/**
 * Vladmir Cruz - Master Stylesheet
 * Modern, Responsive, High-Performance, Glassmorphism, CSS Custom Properties
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;600;700&family=Outfit:wght@500;600;700;800&display=swap');

:root {
    --bg-main: #090d16;
    --bg-secondary: #0f172a;
    --bg-card: rgba(15, 23, 42, 0.75);
    --bg-card-hover: rgba(30, 41, 59, 0.85);
    --border-card: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(249, 115, 22, 0.35);

    --primary-orange: #f97316;
    --primary-orange-hover: #ea580c;
    --primary-orange-glow: rgba(249, 115, 22, 0.3);
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-light: #ffffff;

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --container-max-w: 1240px;
    --nav-height: 80px;
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 14px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
    font-size: 16px;
    color-scheme: dark;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
}

/* Background Ambient Glows */
body::before {
    content: '';
    position: fixed;
    top: -200px;
    left: 20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.09) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    bottom: -150px;
    right: 15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-orange-hover);
}

img, svg {
    display: inline-block;
    vertical-align: middle;
    max-width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-light);
    line-height: 1.25;
    font-weight: 700;
}

p {
    margin-bottom: 1.25rem;
}

p:last-child {
    margin-bottom: 0;
}

.container {
    width: 100%;
    max-width: var(--container-max-w);
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
    position: relative;
    z-index: 1;
}

/* Badges & Section Tags */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(249, 115, 22, 0.12);
    border: 1px solid var(--border-accent);
    color: var(--primary-orange);
    border-radius: var(--border-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.section-tag svg {
    width: 16px;
    height: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin-bottom: 48px;
}

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

.text-center .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* =====================================================================
   HEADER & NAVIGATION
   ===================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.scrolled {
    background-color: rgba(9, 13, 22, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-card);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.nav-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.brand-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-orange);
    box-shadow: 0 0 12px var(--primary-orange-glow);
    transition: transform var(--transition-fast);
}

.brand-link:hover .brand-avatar {
    transform: scale(1.08);
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 28px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-orange);
    transition: width var(--transition-normal);
    border-radius: 2px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-light);
}

.nav-link.active::after,
.nav-link:hover::after {
    width: 100%;
}

/* Language Switcher */
.lang-switcher {
    display: inline-flex;
    align-items: center;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-full);
    padding: 4px;
    gap: 4px;
}

.lang-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: all var(--transition-fast);
    line-height: 1;
}

.lang-btn svg {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.lang-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.lang-btn.active {
    opacity: 1;
    box-shadow: 0 0 0 2px var(--primary-orange);
    transform: scale(1.12);
}

/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle svg {
    width: 28px;
    height: 28px;
}

/* =====================================================================
   HERO SECTION
   ===================================================================== */
.hero-section {
    padding-top: calc(var(--nav-height) + 60px);
    padding-bottom: 90px;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--border-radius-full);
    color: #34d399;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-status-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: statusPulse 2s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes statusPulse {
    to {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #ffffff 30%, var(--primary-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 1.8vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

/* Button Component System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--border-radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-hover) 100%);
    color: #ffffff;
    box-shadow: 0 8px 20px var(--primary-orange-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(249, 115, 22, 0.45);
    color: #ffffff;
}

.btn-secondary {
    background: rgba(30, 41, 59, 0.6);
    color: var(--text-light);
    border: 1px solid var(--border-card);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(51, 65, 85, 0.8);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    transform: translateY(-2px);
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(3px);
}

/* Hero Stats Strip */
.hero-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    width: 100%;
    padding-top: 36px;
    border-top: 1px solid var(--border-card);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-light);
    line-height: 1.1;
    margin-bottom: 4px;
}

.stat-number .highlight {
    color: var(--primary-orange);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Hero Visual & Profile Card */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-img-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 4 / 5;
    border-radius: var(--border-radius-lg);
    padding: 12px;
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.9) 100%);
    border: 1px solid var(--border-card);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.hero-img-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--border-radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.4), transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.hero-portrait {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--border-radius-lg) - 8px);
    filter: contrast(1.04) brightness(0.98);
}

