/* =============================================
   LX SIXTY — Corporate Site
   ============================================= */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --charcoal: #1C1F22;
    --steel: #4F5D68;
    --stone: #8A8580;
    --taupe: #A09B91;
    --cream: #F4F2EE;
    --light-grey: #E8E6E2;
    --white: #FFFFFF;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Source Serif 4', Georgia, serif;
    color: var(--charcoal);
    background: var(--white);
    line-height: 1.7;
    font-size: 17px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.2;
    font-weight: 500;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* --- Fade-in Animation --- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav--scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 0 var(--light-grey);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo-icon {
    height: 24px;
    width: auto;
    color: var(--charcoal);
}

.nav--scrolled .nav-logo-icon {
    color: var(--charcoal);
}

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

.nav-links a {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--steel);
    transition: color 0.2s ease;
    text-transform: uppercase;
}

.nav-links a:hover {
    color: var(--charcoal);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 28px;
    height: 20px;
    position: relative;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--charcoal);
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav-toggle span:nth-child(3) { bottom: 0; }

.nav-toggle--open span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.nav-toggle--open span:nth-child(2) { opacity: 0; }
.nav-toggle--open span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

/* Canvas background */
.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0;
    animation: canvasFadeIn 1.5s ease 0.2s forwards;
}

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

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

.hero-logo svg {
    width: 110px;
    height: auto;
    margin: 0 auto 32px;
}

/* Logo stroke draw animation */
.logo-l-fill,
.logo-diag-fill,
.logo-accent-fill {
    opacity: 0;
}

.logo-l-stroke,
.logo-accent-stroke {
    transition: stroke-dashoffset 1.2s cubic-bezier(0.65, 0, 0.35, 1);
}

.logo-l-stroke.draw,
.logo-accent-stroke.draw {
    stroke-dashoffset: 0 !important;
}

.logo-accent-stroke.draw {
    transition-duration: 1s;
}

/* Fills fade in after strokes draw */
.logo-diag-fill {
    animation: logoFillIn 0.4s ease 1.3s forwards;
}

.logo-l-fill {
    animation: logoFillIn 0.5s ease 1.4s forwards;
}

.logo-accent-fill {
    animation: logoFillIn 0.5s ease 1.6s forwards;
}

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

/* Strokes fade out once fills are in */
.logo-l-stroke {
    animation: strokeFadeOut 0.4s ease 1.6s forwards;
}

.logo-accent-stroke {
    animation: strokeFadeOut 0.4s ease 1.8s forwards;
}

@keyframes strokeFadeOut {
    to { opacity: 0; }
}

/* Staged hero reveals */
.hero-reveal {
    opacity: 0;
    transform: translateY(12px);
}

.hero-reveal--wordmark {
    animation: heroReveal 0.6s ease 1.8s forwards;
}

.hero-reveal--descriptor {
    animation: heroReveal 0.5s ease 2.0s forwards;
}

.hero-reveal--divider {
    transform: scaleX(0);
    animation: dividerReveal 0.5s ease 2.2s forwards;
}

.hero-reveal--tagline {
    animation: heroReveal 0.6s ease 2.4s forwards;
}

.hero-reveal--scroll {
    animation: heroReveal 0.5s ease 2.8s forwards;
}

@keyframes heroReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dividerReveal {
    to {
        opacity: 1;
        transform: scaleX(1);
    }
}

.hero-wordmark h1 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 12px;
    text-transform: uppercase;
    color: var(--charcoal);
    margin-bottom: 4px;
}

.hero-descriptor {
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 6px;
    color: var(--stone);
    text-transform: uppercase;
    display: inline-block;
}

.hero-divider {
    width: 40px;
    height: 1px;
    background: var(--light-grey);
    margin: 40px auto;
}

.hero-tagline {
    font-family: 'Source Serif 4', serif;
    font-size: 20px;
    font-style: italic;
    color: var(--steel);
    font-weight: 400;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    color: var(--stone);
}

/* Scroll indicator: needs translateX(-50%) for centering throughout */
.hero-reveal--scroll {
    transform: translateX(-50%) translateY(12px);
    animation: scrollReveal 0.5s ease 2.8s forwards, scrollBounce 2s ease 3.3s infinite;
}

