/* =========================================================
   AMAN KKUMAR — PORTFOLIO
   Main Stylesheet
   Premium Electronics + Embedded Systems Engineer Design
   ========================================================= */


/* =========================================================
   1. DESIGN SYSTEM & ROOT VARIABLES
   ========================================================= */

:root {
    /* Primary Colors */
    --bg-primary: #05070B;
    --bg-secondary: #080B12;
    --bg-tertiary: #0B111A;
    
    /* Text Colors */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    /* Accent System */
    --accent-cyan: #22D3EE;
    --accent-blue: #3B82F6;
    --accent-violet: #8B5CF6;
    
    /* Borders & Dividers */
    --border-light: rgba(148, 163, 184, 0.10);
    --border-medium: rgba(148, 163, 184, 0.20);
    
    /* Glows & Shadows */
    --glow-cyan: rgba(34, 211, 238, 0.15);
    --glow-blue: rgba(59, 130, 246, 0.15);
    --glow-violet: rgba(139, 92, 246, 0.10);
    
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.20);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.25);
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: 40px;
    
    /* Radii */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}


/* =========================================================
   2. GLOBAL RESET & BASE STYLES
   ========================================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    letter-spacing: -0.3px;
}

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

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

button {
    font: inherit;
    border: none;
    cursor: pointer;
}

ul, ol {
    list-style: none;
}

/* Smooth page fade-in */
body {
    animation: pageLoad 0.6s ease both;
}

@keyframes pageLoad {
    from { opacity: 0; }
    to { opacity: 1; }
}


/* =========================================================
   3. CONTAINER & LAYOUT UTILITIES
   ========================================================= */

.section-container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: 120px 0;
    position: relative;
}

.section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--accent-cyan),
        transparent
    );
    opacity: 0.3;
}


/* =========================================================
   4. HEADER & NAVIGATION
   ========================================================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    
    background: rgba(5, 7, 11, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    
    transition: var(--transition-base);
}

.site-header.scrolled {
    border-bottom-color: var(--border-medium);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.brand {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 4px;
}

.brand span {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: color var(--transition-base);
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
    transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
    border-radius: 1px;
}


/* =========================================================
   5. HERO SECTION
   ========================================================= */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(0deg, transparent 24%, rgba(34, 211, 238, 0.03) 25%, rgba(34, 211, 238, 0.03) 26%, transparent 27%, transparent 74%, rgba(34, 211, 238, 0.03) 75%, rgba(34, 211, 238, 0.03) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, rgba(34, 211, 238, 0.03) 25%, rgba(34, 211, 238, 0.03) 26%, transparent 27%, transparent 74%, rgba(34, 211, 238, 0.03) 75%, rgba(34, 211, 238, 0.03) 76%, transparent 77%, transparent);
    background-size: 60px 60px;
    background-position: 0 0, 30px 30px;
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -150px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--glow-blue), transparent 70%);
    filter: blur(40px);
    pointer-events: none;
    z-index: 0;
    transform: translateY(-50%);
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-cyan);
    opacity: 0;
    animation: slideInUp 0.6s ease 0.2s both;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.06em;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    animation: slideInUp 0.6s ease 0.3s both;
}

.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--accent-cyan);
    margin-left: 4px;
    vertical-align: -0.1em;
    animation: typingCursorBlink 0.8s ease-in-out infinite;
}

@keyframes typingCursorBlink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0.2; }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 500;
    opacity: 0;
    animation: slideInUp 0.6s ease 0.4s both;
}

.hero-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 500px;
    opacity: 0;
    animation: slideInUp 0.6s ease 0.5s both;
}

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

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-top: 24px;
    opacity: 0;
    animation: slideInUp 0.6s ease 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(34, 211, 238, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid var(--border-medium);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--accent-cyan);
    background: rgba(34, 211, 238, 0.05);
    box-shadow: 0 12px 32px rgba(34, 211, 238, 0.15);
}

.hero-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 12px;
    opacity: 0;
    animation: slideInUp 0.6s ease 0.7s both;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-tagline {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 20px;
    opacity: 0;
    animation: slideInUp 0.6s ease 0.8s both;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 500px;
    opacity: 0;
    animation: slideInUp 0.6s ease 0.4s both;
}

.profile-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-frame {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border-medium);
    box-shadow: 
        0 0 0 8px var(--bg-primary),
        0 0 40px rgba(34, 211, 238, 0.2);
}

.profile-frame::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    opacity: 0.1;
    border-radius: 50%;
    z-index: 2;
    pointer-events: none;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    display: block;
}

.frame-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.outer-ring {
    width: 420px;
    height: 420px;
    border-color: rgba(34, 211, 238, 0.2);
    animation: rotateClockwise 30s linear infinite;
}

.inner-ring {
    width: 280px;
    height: 280px;
    border-color: rgba(59, 130, 246, 0.15);
    animation: rotateCounterClockwise 40s linear infinite;
}

@keyframes rotateClockwise {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes rotateCounterClockwise {
    from { transform: translate(-50%, -50%) rotate(360deg); }
    to { transform: translate(-50%, -50%) rotate(0deg); }
}

.frame-node {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-blue);
    top: 50%;
    left: 50%;
    box-shadow: 0 0 12px var(--accent-blue);
    animation: nodePulse 2s ease-in-out infinite;
}

.node-1 { transform: translate(-50%, calc(-50% - 180px)); animation-delay: 0s; }
.node-2 { transform: translate(calc(-50% + 160px), -50%); animation-delay: 0.5s; }
.node-3 { transform: translate(-50%, calc(-50% + 180px)); animation-delay: 1s; }
.node-4 { transform: translate(calc(-50% - 160px), -50%); animation-delay: 1.5s; }

