:root {
    --brand-primary: #4c6fff;
    --brand-primary-dark: #1f2a44;
    --brand-secondary: #0f172a;
    --brand-accent: #fbbf24;
    --brand-accent-dark: #f97316;
    --surface: #ffffff;
    --surface-muted: #f5f7fb;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-inverse: #f8fafc;
    --border-subtle: rgba(148, 163, 184, 0.2);
    --shadow-soft: 0 20px 50px rgba(15, 23, 42, 0.12);
    --shadow-card: 0 16px 40px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', 'Inter', sans-serif;
    background: var(--surface-muted);
    color: var(--text-primary);
    margin: 0;
    padding-top: 80px;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    margin: 0 0 0.75rem;
}

p {
    margin: 0 0 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

img {
    display: block;
    width: 100%;
}

.section {
    padding: 96px 0;
}

.section-heading {
    max-width: 700px;
    margin-bottom: 48px;
}

.section-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--brand-primary);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(2rem, 3vw, 3rem);
    color: var(--text-primary);
}

.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(15, 23, 42, 0.86);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-inverse);
    text-decoration: none;
}

.nav-links {
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: rgba(248, 250, 252, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.35rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: var(--brand-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link.active-nav-link {
    color: var(--text-inverse);
}

.nav-link:hover::after,
.nav-link.active-nav-link::after {
    transform: scaleX(1);
}

.nav-link-outline {
    padding: 0.35rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(248, 250, 252, 0.3);
}

.nav-link-outline::after {
    display: none;
}

.menu-toggle {
    color: var(--text-inverse);
}

.mobile-menu {
    background: rgba(15, 23, 42, 0.92);
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
    padding-bottom: 1rem;
    box-shadow: var(--shadow-soft);
}

.mobile-menu-item {
    display: block;
    padding: 14px 24px;
    color: var(--text-inverse);
    text-decoration: none;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.mobile-menu-item:last-child {
    border-bottom: none;
}

.hero-section {
    background: radial-gradient(circle at top, rgba(76, 111, 255, 0.25), transparent 55%),
        linear-gradient(135deg, #0f172a 0%, #111827 60%, #1e293b 100%);
    color: var(--text-inverse);
    padding: 140px 0 100px;
    position: relative;
}

/* Coming soon hero (main landing page) */
#hero {
    position: relative;
    min-height: 100vh;
    padding: 140px 0 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-inverse);
    background: radial-gradient(circle at 20% 20%, rgba(76, 111, 255, 0.2), transparent 45%),
        radial-gradient(circle at 80% 10%, rgba(251, 191, 36, 0.15), transparent 40%),
        linear-gradient(135deg, #0f172a 0%, #0b1324 60%, #111827 100%);
    overflow: hidden;
}

#hero .container {
    position: relative;
    z-index: 1;
}

.hero-bg-svg {
    position: absolute;
    inset: 0;
    width: 120%;
    height: 100%;
    transform: translate(-10%, -5%);
    opacity: 0.45;
    z-index: 0;
}

.hero-bg-svg .blob-1 {
    fill: rgba(76, 111, 255, 0.55);
}

.hero-bg-svg .blob-2 {
    fill: rgba(56, 189, 248, 0.35);
}

.hero-bg-svg .blob-3 {
    fill: rgba(251, 191, 36, 0.4);
}

.hero-surface {
    margin: 0 auto;
    padding: 3.5rem 3rem;
    border-radius: 28px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(18px);
}

.logo-glow {
    filter: drop-shadow(0 20px 45px rgba(76, 111, 255, 0.35));
}

.headline {
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    line-height: 1.05;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.headline-gradient {
    background: linear-gradient(120deg, #ffffff 0%, #c7d2fe 40%, var(--brand-accent, #fbbf24) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.15rem;
    color: rgba(248, 250, 252, 0.82);
}

.spinner-container {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

.spinner {
    width: 56px;
    height: 56px;
    animation: rotate 2s linear infinite;
}

.spinner .path {
    stroke: var(--brand-accent, #fbbf24);
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

@media (max-width: 768px) {
    #hero {
        padding: 120px 0 96px;
    }

    .hero-surface {
        padding: 2.5rem 2rem;
    }

    .subtitle {
        font-size: 1.05rem;
    }
}

.hero-grid {
    display: grid;
    gap: 48px;
    align-items: center;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(248, 250, 252, 0.7);
    margin-bottom: 1rem;
}

.hero-title {
    font-size: clamp(2.75rem, 5vw, 4.5rem);
    color: var(--text-inverse);
}

.hero-subtitle {
    color: rgba(248, 250, 252, 0.78);
    font-size: 1.125rem;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 2rem 0;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.9rem 2.2rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn-primary {
    background: var(--brand-accent);
    color: #1f2937;
    box-shadow: 0 12px 30px rgba(251, 191, 36, 0.35);
}

