/* ============================================
   Onward Digital - Portfolio Styles
   ============================================ */

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

:root {
    /* Colors - Warm Professional Palette */
    --bg-primary: #FAFAF7;
    --bg-secondary: #F2F0EB;
    --bg-card: #FFFFFF;
    --bg-hero: #1B2D45;
    --bg-hero-light: #243B55;

    --text-primary: #1C1C1C;
    --text-secondary: #555555;
    --text-muted: #888888;
    --text-on-dark: #F5F5F0;
    --text-on-dark-secondary: #C0C5CE;

    --accent: #1E3A5F;
    --accent-light: #2A5080;
    --accent-warm: #C49A2A;
    --accent-warm-light: #D4AD3E;

    --border-color: rgba(0, 0, 0, 0.08);
    --border-color-hover: rgba(0, 0, 0, 0.15);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

    /* Typography */
    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1140px;
    --container-padding: 0 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.35s ease;

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
}


/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-medium);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: white;
}

.navbar:not(.scrolled) .logo-icon {
    background: var(--accent-warm);
}

.logo-text {
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.navbar:not(.scrolled) .logo-text {
    color: white;
}

.logo-accent {
    color: var(--accent);
    font-weight: 700;
}

.navbar:not(.scrolled) .logo-accent {
    color: var(--accent-warm);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.navbar:not(.scrolled) .nav-link {
    color: var(--text-on-dark-secondary);
}

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

.navbar:not(.scrolled) .nav-link:hover {
    color: white;
}

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.navbar:not(.scrolled) .nav-toggle span {
    background: white;
}


/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hero);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% 0%, rgba(196, 154, 42, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 60%, rgba(30, 58, 95, 0.2) 0%, transparent 60%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
}

.hero-orb {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 780px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-on-dark-secondary);
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-warm);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(196, 154, 42, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(196, 154, 42, 0); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.6rem, 6vw, 4.2rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--text-on-dark);
}

.title-line {
    display: block;
}

.title-gradient {
    color: var(--accent-warm);
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.75;
    color: var(--text-on-dark-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 56px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-warm);
    color: var(--bg-hero);
}

.btn-primary:hover {
    background: var(--accent-warm-light);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(196, 154, 42, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--text-on-dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

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

.btn-primary-dark:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(30, 58, 95, 0.2);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--accent-warm);
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-on-dark-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(255, 255, 255, 0.12);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-on-dark-secondary);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.6;
    animation: fadeInUp 1s ease 1.5s backwards;
}

.scroll-mouse {
    width: 22px;
    height: 34px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 11px;
    position: relative;
}

.scroll-wheel {
    width: 3px;
    height: 7px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 2px;
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(8px); }
}


/* --- Section Commons --- */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(30, 58, 95, 0.06);
    border: 1px solid rgba(30, 58, 95, 0.12);
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 3.5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}


/* --- Portfolio Section --- */
.portfolio {
    padding: var(--section-padding);
    position: relative;
    background: var(--bg-primary);
}

/* Filter Bar - hidden but kept for JS compatibility */
.filter-bar {
    display: none;
}

/* Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

/* Project Card */
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-sm);
}

.project-card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.project-card.hidden {
    display: none;
}

.card-preview {
    position: relative;
    width: 100%;
    height: 210px;
    overflow: hidden;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.card-preview iframe {
    width: 200%;
    height: 200%;
    border: none;
    transform: scale(0.5);
    transform-origin: top left;
    pointer-events: none;
    background: white;
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(27, 45, 69, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-medium);
}

.project-card:hover .card-overlay {
    opacity: 1;
}

.preview-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent-warm);
    border: none;
    border-radius: var(--radius-md);
    color: var(--bg-hero);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transform: translateY(8px);
    transition: var(--transition-medium);
}

.project-card:hover .preview-btn {
    transform: translateY(0);
}

.preview-btn:hover {
    background: var(--accent-warm-light);
}

.card-info {
    padding: 22px 24px 24px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.card-badge {
    display: none;
}

.card-description {
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    padding: 4px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.73rem;
    font-weight: 500;
    color: var(--text-muted);
}


/* --- About Section --- */
.about {
    padding: var(--section-padding);
    position: relative;
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 56px;
    align-items: start;
}

.about-content .section-tag {
    margin-bottom: 14px;
}

.about-content .section-title {
    margin-bottom: 20px;
}

.about-lead {
    font-size: 1.08rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 18px;
}