.floating-badge {
    position: absolute;
    bottom: -15px;
    right: -10px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--border-accent);
    backdrop-filter: blur(12px);
    border-radius: var(--border-radius-md);
    padding: 14px 18px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 12px;
}

.floating-badge-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(249, 115, 22, 0.15);
    color: var(--primary-orange);
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-badge-icon svg {
    width: 20px;
    height: 20px;
}

.floating-badge-text {
    display: flex;
    flex-direction: column;
}

.floating-badge-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-light);
}

.floating-badge-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* =====================================================================
   ABOUT SECTION
   ===================================================================== */
.about-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    position: relative;
    border-top: 1px solid var(--border-card);
    border-bottom: 1px solid var(--border-card);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}

.about-narrative p {
    font-size: 1.075rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-info-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 32px;
    margin-bottom: 32px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-md);
}

.info-item svg {
    width: 20px;
    height: 20px;
    color: var(--primary-orange);
    flex-shrink: 0;
}

.info-label {
    font-weight: 600;
    color: var(--text-light);
    margin-right: 6px;
}

.info-val {
    color: var(--text-secondary);
}

.about-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.about-cards-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-md);
    padding: 24px;
    backdrop-filter: blur(12px);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.summary-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
}

.summary-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.summary-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(249, 115, 22, 0.12);
    color: var(--primary-orange);
    display: flex;
    align-items: center;
    justify-content: center;
}

.summary-card-icon svg {
    width: 22px;
    height: 22px;
}

.summary-card-title {
    font-size: 1.15rem;
    color: var(--text-light);
}

.summary-card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* =====================================================================
   EXECUTIVE PILLARS
   ===================================================================== */
.pillars-section {
    padding: 100px 0;
    position: relative;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 28px;
}

.pillar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-lg);
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.pillar-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-orange);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 25px var(--primary-orange-glow);
}

.pillar-icon-box {
    width: 58px;
    height: 58px;
    border-radius: 14px;
    background: rgba(249, 115, 22, 0.12);
    color: var(--primary-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.pillar-card:hover .pillar-icon-box {
    background: var(--primary-orange);
    color: #0f172a;
    transform: scale(1.08);
}

.pillar-icon-box svg {
    width: 30px;
    height: 30px;
}

.pillar-card h3 {
    font-size: 1.35rem;
    margin-bottom: 14px;
    color: var(--text-light);
}

.pillar-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
}

/* =====================================================================
   SERVICES & WHAT I DO
   ===================================================================== */
.services-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-card);
    border-bottom: 1px solid var(--border-card);
}

.services-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.filter-btn {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    padding: 8px 18px;
    border-radius: var(--border-radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    color: var(--text-light);
    border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
    background: var(--primary-orange);
    color: #ffffff;
    border-color: var(--primary-orange);
    box-shadow: 0 4px 14px var(--primary-orange-glow);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-md);
    padding: 30px;
    transition: transform var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
}

.service-card.filtered-out {
    opacity: 0;
    transform: scale(0.95);
}

.service-card-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.service-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(249, 115, 22, 0.1);
    color: var(--primary-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    font-size: 1.15rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.925rem;
    line-height: 1.6;
}

/* =====================================================================
   CAREER TIMELINE
   ===================================================================== */
.career-section {
    padding: 100px 0;
    position: relative;
}

.timeline {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-orange), rgba(249, 115, 22, 0.1));
}

@media (min-width: 768px) {
    .timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

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

.timeline-node {
    position: absolute;
    top: 24px;
    left: 11px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-main);
    border: 3px solid var(--primary-orange);
    box-shadow: 0 0 10px var(--primary-orange-glow);
    z-index: 2;
}

@media (min-width: 768px) {
    .timeline-node {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-content {
    margin-left: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-md);
    padding: 28px;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.timeline-content:hover {
    border-color: var(--border-accent);
    transform: translateY(-3px);
}

