/* ============================================================
   CATALINA GARCIA — Personal Brand Website
   Theme: Navy & White | Professional Data Analytics
   ============================================================ */

/* ---- Custom Properties ---- */
:root {
    --navy-darkest: #060F1E;
    --navy-dark:    #0A2342;
    --navy-mid:     #1A3F6F;
    --navy-light:   #2C5F8A;
    --gold:         #C9A84C;
    --gold-light:   #E8C97A;
    --white:        #FFFFFF;
    --off-white:    #F4F7FB;
    --gray-light:   #E8EDF5;
    --gray-mid:     #B0BAC9;
    --gray-text:    #64748B;
    --dark-text:    #1A1A2E;

    --shadow-sm:  0 2px 8px  rgba(10, 35, 66, 0.09);
    --shadow-md:  0 4px 24px rgba(10, 35, 66, 0.14);
    --shadow-lg:  0 8px 48px rgba(10, 35, 66, 0.20);

    --radius:    12px;
    --radius-sm:  6px;
    --transition: all 0.3s ease;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body:    'Inter', system-ui, -apple-system, sans-serif;

    --nav-height: 72px;
}

/* ---- Reset ---- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--dark-text);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.2; }
h4          { font-family: var(--font-body);    line-height: 1.3; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 28px;
}

.section { padding: 100px 0; }

.section-navy {
    background: var(--navy-dark);
    color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}
.section-header-light .section-title { color: var(--white); }

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--navy-dark);
    margin-bottom: 16px;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--navy-mid);
    margin: 0 auto 24px;
    border-radius: 2px;
}
.divider-gold { background: var(--gold); }

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-text);
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-navy {
    background: var(--navy-mid);
    color: var(--white);
    border-color: var(--navy-mid);
}
.btn-navy:hover {
    background: var(--navy-light);
    border-color: var(--navy-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
    background: var(--white);
    color: var(--navy-dark);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-gold {
    background: var(--gold);
    color: var(--navy-darkest);
    border-color: var(--gold);
    font-weight: 700;
}
.btn-gold:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: var(--navy-dark);
    transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.35);
}

.nav-container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.nav-logo { text-decoration: none; }
.logo-text {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.3px;
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    display: block;
    padding: 7px 15px;
    color: rgba(255,255,255,0.80);
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    letter-spacing: 0.3px;
}
.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.10);
}

.contact-cta {
    background: var(--gold);
    color: var(--navy-darkest) !important;
    font-weight: 700;
    margin-left: 8px;
}
.contact-cta:hover {
    background: var(--gold-light) !important;
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    min-height: 100vh;
    background: linear-gradient(145deg, var(--navy-dark) 0%, var(--navy-mid) 55%, var(--navy-light) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: calc(var(--nav-height) + 60px) 28px 80px;
    overflow: hidden;
}

/* Subtle dot-grid overlay */
.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    width: 100%;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 64px;
    align-items: center;
}

/* Profile photo */
.hero-image-col { display: flex; justify-content: center; }

.hero-image-ring {
    width: 230px;
    height: 230px;
    border-radius: 50%;
    padding: 5px;
    background: linear-gradient(135deg, var(--gold), rgba(255,255,255,0.6));
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
}
.hero-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    object-position: top center;
}

/* Content */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(201,168,76,0.18);
    color: var(--gold-light);
    border: 1px solid rgba(201,168,76,0.35);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.hero-name {
    font-size: clamp(2.4rem, 5vw, 3.4rem);
    color: var(--white);
    margin-bottom: 8px;
}

.hero-title {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255,255,255,0.65);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-pitch {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.85;
    margin-bottom: 36px;
    max-width: 560px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* Scroll caret */
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: 50%;
    color: rgba(255,255,255,0.55);
    animation: bobUp 2.2s ease-in-out infinite;
    transition: var(--transition);
}
.hero-scroll:hover {
    border-color: var(--white);
    color: var(--white);
}
@keyframes bobUp {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(-8px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 72px;
    align-items: start;
}

.about-text p {
    font-size: 1.04rem;
    color: var(--gray-text);
    line-height: 1.85;
    margin-bottom: 20px;
}
.about-text .btn { margin-top: 8px; }

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.highlight-card {
    display: flex;
    align-items: center;
    gap: 18px;
    background: var(--off-white);
    padding: 18px 22px;
    border-radius: var(--radius);
    border-left: 4px solid var(--navy-mid);
    transition: var(--transition);
}
.highlight-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.highlight-icon {
    width: 46px;
    height: 46px;
    background: var(--navy-dark);
    color: var(--gold);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.highlight-text h4 {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--navy-dark);
    margin-bottom: 3px;
}
.highlight-text p {
    font-size: 0.8rem;
    color: var(--gray-text);
    line-height: 1.4;
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    cursor: default;
}
.skill-item:hover {
    background: rgba(255,255,255,0.09);
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

