@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    --color-primary: #f0f0f0;
    --color-secondary: #4a9eff;
    --color-secondary-hover: #3a8eef;
    --color-accent: #6bb89c;
    --color-accent-hover: #5aa88c;
    --color-text: #f0f0f0;
    --color-text-light: #a0a0a0;
    --color-bg: #151515;
    --color-bg-alt: #1f1f1f;
    --color-border: #2e2e2e;
    --radius-sm: 4px;
    --radius: 10px;
    --radius-lg: 25px;
    --radius-xl: 35px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.35);
    --max-width: 1280px;
    --header-height: 92px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--color-text);
    line-height: 1.5;
    background-color: var(--color-bg);
    font-weight: 300;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: 92%;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-bg);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: #2e2e2e;
    color: #fff;
    border-radius: var(--radius);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 26px;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: "";
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
}

.nav-list a {
    font-weight: 500;
    color: var(--color-text);
    padding: 0.6rem 1rem;
    border-radius: var(--radius);
    transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-list a:hover {
    color: var(--color-secondary);
    background-color: var(--color-bg-alt);
}

.nav-cta {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-secondary);
    color: #fff !important;
    border-radius: var(--radius);
    transition: background-color 0.2s ease;
}

.nav-cta:hover {
    background-color: var(--color-secondary-hover);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: 1.5rem 0;
        display: none;
    }

    .main-nav.is-open {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: 0.5rem;
        width: 92%;
        margin: 0 auto;
    }

    .nav-list a {
        display: block;
        width: 100%;
        padding: 0.875rem 1rem;
    }

    .nav-cta {
        text-align: center;
    }
}

/* Hero */
.hero {
    position: relative;
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: flex-end;
    padding: 5rem 0 6rem;
    color: #fff;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(46, 46, 46, 0.92) 0%, rgba(46, 46, 46, 0.75) 50%, rgba(46, 46, 46, 0.5) 100%);
    z-index: 1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: end;
    width: 100%;
}

.hero-content {
    text-align: left;
}

.eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 1.25rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.05;
    margin-bottom: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.03em;
    max-width: 800px;
}

.hero-lead {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: #fff;
    border-color: var(--color-secondary);
}

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

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 5rem 0;
        align-items: center;
    }

    .hero-layout {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }

    .hero h1,
    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section--light {
    background-color: var(--color-bg-alt);
}

.section-header {
    text-align: left;
    max-width: 800px;
    margin: 0 0 3.5rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.15rem;
    font-weight: 300;
}

/* Cards */
.cards {
    display: grid;
    gap: 1.5rem;
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-2 {
    grid-template-columns: 1fr;
}

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

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.card {
    background-color: var(--color-bg);
    border: none;
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.card h3 {
    color: var(--color-primary);
    margin-bottom: 0.875rem;
    font-size: 1.35rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.card p {
    color: var(--color-text-light);
    font-weight: 300;
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--color-bg-alt);
    color: var(--color-secondary);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.card--case {
    text-align: left;
}

.case-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-secondary);
    background-color: rgba(29, 99, 170, 0.08);
    padding: 0.35rem 0.9rem;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

.case-image {
    width: calc(100% + 4.5rem);
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    margin: -2.25rem -2.25rem 1.5rem -2.25rem;
    display: block;
}

.read-more {
    display: inline-block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-secondary);
    margin-top: 0.75rem;
    transition: color 0.2s ease;
}

.read-more:hover {
    color: var(--color-secondary-hover);
}

.section-header a {
    color: var(--color-secondary);
    text-decoration: underline;
    text-decoration-color: var(--color-secondary);
    font-weight: 500;
}

.section-header a:hover {
    color: var(--color-secondary-hover);
}

.card--case p {
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.card--case p:last-child {
    margin-bottom: 0;
}

/* About */
.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    font-weight: 300;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.875rem;
    color: var(--color-text);
    font-weight: 400;
}

.feature-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: 700;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.stat {
    background-color: var(--color-bg-alt);
    border-left: 4px solid var(--color-secondary);
    padding: 1.75rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    box-shadow: var(--shadow);
}

.stat-number {
    display: block;
    font-size: 2.75rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.35rem;
}

.stat-label {
    color: var(--color-text-light);
    font-size: 1rem;
    font-weight: 300;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.card--member {
    text-align: center;
}

.member-photo {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow);
}

.member-role {
    color: var(--color-secondary);
    font-weight: 500;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .about-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Contact */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-info h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.contact-info > p {
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
    font-weight: 300;
}

.contact-details {
    list-style: none;
}

.contact-details li {
    margin-bottom: 1.5rem;
}

.contact-details strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: 0.35rem;
    font-weight: 500;
}

.contact-details a {
    color: var(--color-text-light);
    text-decoration: underline;
    text-decoration-color: var(--color-border);
    transition: color 0.2s ease;
}

.contact-details a:hover {
    color: var(--color-secondary);
}

.contact-form {
    background-color: var(--color-bg-alt);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--color-bg-alt);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(29, 99, 170, 0.12);
    background-color: var(--color-bg);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #dc2626;
}

.error-message {
    display: none;
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.35rem;
}

.form-group input.error + .error-message,
.form-group textarea.error + .error-message {
    display: block;
}

.form-status {
    margin-top: 1rem;
    font-weight: 500;
}

.form-status.success {
    color: #15803d;
}

.form-status.error {
    color: #dc2626;
}

@media (max-width: 768px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Footer */
.site-footer {
    background-color: #1a1a1a;
    color: rgba(255, 255, 255, 0.75);
    padding: 4rem 0 2rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.02em;
}

.footer-brand p {
    font-size: 1rem;
    margin-top: 0.5rem;
    font-weight: 300;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    transition: color 0.2s ease;
    font-weight: 400;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: left;
    font-size: 0.9rem;
    font-weight: 300;
}

@media (max-width: 600px) {
    .footer-inner {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-bottom {
        text-align: center;
    }
}