@media (min-width: 768px) {
    .timeline-item:nth-child(odd) .timeline-content {
        margin-left: 0;
        margin-right: calc(50% + 30px);
        text-align: right;
    }

    .timeline-item:nth-child(even) .timeline-content {
        margin-left: calc(50% + 30px);
        margin-right: 0;
        text-align: left;
    }
}

.timeline-date {
    display: inline-block;
    font-size: 0.825rem;
    font-weight: 700;
    color: var(--primary-orange);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}

.timeline-role {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.timeline-org {
    font-size: 1rem;
    color: var(--accent-cyan);
    font-weight: 600;
    margin-bottom: 12px;
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
}

/* =====================================================================
   ACADEMIC & THOUGHT LEADERSHIP
   ===================================================================== */
.academic-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-card);
    border-bottom: 1px solid var(--border-card);
}

.academic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.academic-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-md);
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
    color: inherit;
}

.academic-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.academic-card-top {
    margin-bottom: 16px;
}

.academic-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.academic-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.775rem;
    font-weight: 700;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(6, 182, 212, 0.1);
    padding: 4px 10px;
    border-radius: var(--border-radius-full);
}

.academic-badge.badge-article {
    color: var(--primary-orange);
    background: rgba(249, 115, 22, 0.1);
}

.academic-channel {
    font-size: 0.825rem;
    color: var(--text-muted);
    font-weight: 500;
}

.academic-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    line-height: 1.4;
    color: var(--text-light);
}

.academic-card p {
    color: var(--text-secondary);
    font-size: 0.925rem;
    line-height: 1.6;
}

.academic-cta-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-orange);
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.academic-card:hover .academic-cta-link {
    gap: 12px;
    color: var(--primary-orange-hover);
}

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

/* =====================================================================
   CONTACT SECTION & FORM
   ===================================================================== */
.contact-section {
    padding: 100px 0;
    position: relative;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 40px;
    align-items: start;
    margin-top: 48px;
}

/* Left: Info Panel */
.contact-info-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-lg);
    padding: 36px 30px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.25);
}

.contact-info-panel h3 {
    font-size: 1.35rem;
    color: var(--text-light);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-card);
}

.contact-channel-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-channel-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    border-radius: var(--border-radius-sm);
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.contact-channel-item:hover {
    background: rgba(15, 23, 42, 0.85);
    border-color: rgba(249, 115, 22, 0.3);
    transform: translateX(4px);
}

.contact-channel-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(249, 115, 22, 0.12);
    color: var(--primary-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-channel-icon svg {
    width: 22px;
    height: 22px;
}

.contact-channel-content {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.contact-channel-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 3px;
}

.contact-channel-val {
    font-size: 0.95rem;
    font-weight: 600;
}

.contact-channel-val a {
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
    word-break: break-all;
}

.contact-channel-val a:hover {
    color: var(--primary-orange);
    text-decoration: underline;
}

/* Right: Form Panel */
.contact-form-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 22px;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid #1e293b;
    border-radius: var(--border-radius-sm);
    color: var(--text-light);
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.5;
    transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
    box-sizing: border-box;
}

.form-control::placeholder {
    color: #475569;
    font-size: 0.9rem;
}

.form-control:focus {
    outline: none;
    background: rgba(15, 23, 42, 0.95);
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px var(--primary-orange-glow);
}

textarea.form-control {
    resize: vertical;
    min-height: 130px;
}

/* Invisible Smart Shield Badge */
.shield-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--border-radius-sm);
    color: var(--text-muted);
    font-size: 0.825rem;
    margin-bottom: 24px;
}

.shield-badge svg {
    width: 18px;
    height: 18px;
    color: var(--accent-emerald);
    flex-shrink: 0;
}

/* Status Alert */
.form-status-alert {
    display: none;
    padding: 16px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    font-size: 0.95rem;
    font-weight: 500;
}

.form-status-alert.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid #10b981;
    color: #34d399;
}

.form-status-alert.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid #ef4444;
    color: #f87171;
}

