/* CSS Design System & Stylesheet for Premium Portfolio Blueprint */

/* ----------------------------------------------------
   1. Design System & Custom Properties (Variables)
   ---------------------------------------------------- */
:root {
    /* Color Palette */
    --clr-bg: #09090b;
    --clr-surface: #121215;
    --clr-surface-card: #16161a;
    --clr-border: #222227;
    --clr-border-glow: #32323a;
    
    --clr-gold: #e5a93b;
    --clr-gold-hover: #f5b94b;
    --clr-gold-muted: rgba(229, 169, 59, 0.15);
    --clr-gold-glow: rgba(229, 169, 59, 0.4);
    
    --clr-text-primary: #ffffff;
    --clr-text-secondary: #94949e;
    --clr-text-muted: #64646e;
    
    /* Font Families */
    --ff-serif: 'Cormorant Garamond', Georgia, serif;
    --ff-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout Spacing */
    --container-max-width: 1200px;
    --header-height: 80px;
}

/* ----------------------------------------------------
   2. Reset & Global Styles
   ---------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--clr-bg);
    color: var(--clr-text-secondary);
    font-family: var(--ff-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

button, input, textarea {
    font-family: inherit;
    font-size: inherit;
    background: none;
    border: none;
    outline: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--clr-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--clr-border);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--clr-gold-muted);
}

/* ----------------------------------------------------
   3. Typography & Utilities
   ---------------------------------------------------- */
.font-serif {
    font-family: var(--ff-serif);
}

.text-gold {
    color: var(--clr-gold);
}

.italic {
    font-style: italic;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.section-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--clr-gold);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.section-tag::before {
    content: '';
    display: block;
    width: 24px;
    height: 1px;
    background-color: var(--clr-gold);
}

.section-title {
    font-family: var(--ff-serif);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 500;
    color: var(--clr-text-primary);
    line-height: 1.1;
    margin-bottom: 30px;
}

/* ----------------------------------------------------
   4. Buttons & Badges
   ---------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--clr-gold);
    color: var(--clr-bg);
}

.btn-primary:hover {
    background-color: var(--clr-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--clr-gold-muted);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.03);
    border-color: var(--clr-text-primary);
    transform: translateY(-2px);
}

.btn-icon {
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--clr-gold-muted);
    background-color: rgba(229, 169, 59, 0.05);
    color: var(--clr-gold);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: 24px;
}

.badge-status .dot {
    width: 6px;
    height: 6px;
    background-color: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10b981;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ----------------------------------------------------
   5. Header & Navigation
   ---------------------------------------------------- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-border);
    z-index: 1000;
    transition: var(--transition-normal);
}

header.scrolled {
    height: 70px;
    background-color: rgba(9, 9, 11, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

.logo {
    font-family: var(--ff-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-text-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 36px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--clr-text-secondary);
}

.nav-link:hover, .nav-link.active {
    color: var(--clr-gold);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
}

.mobile-nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--clr-text-primary);
    margin: 5px 0;
    transition: var(--transition-fast);
}

/* ----------------------------------------------------
   6. Hero Section
   ---------------------------------------------------- */
#home {
    padding-top: calc(var(--header-height) + 40px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin-bottom: 60px;
}

.hero-title {
    font-family: var(--ff-serif);
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    font-weight: 500;
    line-height: 0.95;
    color: var(--clr-text-primary);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--clr-text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
    letter-spacing: 0.02em;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

/* Metrics Row */
.metrics-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    border-top: 1px solid var(--clr-border);
    padding-top: 40px;
}

.metric-card {
    position: relative;
}

.metric-line {
    width: 40px;
    height: 2px;
    background-color: var(--clr-gold);
    margin-bottom: 12px;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--clr-text-secondary);
    text-transform: capitalize;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.scroll-indicator:hover {
    color: var(--clr-gold);
}

.scroll-indicator svg {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-6px); }
    60% { transform: translateY(-3px); }
}

/* ----------------------------------------------------
   7. About Section
   ---------------------------------------------------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: start;
}

.about-left {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.about-text {
    font-size: 1rem;
    color: var(--clr-text-secondary);
    line-height: 1.7;
}

/* Photo Placeholder Box */
.photo-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    background-color: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.photo-placeholder:hover {
    border-color: var(--clr-gold-muted);
    color: var(--clr-gold);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.photo-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 30%, rgba(0,0,0,0.5) 100%);
    pointer-events: none;
}

.photo-placeholder-icon {
    width: 48px;
    height: 48px;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.photo-placeholder:hover .photo-placeholder-icon {
    opacity: 1;
}

/* Skills Column */
.about-right {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.skills-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.skills-title {
    font-family: var(--ff-serif);
    font-size: 2rem;
    font-weight: 500;
    color: var(--clr-text-primary);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--clr-text-primary);
}

.skill-bar {
    width: 100%;
    height: 2px;
    background-color: var(--clr-border);
    position: relative;
}

.skill-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background-color: var(--clr-gold);
    width: 0;
    transition: width 1.5s cubic-bezier(0.1, 1, 0.1, 1);
}

/* Personal Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.info-card {
    background-color: var(--clr-surface);
    border: 1px solid var(--clr-border);
    padding: 20px;
    border-radius: 4px;
    transition: var(--transition-normal);
}

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

.info-card-label {
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.info-card-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--clr-text-primary);
}

/* ----------------------------------------------------
   8. Services Section
   ---------------------------------------------------- */
.services-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.services-header .section-tag::before {
    display: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background-color: var(--clr-border);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--clr-border);
}

