/* ==========================================================================
   PORTFOLIO STYLESHEET - RAM VINAYAK
   Pure Onyx Dark Theme with Crisp Light Blue Accents.
   Precision rectilinear buttons. Micro-animations. No emoji. No em dashes.
   ========================================================================== */

:root {
    --bg-base: #050505;
    --bg-surface: #0d0d0f;
    --bg-surface-raised: #141416;
    --bg-surface-active: #1c1c20;

    --border-subtle: #1b1b1e;
    --border-default: #26262b;
    --border-hover: #3a3a42;
    --border-accent: rgba(56, 189, 248, 0.45);

    --text-primary: #f4f4f6;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    /* Light Blue Accent */
    --accent: #38bdf8;
    --accent-hover: #7dd3fc;
    --accent-subtle: rgba(56, 189, 248, 0.1);
    --accent-glow: rgba(56, 189, 248, 0.18);

    --success: #10b981;
    --success-subtle: rgba(16, 185, 129, 0.12);
    --success-border: rgba(16, 185, 129, 0.3);

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    --container-max: 1140px;
}

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

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Scroll progress bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    transform: scaleX(0);
    transform-origin: left;
    background: linear-gradient(90deg, var(--accent), #7dd3fc);
    z-index: 9999;
    pointer-events: none;
    transition: transform 0.08s linear;
}

::selection {
    background-color: var(--accent);
    color: #000000;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: transparent;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* Sections */
.section {
    padding: 92px 0;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
}

.section-dark {
    background-color: var(--bg-surface);
}

.section-heading {
    margin-bottom: 44px;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent);
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1.25;
}

.section-desc {
    margin-top: 8px;
    font-size: 0.98rem;
    color: var(--text-secondary);
    max-width: 640px;
}

/* Reveal micro-animations on scroll */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.site-header.scrolled {
    background: rgba(5, 5, 5, 0.96);
    border-bottom-color: var(--border-default);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    transition: border-color 0.2s ease;
}

.brand-link:hover .brand-badge {
    border-color: var(--accent);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 26px;
}

.nav-link {
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 0;
    position: relative;
    transition: color 0.15s ease;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.15s ease;
}

.nav-cta:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-surface-active);
}

.mobile-toggle {
    display: none;
    padding: 8px 10px;
    color: var(--text-primary);
    font-size: 1.2rem;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
}

/* ==========================================================================
   BUTTONS (Strictly Rectilinear, No Pill Shapes)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
    white-space: nowrap;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent);
    border: 1px solid var(--accent);
    color: #050505;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 0 16px var(--accent-glow);
}

.btn-secondary {
    background-color: var(--bg-surface-raised);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--bg-surface-active);
    border-color: var(--border-hover);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-default);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background-color: var(--accent-subtle);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn:active {
    transform: translateY(1px);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding: 140px 0 84px;
    border-bottom: 1px solid var(--border-subtle);
    background: radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.04), transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(20, 20, 20, 0.6), transparent 50%),
                var(--bg-base);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.status-dot {
    width: 7px;
    height: 7px;
    background-color: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.hero-eyebrow {
    font-size: 0.82rem;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.hero-name {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.12;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.hero-typing-wrap {
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.4;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.hero-typing-wrap strong {
    color: var(--text-primary);
}

.typing-text {
    color: var(--accent);
    font-family: var(--font-mono);
    font-weight: 600;
}

.typing-cursor {
    color: var(--accent);
    font-weight: 300;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.68;
    margin-bottom: 28px;
    max-width: 610px;
}

.hero-description strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
}

.hero-profiles {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 18px;
    border-top: 1px solid var(--border-subtle);
}

.hero-profiles-label {
    font-size: 0.78rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.hero-social-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.hero-social-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: var(--bg-surface-raised);
}

/* ==========================================================================
   HERO PROFILE CARD (Small, Compact, Refined)
   ========================================================================== */
.hero-card-wrap {
    display: flex;
    justify-content: center;
}