.alert-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Honeypot hidden input */
.website-trap {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    height: 0;
    width: 0;
    z-index: -1;
}

/* =====================================================================
   FOOTER
   ===================================================================== */
.site-footer {
    padding: 48px 0;
    background-color: var(--bg-main);
    border-top: 1px solid var(--border-card);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-light);
}

.footer-copy {
    margin: 0;
    text-align: center;
    line-height: 1.6;
    color: var(--text-muted);
}

.footer-social-links {
    display: flex;
    gap: 16px;
}

.footer-social-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #1e293b;
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.footer-social-btn:hover {
    background: var(--primary-orange);
    color: #0f172a;
    transform: translateY(-3px);
}

.footer-social-btn svg {
    width: 20px;
    height: 20px;
}

/* Back to Top Floating Button */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #1e293b;
    border: 1px solid var(--border-card);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-fast);
}

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

.back-to-top:hover {
    background: var(--primary-orange);
    color: #0f172a;
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
}

/* =====================================================================
   SCROLL REVEAL ANIMATIONS
   ===================================================================== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* =====================================================================
   RESPONSIVE MEDIA QUERIES
   ===================================================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-visual {
        order: -1;
    }

    .hero-img-card {
        max-width: 320px;
        margin: 0 auto;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .site-header {
        height: 70px;
    }

    .mobile-toggle {
        display: block;
    }

    .primary-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(9, 13, 22, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 24px;
        gap: 24px;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        z-index: 999;
        overflow-y: auto;
    }

    .primary-nav.open {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        width: 100%;
    }

    .nav-link {
        font-size: 1.25rem;
    }

    .hero-stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .hero-stats-row {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   International Telephone Input (intl-tel-input) Theme Integration
   ========================================================================== */
.iti {
    width: 100%;
    display: block;
    position: relative;
}

.iti input,
.iti input[type="tel"] {
    width: 100%;
    background-color: rgba(15, 23, 42, 0.6) !important;
    border: 1px solid var(--border-card) !important;
    border-radius: var(--radius-md) !important;
    color: var(--text-primary) !important;
    font-size: 15px !important;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.iti input:focus,
.iti input[type="tel"]:focus {
    border-color: var(--primary-orange) !important;
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2) !important;
    outline: none !important;
}

.iti__selected-flag {
    background-color: rgba(255, 255, 255, 0.04) !important;
    border-top-left-radius: var(--radius-md) !important;
    border-bottom-left-radius: var(--radius-md) !important;
    padding: 0 10px 0 14px !important;
    transition: background-color 0.2s ease !important;
}

.iti__selected-flag:hover {
    background-color: rgba(255, 255, 255, 0.08) !important;
}

.iti--separate-dial-code .iti__selected-dial-code {
    color: #94a3b8 !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    margin-left: 6px !important;
}

.iti__arrow {
    border-top-color: #94a3b8 !important;
    margin-left: 6px !important;
}

.iti__arrow--up {
    border-bottom-color: var(--primary-orange) !important;
}

.iti__country-list {
    background-color: #0f172a !important;
    border: 1px solid #334155 !important;
    border-radius: var(--radius-md) !important;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65) !important;
    color: #e2e8f0 !important;
    font-family: inherit !important;
    z-index: 1000 !important;
    max-height: 240px !important;
    margin-top: 4px !important;
}

.iti__country {
    padding: 9px 14px !important;
    outline: none !important;
    transition: background-color 0.15s ease !important;
}

.iti__country:hover,
.iti__country.iti__highlight {
    background-color: rgba(249, 115, 22, 0.15) !important;
    color: #ffffff !important;
}

.iti__country-name {
    color: #f1f5f9 !important;
    font-size: 13.5px !important;
    font-weight: 500 !important;
}

.iti__dial-code {
    color: #94a3b8 !important;
    font-size: 13px !important;
}

.iti__divider {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.iti__country-list::-webkit-scrollbar {
    width: 6px;
}

.iti__country-list::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.8);
}

.iti__country-list::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

.iti__country-list::-webkit-scrollbar-thumb:hover {
    background: #475569;
}