@keyframes nodePulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    50% { transform: translate(-50%, -50%) scale(1.4); opacity: 1; }
}

.tech-labels {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    pointer-events: none;
}

.tech-label {
    position: absolute;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-cyan);
    opacity: 0.4;
    animation: fadeInScale 0.8s ease 0.5s both;
}

.tech-label:nth-child(1) { top: -20px; left: 50%; transform: translateX(-50%); }
.tech-label:nth-child(2) { right: -30px; top: 50%; transform: translateY(-50%); animation-delay: 0.6s; }
.tech-label:nth-child(3) { bottom: -20px; left: 50%; transform: translateX(-50%); animation-delay: 0.7s; }
.tech-label:nth-child(4) { left: -30px; top: 50%; transform: translateY(-50%); animation-delay: 0.8s; }

@keyframes fadeInScale {
    from { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
    to { opacity: 0.4; transform: translate(-50%, -50%) scale(1); }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* =========================================================
   6. SECTION HEADINGS
   ========================================================= */

.section-header {
    margin-bottom: 60px;
    max-width: 700px;
}

.section-label {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.label-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.15;
    line-height: 1;
}

.label-text {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-cyan);
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.section-header > p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}


/* =========================================================
   7. ABOUT SECTION
   ========================================================= */

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: start;
}

.about-left {
    position: sticky;
    top: 120px;
}

.about-image {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-medium);
    object-fit: cover;
    object-position: center;
    box-shadow: 0 12px 40px rgba(34, 211, 238, 0.15);
}

.about-right {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.about-block {
    padding: 24px;
    border-left: 3px solid var(--accent-cyan);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.05), rgba(59, 130, 246, 0.05));
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.about-block:hover {
    border-left-color: var(--accent-blue);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(59, 130, 246, 0.08));
    transform: translateX(8px);
}

.about-block h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.about-block p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
}


/* =========================================================
   8. SKILLS SECTION
   ========================================================= */

.skills-map {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.skill-category {
    padding: 28px;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.03), rgba(59, 130, 246, 0.03));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.skill-category:hover {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(59, 130, 246, 0.08));
    box-shadow: 0 8px 24px rgba(34, 211, 238, 0.1);
}

.category-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.skill-item:hover {
    color: var(--text-primary);
    transform: translateX(4px);
}

.skill-icon {
    font-size: 1.2rem;
}


/* =========================================================
   9. CURRENTLY BUILDING SECTION
   ========================================================= */

.roadmap {
    position: relative;
    padding-left: 40px;
}

.roadmap::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-cyan), transparent);
}

.roadmap-item {
    position: relative;
    padding: 32px;
    margin-bottom: 32px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03), rgba(139, 92, 246, 0.03));
    transition: all var(--transition-base);
}

.roadmap-item::before {
    content: "";
    position: absolute;
    left: -46px;
    top: 40px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-cyan);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 16px var(--accent-cyan);
}

.roadmap-item:hover {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(59, 130, 246, 0.08));
    transform: translateX(12px);
    box-shadow: 0 12px 32px rgba(34, 211, 238, 0.15);
}

.roadmap-item:last-child::after {
    display: none;
}

.roadmap-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
}

.roadmap-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.roadmap-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.roadmap-status {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    background: rgba(34, 211, 238, 0.05);
}


/* =========================================================
   10. PROJECTS SECTION
   ========================================================= */

.project-lab {
    padding: 60px;
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.02), rgba(59, 130, 246, 0.02));
    text-align: center;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all var(--transition-base);
}

.project-lab:hover {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.05), rgba(59, 130, 246, 0.05));
}

.lab-status {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    justify-content: center;
}

.status-badge {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    border: 1px solid var(--border-medium);
    padding: 4px 10px;
    border-radius: 12px;
}

.status-value {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.lab-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    opacity: 0.3;
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.project-lab h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.project-lab p {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.lab-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.lab-tags span {
    padding: 8px 16px;
    border: 1px solid var(--border-medium);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.05);
    transition: all var(--transition-base);
}

.lab-tags span:hover {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.15);
    transform: scale(1.05);
}


/* =========================================================
   11. APPROACH SECTION
   ========================================================= */

.approach-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.approach-card {
    padding: 32px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.03), rgba(34, 211, 238, 0.03));
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.approach-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(34, 211, 238, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.approach-card:hover {
    border-color: var(--accent-violet);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(34, 211, 238, 0.08));
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(139, 92, 246, 0.15);
}

.approach-card:hover::before {
    opacity: 1;
}

.approach-num {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
    opacity: 0.3;
}

.approach-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.approach-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.approach-tagline {
    text-align: center;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(10deg); }
}


/* =========================================================
   12. CONTACT SECTION
   ========================================================= */

.contact-section {
    padding-bottom: 150px;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.03), rgba(59, 130, 246, 0.03));
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(34, 211, 238, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.contact-card:hover {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(59, 130, 246, 0.08));
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(34, 211, 238, 0.15);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent-cyan);
    background: rgba(34, 211, 238, 0.1);
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.contact-card:hover .contact-icon {
    background: rgba(34, 211, 238, 0.2);
    transform: scale(1.1);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
    z-index: 1;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

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


/* =========================================================
   13. FOOTER
   ========================================================= */

.site-footer {
    border-top: 1px solid var(--border-light);
    background: var(--bg-secondary);
    padding: 60px 0;
}

.footer-container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.footer-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-content h3 span {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-content > div:first-child p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-content > div:last-child {
    text-align: right;
}

.footer-content > div:last-child p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}


/* =========================================================
   14. SCROLL REVEAL ANIMATIONS
   ========================================================= */

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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