.skill-icon {
    font-size: 1.9rem;
    color: var(--gold);
}
.skill-item span {
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255,255,255,0.88);
    letter-spacing: 0.2px;
}

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio { background: var(--off-white); }

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.dashboard-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.dashboard-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* Embed area — 16:9-ish aspect ratio */
.dashboard-embed-wrapper {
    position: relative;
    width: 100%;
    padding-top: 58%;
    background: var(--gray-light);
    overflow: hidden;
}
.dashboard-embed-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.embed-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--navy-dark) 0%, var(--navy-mid) 100%);
    gap: 8px;
    text-align: center;
    padding: 24px;
}
.embed-icon      { font-size: 2.4rem; color: var(--gold); opacity: 0.85; }
.embed-label     { font-size: 0.85rem; font-weight: 600; color: rgba(255,255,255,0.75); }
.embed-hint      { font-size: 0.75rem; color: rgba(255,255,255,0.4); letter-spacing: 0.3px; }

.dashboard-info { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }

.dashboard-title {
    font-family: var(--font-body);
    font-size: 0.97rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 8px;
}
.dashboard-desc {
    font-size: 0.85rem;
    color: var(--gray-text);
    line-height: 1.65;
    margin-bottom: 16px;
    flex: 1;
}

.dashboard-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}
.tag {
    background: var(--navy-dark);
    color: rgba(255,255,255,0.88);
    padding: 3px 11px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* Info callout below grid */
.embed-callout {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: rgba(10,35,66,0.06);
    border: 1px solid rgba(10,35,66,0.12);
    border-radius: var(--radius);
    padding: 20px 28px;
    margin-top: 36px;
    font-size: 0.9rem;
    color: var(--navy-mid);
    line-height: 1.6;
}
.embed-callout i {
    font-size: 1.2rem;
    color: var(--navy-mid);
    margin-top: 2px;
    flex-shrink: 0;
}

/* ============================================================
   RESUME / TIMELINE
   ============================================================ */
.resume-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 64px;
    align-items: start;
}

.resume-timeline {
    position: relative;
    padding-left: 28px;
}
.resume-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: rgba(255,255,255,0.15);
}

.timeline-item {
    position: relative;
    padding: 0 0 36px 40px;
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -7px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gold);
    border: 3px solid var(--navy-dark);
    box-shadow: 0 0 0 2px var(--gold);
}

.timeline-year {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.6px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.timeline-details h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
}
.timeline-details p {
    font-size: 0.83rem;
    color: rgba(255,255,255,0.58);
    line-height: 1.5;
}

.grade {
    font-weight: 400;
    font-size: 0.82rem;
    color: var(--gold);
    margin-left: 6px;
}

/* Download panel */
.resume-download-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.resume-download-box {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.resume-pdf-icon {
    font-size: 2.8rem;
    color: var(--gold);
}
.resume-download-box h3 {
    font-size: 1.35rem;
    color: var(--white);
}
.resume-download-box p {
    font-size: 0.86rem;
    color: rgba(255,255,255,0.58);
    line-height: 1.6;
}

.awards-box {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: var(--radius);
    padding: 24px 28px;
}
.awards-box h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 14px;
}
.awards-box ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.awards-box li {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.45;
    padding-left: 14px;
    position: relative;
}
.awards-box li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: 700;
}
.awards-box li strong { color: rgba(255,255,255,0.88); }

/* ============================================================
   AWARD CITATION
   ============================================================ */
.citation-section { background: var(--off-white); }

.citation-document {
    max-width: 740px;
    margin: 0 auto;
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-top: 5px solid var(--gold);
    border-radius: var(--radius);
    padding: 56px 64px;
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
}

.citation-seal {
    font-size: 3rem;
    color: var(--gold);
    margin-bottom: 20px;
}

.citation-issuer {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--navy-mid);
    margin-bottom: 6px;
}

.citation-medal-name {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 3vw, 1.55rem);
    color: var(--navy-dark);
    margin-bottom: 32px;
}

.citation-to-label,
.citation-cited-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--gray-mid);
    margin-bottom: 8px;
}

.citation-cited-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 28px;
}
.citation-cited-label::before,
.citation-cited-label::after {
    content: '';
    display: block;
    width: 50px;
    height: 1px;
    background: var(--gray-light);
}

.citation-recipient {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 2.8rem);
    color: var(--navy-dark);
    margin-bottom: 28px;
}

