/* ==========================================
   LUXURY BLACK & GOLD PORTFOLIO
   Author: Jibrail Saih
   ========================================== */

/* ==========================================
   CSS VARIABLES
   ========================================== */
:root {
    /* Colors - Black & Gold Palette */
    --black-primary: #0a0a0a;
    --black-secondary: #151515;
    --black-lighter: #1a1a1a;
    --gold-primary: #d4af37;
    --gold-light: #f4e5c2;
    --gold-dark: #b8941e;
    --gold-shine: #ffd700;
    --white: #ffffff;
    --gray-primary: #8a8a8a;
    --gray-light: #b8b8b8;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.3);
    --shadow-gold-strong: 0 0 40px rgba(212, 175, 55, 0.5);
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background-color: var(--black-primary);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

/* ==========================================
   CUSTOM CURSOR
   ========================================== */
.cursor,
.cursor-follower {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

.cursor {
    width: 10px;
    height: 10px;
    background: var(--gold-shine);
    transition: transform 0.1s ease;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid var(--gold-primary);
    transition: transform 0.3s ease;
}

@media (max-width: 768px) {
    .cursor,
    .cursor-follower {
        display: none;
    }
}

/* ==========================================
   SCROLL PROGRESS BAR
   ========================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-primary), var(--gold-shine));
    width: 0%;
    z-index: 9998;
    transition: width 0.1s ease;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.nav-logo:hover {
    color: var(--gold-shine);
    text-shadow: var(--shadow-gold);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    transition: color var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-primary);
    transition: width var(--transition-normal);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--gold-primary);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-primary), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.title-underline {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    margin: 0 auto;
}

.section-subtitle {
    color: var(--gray-light);
    font-size: 1.2rem;
    margin-top: 1rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-primary), var(--gold-shine));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xxl) 0;
    background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.05) 0%, var(--black-primary) 70%);
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-subtitle {
    font-size: 1rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold-primary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 6rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 2rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-light);
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2.5rem;
    border: 2px solid var(--gold-primary);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gold-primary);
    transition: left var(--transition-slow);
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

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

.btn-primary:hover {
    box-shadow: var(--shadow-gold-strong);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    color: var(--gold-primary);
}

.btn-secondary:hover {
    color: var(--black-primary);
    box-shadow: var(--shadow-gold);
    transform: translateY(-3px);
}

.hero-image {
    position: relative;
    z-index: 2;
}

.image-frame {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.image-frame img {
    width: 100%;
    height: auto;
    display: block;
    border: 4px solid var(--gold-primary);
    box-shadow: var(--shadow-gold-strong);
}

.image-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-primary));
    opacity: 0.2;
    filter: blur(30px);
    z-index: -1;
}

.hero-scroll {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--gold-primary);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(180deg, var(--gold-primary), transparent);
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0%, 100% { opacity: 0; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(20px); }
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services {
    padding: var(--spacing-xxl) 0;
    background: var(--black-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.service-card {
    background: var(--black-lighter);
    padding: 3rem 2rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: left 0.6s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-gold-strong);
}

.service-icon {
    font-size: 3rem;
    color: var(--gold-primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.service-card p {
    color: var(--gray-light);
    line-height: 1.8;
}

/* ==========================================
   SKILLS SECTION
   ========================================== */
.skills {
    padding: var(--spacing-xxl) 0;
    background: var(--black-primary);
}

.skills-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.skill-category {
    background: var(--black-lighter);
    padding: 2.5rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-gold);
}

.category-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--gold-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem 1rem;
    background: var(--black-secondary);
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.skill-item:hover {
    transform: scale(1.1);
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-gold);
}

.skill-item i {
    font-size: 2.5rem;
    color: var(--gold-primary);
}

.skill-item span {
    font-size: 0.9rem;
    color: var(--gray-light);
    font-weight: 500;
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.projects {
    padding: var(--spacing-xxl) 0;
    background: var(--black-secondary);
}

.project-category {
    margin-bottom: var(--spacing-xl);
}

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

.category-title {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--gold-primary);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.project-card {
    background: var(--black-lighter);
    border: 1px solid rgba(212, 175, 55, 0.2);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-gold-strong);
}

.project-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.project-links {
    display: flex;
    gap: 2rem;
}

.project-link {
    width: 60px;
    height: 60px;
    border: 2px solid var(--gold-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-primary);
    font-size: 1.5rem;
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gold-primary);
    transition: left var(--transition-normal);
    z-index: -1;
}

.project-link:hover::before {
    left: 0;
}

.project-link:hover {
    color: var(--black-primary);
    transform: scale(1.1);
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.project-info p {
    color: var(--gray-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.4rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--gold-primary);
    color: var(--gold-primary);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--black-primary);
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

/* Contact Form */
.contact-form-container {
    background: var(--black-lighter);
    padding: 3rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--black-secondary);
    border: 2px solid rgba(212, 175, 55, 0.3);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-gold);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-form .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Form Messages */
.form-message {
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    transition: opacity 0.3s ease;
}

.form-message-success {
    background: rgba(212, 175, 55, 0.1);
    border: 2px solid var(--gold-primary);
    color: var(--gold-light);
}

.form-message-error {
    background: rgba(255, 0, 0, 0.1);
    border: 2px solid #ff4444;
    color: #ff6666;
}

/* Social Links */
.social-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    border: 2px solid rgba(212, 175, 55, 0.3);
    text-decoration: none;
    color: var(--white);
    transition: all var(--transition-normal);
}

.social-link i {
    font-size: 3rem;
    color: var(--gold-primary);
    transition: all var(--transition-normal);
}

.social-link span {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.social-link:hover {
    transform: translateY(-10px);
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-gold-strong);
    background: rgba(212, 175, 55, 0.05);
}

.social-link:hover i {
    transform: scale(1.2);
    color: var(--gold-shine);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--gray-light);
    font-size: 1rem;
}

.info-item i {
    color: var(--gold-primary);
    font-size: 1.5rem;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    padding: 2rem 0;
    background: var(--black-secondary);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    text-align: center;
}

.footer p {
    color: var(--gray-primary);
    font-size: 0.9rem;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: fadeInLeft 1s forwards;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: fadeInRight 1s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes fadeInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in:nth-child(1) { animation-delay: 0.2s; }
.fade-in:nth-child(2) { animation-delay: 0.4s; }
.fade-in:nth-child(3) { animation-delay: 0.6s; }
.fade-in:nth-child(4) { animation-delay: 0.8s; }

/* Scroll animations - handled by JavaScript */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1200px) {
    .section-title {
        font-size: 3.5rem;
    }
    
    .hero-title {
        font-size: 5rem;
    }
}

@media (max-width: 968px) {
    body {
        cursor: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-description {
        margin: 0 auto 3rem;
    }
    
    .image-frame {
        margin-top: 3rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        width: 100%;
        text-align: center;
        transition: left var(--transition-normal);
        padding: 3rem 0;
        gap: 2rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .services-grid,
    .skills-categories,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        flex-direction: column;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}