@keyframes scrollReveal {
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* --- Sections --- */
.section {
    padding: 120px 0;
}

.section--dark {
    background: var(--charcoal);
    color: var(--cream);
}

.section--cream {
    background: var(--cream);
}

.section-label {
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--stone);
    margin-bottom: 24px;
}

.section-heading {
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 64px;
    font-weight: 500;
}

/* --- About --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    margin-bottom: 80px;
}

.about-main h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 500;
    line-height: 1.25;
}

.about-body p {
    color: var(--steel);
    margin-bottom: 20px;
    font-size: 17px;
}

.about-body p:last-child {
    margin-bottom: 0;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding-top: 64px;
    border-top: 1px solid var(--light-grey);
}

.stat-number {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 36px;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 4px;
}

.stat-label {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--stone);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Portfolio --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.portfolio-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 40px;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.portfolio-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.15);
}

.portfolio-card-number {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 500;
    color: var(--stone);
    margin-bottom: 24px;
}

.portfolio-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--white);
}

.portfolio-card-sector {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--stone);
    margin-bottom: 20px;
}

.portfolio-card p:not(.portfolio-card-sector) {
    color: var(--taupe);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 28px;
}

.portfolio-card-status {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 500;
    color: var(--taupe);
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-dot--active {
    background: #4CAF50;
}

.status-dot--pipeline {
    background: var(--stone);
}

/* --- Leadership --- */
.leader {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 80px;
    align-items: start;
}

.leader-image-placeholder {
    width: 280px;
    height: 340px;
    background: var(--cream);
    display: flex;
    align-items: center;
    justify-content: center;
}

.leader-image-placeholder span {
    font-family: 'Inter', sans-serif;
    font-size: 48px;
    font-weight: 300;
    color: var(--stone);
    letter-spacing: 4px;
}

.leader-info h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 4px;
}

.leader-title {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: var(--stone);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 28px;
}

.leader-bio {
    color: var(--steel);
    font-size: 17px;
    margin-bottom: 16px;
}

/* --- Contact --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-intro {
    color: var(--steel);
    font-size: 18px;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item-label {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--stone);
    margin-bottom: 4px;
}

.contact-item a {
    color: var(--charcoal);
    font-size: 17px;
    border-bottom: 1px solid var(--light-grey);
    transition: border-color 0.2s ease;
}

.contact-item a:hover {
    border-color: var(--charcoal);
}

.contact-item span {
    font-size: 17px;
    color: var(--charcoal);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group label {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--steel);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: 'Source Serif 4', serif;
    font-size: 16px;
    color: var(--charcoal);
    background: var(--white);
    border: 1px solid var(--light-grey);
    outline: none;
    transition: border-color 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
    border-radius: 0;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--stone);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238A8580' stroke-width='1.2'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 16px 40px;
    background: var(--charcoal);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: background 0.2s ease;
    align-self: flex-start;
}

.btn:hover {
    background: var(--steel);
}

/* --- Footer --- */
.footer {
    background: var(--charcoal);
    color: var(--taupe);
    padding: 60px 0;
}

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

.footer-logo {
    height: 20px;
    width: auto;
    color: var(--taupe);
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--taupe);
    text-transform: uppercase;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--cream);
}

.footer-legal p {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    color: var(--stone);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .leader {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .leader-image-placeholder {
        width: 100%;
        max-width: 280px;
        height: 200px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

@media (max-width: 640px) {
    body { font-size: 16px; }

    .section { padding: 80px 0; }

    .container { padding: 0 20px; }

    .nav-inner { padding: 0 20px; }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        z-index: 99;
    }

    .nav-links--open {
        display: flex;
    }

    .nav-links a {
        font-size: 18px;
        letter-spacing: 3px;
    }

    .nav-toggle {
        display: block;
    }

    .hero-logo svg {
        width: 100px;
    }

    .hero-wordmark h1 {
        font-size: 15px;
        letter-spacing: 8px;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .portfolio-card {
        padding: 28px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
}