-index: 30;
    }

    .header-bar,
    .site-nav {
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
    }

    .site-nav {
        gap: 12px;
        font-size: 0.95rem;
    }

    #inicio,
    #sobre-mi,
    #portafolio,
    #contacto {
        scroll-margin-top: 88px;
    }

    .hero-section {
        padding-top: 28px;
    }

    .hero-copy h1,
    .section-copy h2,
    .section-heading h2 {
        line-height: 1.02;
    }

    .button,
    .form-actions {
        width: 100%;
    }

    .button {
        width: 100%;
    }
}