.hero-card {
    width: 100%;
    max-width: 330px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 26px 22px;
    text-align: center;
    box-shadow: 0 18px 40px -10px rgba(0, 0, 0, 0.7);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.hero-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* Compact Profile Image */
.profile-image-frame {
    width: 96px;
    height: 96px;
    margin: 0 auto 16px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border-default);
    background: var(--bg-surface-raised);
    box-shadow: 0 0 0 4px var(--accent-subtle);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.hero-card:hover .profile-image-frame {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.profile-image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.profile-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.profile-tagline {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 3px;
    margin-bottom: 14px;
}

.profile-badge-role {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.74rem;
    font-family: var(--font-mono);
    color: var(--accent);
    margin-bottom: 18px;
}

.profile-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    text-align: left;
    padding-top: 14px;
    border-top: 1px solid var(--border-subtle);
}

.profile-stat-box {
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
}

.profile-stat-label {
    display: block;
    font-size: 0.68rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    color: var(--text-muted);
}

.profile-stat-val {
    display: block;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2px;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.95fr;
    gap: 48px;
    align-items: start;
}

.about-text p {
    font-size: 0.98rem;
    color: var(--text-secondary);
    line-height: 1.72;
    margin-bottom: 18px;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-text strong {
    color: var(--text-primary);
}

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

.about-feature-card {
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.about-feature-card:hover {
    border-color: var(--border-hover);
    transform: translateX(3px);
}

.about-feature-icon {
    font-size: 1.15rem;
    color: var(--accent);
    margin-top: 3px;
    width: 26px;
    flex-shrink: 0;
    text-align: center;
}

.about-feature-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.about-feature-desc {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================================================
   EXPERIENCE SECTION (Railway Java Internship)
   ========================================================================== */
.experience-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 30px;
    position: relative;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.experience-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 14px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 20px;
}

.experience-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.experience-org {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: 2px;
}

.experience-loc {
    font-size: 0.84rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.experience-date-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.experience-list {
    list-style: none;
    margin-bottom: 22px;
}

.experience-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 12px;
    font-size: 0.94rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.experience-list li:last-child {
    margin-bottom: 0;
}

.experience-list li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 9px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 1px;
}

.experience-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 18px;
    border-top: 1px solid var(--border-subtle);
}

.tech-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    padding: 3px 8px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.74rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.tech-tag.highlight {
    border-color: var(--border-accent);
    color: var(--accent);
    background: var(--accent-subtle);
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.projects-grid .project-card.featured {
    grid-column: span 2;
}

.project-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 26px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: 0 14px 30px -10px rgba(0, 0, 0, 0.6);
}

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

.project-category-badge {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
}

.project-tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.project-tag-pill.live {
    background: var(--success-subtle);
    border-color: var(--success-border);
    color: #6ee7b7;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.project-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-bullets {
    list-style: none;
    margin-bottom: 20px;
}

.project-bullets li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.project-bullets li:last-child {
    margin-bottom: 0;
}

.project-bullets li::before {
    content: '-';
    position: absolute;
    left: 2px;
    color: var(--accent);
    font-weight: 700;
}

.project-footer {
    padding-top: 18px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 6px 12px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.project-link-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-subtle);
}

/* ==========================================================================
   TECHNICAL SKILLS SECTION (Java Prioritized #1)
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.skill-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 22px;
    transition: border-color 0.15s ease;
}

.skill-card.primary-focus {
    border-color: var(--border-accent);
    background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.05), transparent 70%), var(--bg-surface);
}

.skill-card:hover {
    border-color: var(--border-hover);
}

.skill-card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.skill-card-icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 0.95rem;
}

.skill-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-chips-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.84rem;
    color: var(--text-primary);
    transition: border-color 0.15s ease;
}

.skill-chip.primary {
    border-color: var(--border-accent);
    background: var(--accent-subtle);
    color: #ffffff;
}

.skill-chip:hover {
    border-color: var(--accent);
}

.skill-chip span.note {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

/* ==========================================================================
   EDUCATION & CERTIFICATIONS (CGPA & 12th Reside ONLY Here)
   ========================================================================== */
.edu-cert-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.timeline-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.timeline-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: border-color 0.15s ease;
}

