/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
    --navy: #0a1628;
    --navy-light: #132038;
    --navy-mid: #1a2d4d;
    --blue: #2563eb;
    --blue-light: #3b82f6;
    --gold: #c9a84c;
    --gold-light: #dfc06e;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #94a3b8;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 7rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy);
}

.text-accent {
    color: var(--blue);
}

.accent-dot {
    color: var(--gold);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.025em;
}

.btn-primary {
    background: var(--navy);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--navy-mid);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
}

.btn-full {
    width: 100%;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    padding: 0.75rem 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0.25rem;
}

.nav-links a {
    color: rgba(255,255,255,0.75);
    font-size: 0.875rem;
    font-weight: 400;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

.nav-cta {
    background: rgba(255,255,255,0.1) !important;
    border: 1px solid rgba(255,255,255,0.2) !important;
    color: var(--white) !important;
}

.nav-cta:hover {
    background: rgba(255,255,255,0.18) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(165deg, var(--navy) 0%, var(--navy-light) 50%, var(--navy-mid) 100%);
    position: relative;
    overflow: hidden;
    padding: 6rem 2rem 4rem;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 168, 76, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 60% 80%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
}

.hero-bg-pattern::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(201, 168, 76, 0.12);
    border: 1px solid rgba(201, 168, 76, 0.25);
    border-radius: 50px;
    color: var(--gold-light);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-lastname {
    color: var(--gold-light);
}

.hero-tagline {
    font-size: 1rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255,255,255,0.3);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text {
    padding-right: 1rem;
}

.about-lead {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.highlight-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    padding: 1.75rem;
    transition: var(--transition);
}

.highlight-card:hover {
    background: var(--white);
    border-color: var(--gray-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.highlight-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 1rem;
    color: var(--blue);
}

.highlight-icon svg {
    width: 100%;
    height: 100%;
}

.highlight-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.5rem;
}

.highlight-card p {
    font-size: 0.825rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   EXPERIENCE / TIMELINE
   ============================================ */
.experience {
    background: var(--gray-50);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 27px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--blue), var(--gold), var(--gray-300));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-left: 72px;
    padding-bottom: 3rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--blue);
    z-index: 2;
}

.timeline-marker.current {
    background: var(--blue);
    border-color: var(--blue);
    box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.15);
}

.timeline-marker.military {
    border-color: var(--gold);
}

.timeline-content {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 1.75rem;
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--gray-300);
}

.timeline-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(37, 99, 235, 0.08);
    color: var(--blue);
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.military-badge {
    background: rgba(201, 168, 76, 0.1) !important;
    color: var(--gold) !important;
}

.timeline-logo {
    position: absolute;
    top: 1.75rem;
    right: 1.75rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 8px;
    padding: 6px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    flex-shrink: 0;
}

.timeline-logo:hover {
    border-color: var(--blue);
    box-shadow: var(--shadow-md);
}

.timeline-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.timeline-content {
    position: relative;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.25rem;
}

.timeline-content h4 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--blue);
    margin-bottom: 0.5rem;
}

.timeline-content h4 a {
    color: var(--blue);
}

.timeline-content h4 a:hover {
    text-decoration: underline;
}

.timeline-date {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   EDUCATION
   ============================================ */
.education {
    background: var(--white);
}

.education-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.edu-card {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.edu-card:hover {
    border-color: var(--gray-200);
    box-shadow: var(--shadow-md);
}

.edu-year {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--blue);
    white-space: nowrap;
    line-height: 1;
    padding-top: 0.25rem;
}

.edu-logo {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--white);
    border-radius: 8px;
    padding: 6px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.edu-logo:hover {
    border-color: var(--blue);
    box-shadow: var(--shadow-md);
}

.edu-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.edu-details h4 a {
    color: var(--blue);
}

.edu-details h4 a:hover {
    text-decoration: underline;
}

.edu-details h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.25rem;
}

.edu-details h4 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--blue);
    margin-bottom: 0.5rem;
}

.edu-details p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.board-cert {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
    border-radius: 12px;
}

.cert-logo {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 6px;
    border: 1px solid rgba(255,255,255,0.15);
    transition: var(--transition);
}

.cert-logo:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.3);
}

.cert-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.cert-details h3 a {
    color: var(--white);
}

.cert-details h3 a:hover {
    text-decoration: underline;
    color: var(--gold-light);
}

.cert-details h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.cert-details p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.65);
}

/* ============================================
   SKILLS
   ============================================ */
.skills {
    background: var(--gray-50);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.skill-category {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--gray-200);
    box-shadow: var(--shadow-md);
}

.skill-category h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

.skill-tag.license {
    background: rgba(37, 99, 235, 0.06);
    border-color: rgba(37, 99, 235, 0.15);
    color: var(--blue);
}

.skill-tag.license:hover {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}

.skill-tag.focus {
    background: rgba(201, 168, 76, 0.08);
    border-color: rgba(201, 168, 76, 0.2);
    color: #8b7032;
}

.skill-tag.focus:hover {
    background: var(--gold);
    color: var(--white);
    border-color: var(--gold);
}

