/* Platinum Professional Theme - Luxury & Sophistication */
:root {
    /* Primary Platinum Palette */
    --primary-color: #52525b;
    --primary-dark: #3f3f46;
    --primary-light: #71717a;
    --platinum: #e4e4e7;
    
    /* Secondary Luxury Colors */
    --secondary-color: #18181b;
    --accent-color: #8b5cf6;
    --accent-light: #a78bfa;
    --gold-accent: #fbbf24;
    
    /* Text Colors - Platinum Hierarchy */
    --text-primary: #18181b;
    --text-secondary: #3f3f46;
    --text-light: #71717a;
    --text-muted: #a1a1aa;
    
    /* Background Colors - Platinum Suite */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-light: #f4f4f5;
    --bg-platinum: #e4e4e7;
    --bg-luxury: #faf5ff;
    
    /* Platinum Details */
    --border-color: #e4e4e7;
    --border-light: #f4f4f5;
    --card-bg: #ffffff;
    --shadow-platinum: 0 8px 25px -5px rgb(0 0 0 / 0.1), 0 4px 6px -2px rgb(0 0 0 / 0.05);
}

/* Platinum Typography */
body {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    letter-spacing: -0.01em;
}

/* Platinum Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.05);
}

.nav__brand h2 {
    color: var(--primary-color);
    font-weight: 100;
    font-size: 1.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav__link {
    color: var(--text-light);
    font-weight: 400;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.nav__link:hover::after, .nav__link.active::after {
    width: 100%;
}

.nav__link:hover, .nav__link.active {
    color: var(--accent-color);
}

/* Platinum Hero */
.hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-luxury) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.03) 0%, transparent 70%);
    transform: rotate(15deg);
}

.hero__title {
    color: var(--primary-color);
    font-weight: 100;
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* Platinum Buttons */
.btn--primary {
    background: var(--accent-color);
    color: white;
    border: 1px solid var(--accent-color);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
    padding: 0.875rem 2rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn--primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-platinum);
}

.btn--secondary {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

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

/* Platinum Service Cards */
.service__card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(139, 92, 246, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service__card:hover::before {
    opacity: 1;
}

.service__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-platinum);
    border-color: var(--accent-color);
}

.service__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    color: white;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border: 1px solid var(--border-color);
}

.service__card h3 {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

/* Platinum Stats */
.stat {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-platinum);
}

.stat h3 {
    color: var(--accent-color);
    font-weight: 200;
    font-size: 3rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stat p {
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
}

/* Platinum Tech Grid */
.tech__item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    letter-spacing: 0.025em;
}

.tech__item:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.25);
}

/* Platinum Testimonials */
.testimonial__card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05);
    transition: all 0.3s ease;
}

.testimonial__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-platinum);
}

.testimonial__rating {
    color: var(--gold-accent);
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.25rem;
}

.testimonial__text {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 2rem;
}

.testimonial__author h4 {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.testimonial__author p {
    color: var(--text-muted);
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

/* Platinum Form */
.contact__form {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-platinum);
}

.form__group input, .form__group textarea, .form__group select {
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    font-weight: 400;
    transition: all 0.3s ease;
}

.form__group input:focus, .form__group textarea:focus, .form__group select:focus {
    border-color: var(--accent-color);
    background: white;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

/* Platinum Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-top: 1px solid var(--border-color);
}

.footer h3, .footer h4 {
    color: white;
    font-weight: 500;
}

.footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--accent-light);
}

/* Section Backgrounds */
.about, .experience {
    background: var(--bg-secondary);
}

.services, .testimonials, .contact {
    background: var(--bg-primary);
}

/* Platinum Typography Refinements */
.section__title {
    color: var(--primary-color);
    font-weight: 300;
    font-size: clamp(2rem, 4vw, 2.75rem);
    letter-spacing: -0.025em;
}

.section__subtitle {
    color: var(--text-light);
    font-weight: 400;
    font-size: 1.125rem;
    letter-spacing: 0.01em;
}