.citation-body {
    font-size: 1rem;
    color: var(--gray-text);
    line-height: 1.95;
    font-style: italic;
    text-align: left;
    border: none;
    padding: 0 0 0 20px;
    margin-bottom: 44px;
    position: relative;
}
.citation-body::before {
    content: '\201C';
    font-family: var(--font-heading);
    font-size: 6rem;
    color: var(--gold);
    opacity: 0.2;
    position: absolute;
    top: -28px;
    left: -10px;
    line-height: 1;
    pointer-events: none;
}

.citation-signature {
    padding-top: 32px;
    border-top: 1px solid var(--gray-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}
.citation-sig-line {
    width: 180px;
    height: 1px;
    background: var(--navy-mid);
    margin-bottom: 12px;
}
.citation-sig-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-style: italic;
    color: var(--navy-dark);
}
.citation-sig-title,
.citation-sig-role {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.4px;
    color: var(--gray-text);
    text-transform: uppercase;
}

.citation-photo-wrapper {
    margin-top: 40px;
    padding-top: 36px;
    border-top: 1px solid var(--gray-light);
}

.citation-photo {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 28px rgba(10, 35, 66, 0.18);
    border: 6px solid var(--white);
    outline: 1px solid var(--gray-light);
    display: block;
}

@media (max-width: 768px) {
    .citation-document { padding: 36px 24px; }
    .citation-body { padding-left: 10px; }
    .citation-photo { max-width: 100%; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-centered {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    max-width: 480px;
    margin: 0 auto;
}

.contact-intro {
    font-size: 1rem;
    color: var(--gray-text);
    line-height: 1.75;
    margin-bottom: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.93rem;
    color: var(--gray-text);
}
.contact-icon {
    width: 42px;
    height: 42px;
    background: var(--navy-dark);
    color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.contact-item a {
    color: var(--navy-mid);
    font-weight: 500;
    transition: var(--transition);
}
.contact-item a:hover { color: var(--navy-light); }

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--navy-dark);
    letter-spacing: 0.3px;
}
.form-label span { color: var(--navy-mid); }

.form-input {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.93rem;
    color: var(--dark-text);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}
.form-input::placeholder { color: var(--gray-mid); }
.form-input:focus {
    border-color: var(--navy-mid);
    box-shadow: 0 0 0 3px rgba(26,63,111,0.10);
}

.form-textarea {
    resize: vertical;
    min-height: 130px;
    font-family: var(--font-body);
}

.form-status {
    text-align: center;
    font-size: 0.88rem;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: none;
    font-weight: 500;
}
.form-status.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}
.form-status.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--navy-darkest);
    padding: 52px 28px;
}

.footer-inner {
    max-width: 1160px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.footer-name {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--white);
}
.footer-tagline {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.5px;
}

.footer-links {
    display: flex;
    gap: 12px;
}
.footer-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.07);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.65);
    font-size: 1rem;
    transition: var(--transition);
}
.footer-link:hover {
    background: var(--gold);
    color: var(--navy-darkest);
    transform: translateY(-2px);
}

.footer-copy {
    font-size: 0.76rem;
    color: rgba(255,255,255,0.3);
}

/* ============================================================
   SCROLL ANIMATION
   ============================================================ */
.fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   RESPONSIVE — Tablet (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
    .hero-container      { gap: 48px; }
    .about-grid          { grid-template-columns: 1fr; gap: 40px; }
    .portfolio-grid      { grid-template-columns: repeat(2, 1fr); }
    .resume-layout       { grid-template-columns: 1fr; gap: 40px; }
}

/* ============================================================
   RESPONSIVE — Mobile (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
    :root { --nav-height: 64px; }
    .section { padding: 72px 0; }

    /* Nav mobile */
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0; right: 0;
        background: var(--navy-dark);
        flex-direction: column;
        padding: 12px 0 20px;
        gap: 0;
        border-top: 1px solid rgba(255,255,255,0.08);
        box-shadow: var(--shadow-md);
    }
    .nav-links.open { display: flex; }
    .nav-link  { padding: 12px 24px; border-radius: 0; }
    .contact-cta { margin: 8px 16px 0; border-radius: var(--radius-sm); }

    /* Hero */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 36px;
    }
    .hero-image-ring { width: 190px; height: 190px; }
    .hero-buttons    { justify-content: center; }
    .hero-pitch      { margin: 0 auto 32px; }

    /* Skills */
    .skills-grid { grid-template-columns: repeat(2, 1fr); }

    /* Portfolio */
    .portfolio-grid { grid-template-columns: 1fr; }

    /* Contact */
    .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   RESPONSIVE — Small Mobile (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .btn           { justify-content: center; }
    .skills-grid   { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}