.service-card {
    background-color: var(--clr-surface-card);
    padding: 48px 36px;
    transition: var(--transition-normal);
    position: relative;
    z-index: 1;
}

.service-card:hover {
    background-color: var(--clr-surface);
    box-shadow: inset 0 0 30px rgba(0,0,0,0.4);
    z-index: 2;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 1px solid transparent;
    pointer-events: none;
    transition: var(--transition-normal);
}

.service-card:hover::after {
    border-color: var(--clr-border-glow);
}

.service-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 4px;
    background-color: var(--clr-gold-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-gold);
    margin-bottom: 28px;
    transition: var(--transition-normal);
}

.service-card:hover .service-icon-wrapper {
    background-color: var(--clr-gold);
    color: var(--clr-bg);
    box-shadow: 0 4px 15px var(--clr-gold-muted);
    transform: translateY(-2px);
}

.service-title {
    font-family: var(--ff-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--clr-text-primary);
    margin-bottom: 16px;
}

.service-desc {
    font-size: 0.9rem;
    color: var(--clr-text-secondary);
    line-height: 1.6;
}

/* ----------------------------------------------------
   9. Projects Section
   ---------------------------------------------------- */
.projects-header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 24px;
}

/* Filters Menu */
.filter-menu {
    display: flex;
    gap: 8px;
    list-style: none;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 18px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--clr-border);
    border-radius: 4px;
    color: var(--clr-text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
}

.filter-btn:hover {
    border-color: var(--clr-text-primary);
    color: var(--clr-text-primary);
}

.filter-btn.active {
    background-color: var(--clr-gold);
    border-color: var(--clr-gold);
    color: var(--clr-bg);
    box-shadow: 0 4px 15px var(--clr-gold-muted);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-card {
    background-color: var(--clr-surface-card);
    border: 1px solid var(--clr-border);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.project-card:hover {
    border-color: var(--clr-border-glow);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

/* Project Card Image Placeholder */
.project-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background-color: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-muted);
    transition: var(--transition-normal);
    overflow: hidden;
}

.project-card:hover .project-image-wrapper {
    color: var(--clr-gold);
}

.project-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 40%, rgba(0,0,0,0.4) 100%);
}

.project-image-icon {
    width: 40px;
    height: 40px;
    opacity: 0.4;
    transition: opacity var(--transition-fast);
}

.project-card:hover .project-image-icon {
    opacity: 0.8;
}

.project-tag-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 8px;
    background-color: var(--clr-bg);
    border: 1px solid var(--clr-gold-muted);
    color: var(--clr-gold);
    border-radius: 2px;
}

/* Project Card Details */
.project-details {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-title {
    font-family: var(--ff-serif);
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--clr-text-primary);
    margin-bottom: 10px;
}

.project-desc {
    font-size: 0.875rem;
    color: var(--clr-text-secondary);
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-tech-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    list-style: none;
}

.project-tech-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 8px;
    background-color: var(--clr-surface);
    border: 1px solid var(--clr-border);
    color: var(--clr-text-secondary);
    border-radius: 4px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--clr-gold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: auto;
}

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

.project-link svg {
    transition: transform var(--transition-fast);
}

.project-link:hover svg {
    transform: translate(2px, -2px);
}

/* ----------------------------------------------------
   10. Contact Section
   ---------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
}

.contact-left {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.contact-subtext {
    font-size: 1.1rem;
    color: var(--clr-text-secondary);
    line-height: 1.6;
}

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

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 4px;
    background-color: var(--clr-surface);
    border: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-gold);
    transition: var(--transition-normal);
}

.contact-info-item:hover .contact-icon-box {
    border-color: var(--clr-gold-muted);
    color: var(--clr-text-primary);
    box-shadow: 0 4px 12px rgba(229, 169, 59, 0.05);
}

.contact-info-text {
    display: flex;
    flex-direction: column;
}

.contact-info-label {
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-info-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--clr-text-primary);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--clr-text-primary);
}

.form-input, .form-textarea {
    background-color: var(--clr-surface);
    border: 1px solid var(--clr-border);
    color: var(--clr-text-primary);
    padding: 14px 18px;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.form-textarea {
    resize: none;
    min-height: 160px;
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--clr-gold);
    box-shadow: 0 0 10px rgba(229, 169, 59, 0.1);
}

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

/* Form success message */
.form-status-msg {
    padding: 12px 18px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    display: none;
}
.form-status-msg.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #10b981;
}

/* ----------------------------------------------------
   11. Footer
   ---------------------------------------------------- */
footer {
    border-top: 1px solid var(--clr-border);
    padding: 40px 0;
    background-color: #070708;
}

footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
}

.footer-nav {
    display: flex;
    list-style: none;
    gap: 24px;
}

.footer-link {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
}

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

/* ----------------------------------------------------
   12. Responsive Design (Media Queries)
   ---------------------------------------------------- */

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .section-padding {
        padding: 70px 0;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--clr-bg);
        border-top: 1px solid var(--clr-border);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: var(--transition-normal);
        z-index: 999;
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .mobile-nav-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-nav-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .header-btn {
        display: none; /* Hide Hire Me button on mobile header to save space */
    }
    
    /* Hero */
    .hero-title {
        margin-bottom: 20px;
    }
    
    .metrics-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* Info Cards */
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    /* Form */
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .projects-header-wrapper {
        flex-direction: column;
        align-items: flex-start;
    }
    
    footer .container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-nav {
        justify-content: center;
        flex-wrap: wrap;
    }
}