.timeline-card:hover {
    border-color: var(--border-hover);
}

.timeline-top-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 6px;
}

.timeline-degree {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.timeline-period {
    font-size: 0.74rem;
    font-family: var(--font-mono);
    padding: 2px 8px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

.timeline-school {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 8px;
}

.timeline-metric-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    background: var(--accent-subtle);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-notes {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.cert-entry {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    transition: border-color 0.15s ease;
}

.cert-entry:hover {
    border-color: var(--border-hover);
}

.cert-entry-content h4 {
    font-size: 0.94rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.cert-entry-content p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 3px;
}

.cert-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: #6ee7b7;
    background: var(--success-subtle);
    border: 1px solid var(--success-border);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

/* ==========================================================================
   ACTIVITIES & LEADERSHIP
   ========================================================================== */
.activities-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.activity-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 22px;
    transition: border-color 0.15s ease;
}

.activity-box:hover {
    border-color: var(--border-hover);
}

.activity-heading {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.activity-club {
    font-size: 0.84rem;
    font-family: var(--font-mono);
    color: var(--accent);
    margin-bottom: 10px;
}

.activity-text {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 24px;
}

.channel-card {
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.channel-card:hover {
    border-color: var(--accent);
    transform: translateX(3px);
}

.channel-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.channel-meta-label {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    text-transform: uppercase;
}

.channel-meta-val {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-card-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 28px;
}

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

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

.form-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-subtle);
}

.form-input::placeholder {
    color: var(--text-muted);
}

textarea.form-input {
    min-height: 110px;
    resize: vertical;
}

.form-status {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ==========================================================================
   FOOTER (Clean, No Promotion of Domain)
   ========================================================================== */
.site-footer {
    padding: 44px 0 30px;
    background: #020202;
    border-top: 1px solid var(--border-subtle);
}

.footer-inner-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 22px;
}

.footer-title {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
}

.footer-nav-links a {
    font-size: 0.84rem;
    color: var(--text-secondary);
    transition: color 0.15s ease;
}

.footer-nav-links a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.footer-inner-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ==========================================================================
   LEGAL PAGES STYLING (Privacy & Terms)
   ========================================================================== */
.legal-header-block {
    padding: 124px 0 36px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
}

.legal-body-wrap {
    padding: 56px 0 84px;
}

.legal-article {
    max-width: 780px;
    margin: 0 auto;
}

.legal-article h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 32px;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-subtle);
}

.legal-article p {
    font-size: 0.94rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.legal-article ul {
    list-style: square;
    padding-left: 22px;
    margin-bottom: 18px;
}

.legal-article li {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 6px;
}

.legal-article code {
    font-family: var(--font-mono);
    background: var(--bg-surface-raised);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.84rem;
    border: 1px solid var(--border-subtle);
}

.back-btn-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 20px;
}

.back-btn-link:hover {
    text-decoration: underline;
}

/* ==========================================================================
   UTILITY & ACCESSIBILITY
   ========================================================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 10px;
    background: var(--accent);
    color: #000000;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 700;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 10px;
}

.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 38px;
    height: 38px;
    background: var(--bg-surface-raised);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, background 0.15s ease, border-color 0.15s ease;
    z-index: 90;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--bg-surface-active);
    border-color: var(--accent);
    color: var(--accent);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .projects-grid .project-card.featured {
        grid-column: span 1;
    }

    .edu-cert-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .hero-section {
        padding: 110px 0 54px;
    }

    .hero-name {
        font-size: 2.3rem;
    }

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

    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 68px;
        left: 0;
        width: 100%;
        background: var(--bg-base);
        border-bottom: 1px solid var(--border-default);
        flex-direction: column;
        align-items: flex-start;
        padding: 18px 24px;
        gap: 14px;
        transform: translateY(-130%);
        transition: transform 0.25s ease;
        visibility: hidden;
    }

    .nav-menu.open {
        transform: translateY(0);
        visibility: visible;
    }

    .nav-link {
        width: 100%;
        padding: 8px 0;
        font-size: 1rem;
    }

    .nav-cta {
        display: none;
    }

    .footer-inner-top,
    .footer-inner-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}