.about-text {
    font-size: 0.92rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.about-highlights {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlight {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.highlight-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 58, 95, 0.07);
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-md);
    color: var(--accent);
}

.highlight strong {
    display: block;
    font-size: 0.92rem;
    margin-bottom: 3px;
    color: var(--text-primary);
}

.highlight p {
    font-size: 0.83rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Experience / Services Card */
.experience-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 100px;
}

.experience-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.timeline {
    display: flex;
    flex-direction: column;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--accent-warm));
    border-radius: 1px;
}

.timeline-item {
    display: flex;
    gap: 18px;
    padding: 14px 0;
    position: relative;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    min-width: 16px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 3px solid var(--accent);
    position: relative;
    z-index: 1;
    margin-top: 2px;
}

.timeline-item:first-child .timeline-dot {
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(30, 58, 95, 0.1);
}

.timeline-date {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-content h4 {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    margin: 3px 0 2px;
    color: var(--text-primary);
}

.timeline-content p {
    font-size: 0.82rem;
    color: var(--text-secondary);
}


/* --- Skills Section --- */
.skills {
    padding: var(--section-padding);
    position: relative;
    background: var(--bg-primary);
}

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

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-sm);
}

.skill-category:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.skill-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 58, 95, 0.06);
    border: 1px solid rgba(30, 58, 95, 0.1);
    border-radius: var(--radius-md);
    color: var(--accent);
    margin: 0 auto 16px;
}

.skill-category h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.skill-item {
    padding: 7px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.skill-item:hover {
    color: var(--text-primary);
    border-color: var(--border-color-hover);
}


/* --- Contact Section --- */
.contact {
    padding: var(--section-padding);
    position: relative;
    background: var(--bg-hero);
}

.contact-content {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.contact-content .section-tag {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--accent-warm);
}

.contact-content .section-title {
    color: var(--text-on-dark);
    margin-bottom: 18px;
}

.contact-content .section-subtitle {
    color: var(--text-on-dark-secondary);
    margin-bottom: 36px;
}

.contact-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}


/* --- Footer --- */
.footer {
    padding: 40px 0;
    background: var(--bg-hero);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.footer-brand .logo-icon {
    width: 30px;
    height: 30px;
    font-size: 0.85rem;
    background: var(--accent-warm);
}

.footer-brand .logo-text {
    color: var(--text-on-dark);
    font-size: 1rem;
}

.footer-brand .logo-accent {
    color: var(--accent-warm);
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--text-on-dark-secondary);
    margin-bottom: 20px;
}

.footer-divider {
    width: 50px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 auto 20px;
}

.footer-copy {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.35);
}


/* --- Project Modal --- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-medium);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
}

.modal-container {
    position: relative;
    width: 92vw;
    height: 88vh;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.97) translateY(12px);
    transition: var(--transition-medium);
    box-shadow: var(--shadow-xl);
}

.modal.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 22px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.modal-body {
    flex: 1;
    overflow: hidden;
}

.modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
}


/* --- Contact Popup --- */
.contact-popup {
    position: fixed;
    inset: 0;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-medium);
}

.contact-popup.active {
    opacity: 1;
    pointer-events: all;
}

.contact-popup-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.contact-popup-box {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px 44px;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95) translateY(10px);
    transition: var(--transition-medium);
    min-width: 360px;
    max-width: 440px;
}

.contact-popup.active .contact-popup-box {
    transform: scale(1) translateY(0);
}

.contact-popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.contact-popup-close:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.contact-popup-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 28px;
}

.contact-popup-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-popup-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.contact-popup-item:hover {
    border-color: var(--accent);
    background: rgba(30, 58, 95, 0.04);
}

.contact-popup-item svg {
    color: var(--accent);
    flex-shrink: 0;
}

@media (max-width: 480px) {
    .contact-popup-box {
        min-width: auto;
        margin: 0 16px;
        padding: 32px 28px;
    }
}


/* --- Animations --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}


/* --- Responsive --- */
@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .experience-card {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 72px 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
    }

    .navbar:not(.scrolled) .nav-links {
        background: rgba(27, 45, 69, 0.98);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: clamp(2rem, 7vw, 3.2rem);
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

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

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.3rem;
    }

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

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

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 14px;
    }

    .stat-divider {
        width: 36px;
        height: 1px;
    }

    .section-title {
        font-size: 1.7rem;
    }
}