.btn-primary:hover {
    background: var(--brand-accent-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid rgba(248, 250, 252, 0.3);
    color: var(--text-inverse);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.25);
}

.hero-metrics {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric-card {
    padding: 1rem 1.25rem;
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.55);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.metric-value {
    font-weight: 600;
    color: var(--text-inverse);
}

.metric-label {
    font-size: 0.9rem;
    color: rgba(248, 250, 252, 0.7);
}

.hero-media {
    display: flex;
    justify-content: center;
}

.profile-card {
    background: rgba(248, 250, 252, 0.08);
    padding: 12px;
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
}

.profile-card img {
    border-radius: 18px;
    height: auto;
}

.about-section {
    background: var(--surface);
}

.about-grid {
    display: grid;
    gap: 48px;
    align-items: center;
}

.about-image img {
    border-radius: 24px;
    box-shadow: var(--shadow-card);
}

.about-content h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tags span {
    padding: 0.5rem 1rem;
    border-radius: 999px;
    background: rgba(76, 111, 255, 0.1);
    color: var(--brand-primary-dark);
    font-size: 0.85rem;
    font-weight: 600;
}

.timeline-heading {
    margin-top: 64px;
}

.timeline {
    display: grid;
    gap: 24px;
    border-left: 2px solid rgba(76, 111, 255, 0.2);
    padding-left: 32px;
}

.timeline-item {
    position: relative;
    background: var(--surface);
    border-radius: 18px;
    padding: 1.5rem 1.75rem;
    box-shadow: var(--shadow-card);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -41px;
    top: 28px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--brand-primary);
    box-shadow: 0 0 0 6px rgba(76, 111, 255, 0.2);
}

.timeline-marker {
    font-weight: 600;
    color: var(--brand-primary);
    margin-bottom: 0.25rem;
}

.timeline-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.35rem;
}

.timeline-date {
    font-size: 0.9rem;
    color: rgba(71, 85, 105, 0.8);
    margin-bottom: 0.75rem;
}

.expertise-section {
    background: var(--surface-muted);
}

.expertise-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.expertise-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-subtle);
}

.expertise-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(76, 111, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    margin-bottom: 1.5rem;
}

.expertise-card h3 {
    font-size: 1.35rem;
}

.work-section {
    background: var(--surface);
}

.work-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.work-card {
    background: var(--surface);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

.work-image img {
    height: 200px;
    object-fit: cover;
}

.work-content {
    padding: 1.75rem;
}

.work-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.work-tag {
    display: inline-flex;
    margin-top: 1rem;
    padding: 0.4rem 0.9rem;
    background: rgba(15, 23, 42, 0.06);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--brand-primary-dark);
}

.testimonials-section {
    background: var(--surface-muted);
}

.testimonial-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.testimonial-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.testimonial-card img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-card p {
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.testimonial-author strong {
    color: var(--text-primary);
}

.contact-section {
    background: linear-gradient(130deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-inverse);
}

.contact-card {
    background: rgba(15, 23, 42, 0.7);
    border-radius: 28px;
    padding: 3rem;
    display: grid;
    gap: 32px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.contact-card .section-title,
.contact-card .section-eyebrow {
    color: var(--text-inverse);
}

.contact-text {
    color: rgba(248, 250, 252, 0.75);
    max-width: 420px;
}

.contact-details {
    display: grid;
    gap: 20px;
}

.contact-link {
    display: flex;
    gap: 16px;
    color: var(--text-inverse);
    text-decoration: none;
    align-items: flex-start;
}

.contact-link p {
    margin: 0;
    color: rgba(248, 250, 252, 0.8);
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(248, 250, 252, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-socials {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(248, 250, 252, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
}

.login-section {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: var(--text-inverse);
}

.login-card {
    background: rgba(15, 23, 42, 0.72);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    width: min(520px, 90vw);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.login-card h1 {
    color: var(--text-inverse);
}

.login-card p {
    color: rgba(248, 250, 252, 0.75);
}

.login-card input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border-radius: 999px;
    border: 1px solid rgba(248, 250, 252, 0.3);
    background: rgba(248, 250, 252, 0.08);
    color: var(--text-inverse);
    margin-bottom: 1rem;
}

.login-card button {
    width: 100%;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.animate {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 1s ease-out;
}

.fade-in.animate {
    opacity: 1;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-left.animate {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-right.animate {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scale-in.animate {
    opacity: 1;
    transform: scale(1);
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .contact-card {
        grid-template-columns: 1.1fr 0.9fr;
        align-items: center;
    }
}

@media (max-width: 767px) {
    body {
        padding-top: 72px;
    }

    .site-nav {
        height: 72px;
    }

    .hero-section {
        padding-top: 120px;
    }

    .section {
        padding: 72px 0;
    }

    .timeline {
        padding-left: 20px;
    }

    .timeline-item::before {
        left: -31px;
    }

    .contact-card {
        padding: 2.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}