/* ============================================
   PUBLICATIONS
   ============================================ */
.publications {
    background: var(--white);
}

.research-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.research-card {
    border-radius: 16px;
    padding: 2.5rem;
    transition: var(--transition);
}

.research-card:hover {
    transform: translateY(-4px);
}

.research-card.patent {
    background: linear-gradient(145deg, #fefce8, #fef9c3);
    border: 1px solid #fde68a;
}

.research-card.patent:hover {
    box-shadow: 0 12px 30px rgba(201, 168, 76, 0.15);
}

.research-card.pubs {
    background: linear-gradient(145deg, #eff6ff, #dbeafe);
    border: 1px solid #93c5fd;
}

.research-card.pubs:hover {
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.12);
}

.research-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
}

.patent .research-icon { color: var(--gold); }
.pubs .research-icon { color: var(--blue); }

.research-icon svg {
    width: 100%;
    height: 100%;
}

.research-type {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

.patent .research-type { color: var(--gold); }
.pubs .research-type { color: var(--blue); }

.research-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.5rem;
}

.patent-number, .pub-count {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.patent-number { color: var(--gold); }
.pub-count { color: var(--blue); }

.research-card p:last-child {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   AKSANIO CTA
   ============================================ */
.aksanio-cta {
    background: var(--white);
    padding: 5rem 0;
}

.aksanio-banner {
    background: linear-gradient(145deg, var(--navy) 0%, var(--navy-mid) 100%);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.aksanio-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 90% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 10% 80%, rgba(201, 168, 76, 0.08) 0%, transparent 50%);
}

.aksanio-banner-content {
    position: relative;
    padding: 3.5rem;
}

.aksanio-banner-content .section-tag {
    color: var(--gold-light);
}

.aksanio-banner-logo {
    display: inline-block;
    margin-bottom: 1rem;
}

.aksanio-logo-img {
    height: 36px;
    width: auto;
    opacity: 0.9;
    transition: var(--transition);
}

.aksanio-banner-logo:hover .aksanio-logo-img {
    opacity: 1;
}

.aksanio-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.aksanio-brand {
    color: var(--blue-light);
}

.aksanio-banner-content p {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    max-width: 640px;
    margin-bottom: 1rem;
}

.aksanio-banner-content p strong {
    color: rgba(255,255,255,0.9);
}

.btn-aksanio {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    border: none;
    letter-spacing: 0.025em;
    background: var(--blue);
    color: var(--white);
    margin-top: 1rem;
    transition: var(--transition);
}

.btn-aksanio:hover {
    background: var(--blue-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

/* ============================================
   INLINE LINKS
   ============================================ */
.hero-inline-link {
    color: var(--gold-light);
    text-decoration: none;
    transition: var(--transition);
}

.hero-inline-link:hover {
    color: var(--white);
    text-decoration: underline;
}

.text-link {
    color: var(--blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.text-link:hover {
    color: var(--blue-light);
    text-decoration: underline;
}

.nav-aksanio {
    display: inline-flex !important;
    align-items: center !important;
    padding: 0.35rem 0.75rem !important;
}

.nav-aksanio-logo {
    height: 18px;
    width: auto;
    opacity: 0.8;
    transition: var(--transition);
}

.nav-aksanio:hover .nav-aksanio-logo {
    opacity: 1;
}

.footer-link {
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--gold-light);
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-intro {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--blue);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    color: var(--blue);
    margin-top: 2px;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.25rem;
}

.contact-card a,
.contact-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-card a:hover {
    color: var(--blue);
}

.contact-form-wrapper {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--gray-50);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--blue);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--navy);
    padding: 2.5rem 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-divider {
    color: rgba(255,255,255,0.25);
    font-size: 0.75rem;
}

.footer-aksanio-logo {
    display: inline-flex;
    align-items: center;
}

.footer-aksanio-img {
    height: 20px;
    width: auto;
    opacity: 0.6;
    transition: var(--transition);
}

.footer-aksanio-logo:hover .footer-aksanio-img {
    opacity: 0.9;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.social-link:hover {
    background: rgba(255,255,255,0.15);
    color: var(--white);
    border-color: rgba(255,255,255,0.3);
}

.social-link svg {
    width: 16px;
    height: 16px;
}

.footer p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-highlights {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 4.5rem 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--navy);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 0;
        transition: right 0.3s ease;
        box-shadow: -10px 0 30px rgba(0,0,0,0.2);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }

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

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .edu-card {
        flex-direction: column;
        gap: 0.75rem;
    }

    .timeline::before {
        left: 17px;
    }

    .timeline-item {
        padding-left: 52px;
    }

    .timeline-marker {
        left: 10px;
    }

    .timeline-logo {
        width: 36px;
        height: 36px;
        top: 1.25rem;
        right: 1.25rem;
        padding: 4px;
    }

    .edu-logo {
        width: 40px;
        height: 40px;
    }

    .aksanio-banner-content {
        padding: 2.5rem 1.75rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .hero {
        padding: 5rem 1.25rem 3rem;
    }

    .hero-badge {
        font-size: 0.7rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .board-cert {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}