:root {
    --bg: #0d1720;
    --bg-card: #141f2b;
    --bg-card-hover: #1a2836;
    --navy: #2b5c8a;
    --blue: #92b4d4;
    --yellow: #ffe600;
    --text: #c8d6e0;
    --text-bright: #e8f0f5;
    --text-muted: #6b8299;
    --border: #1e3044;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Particles canvas */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* ============ ANIMATIONS ============ */

/* Fade in on load */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in-delay-1 { animation-delay: 0.3s; }
.fade-in-delay-2 { animation-delay: 0.6s; }

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

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============ HERO ============ */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(43, 92, 138, 0.2) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 80%, rgba(255, 230, 0, 0.06) 0%, transparent 50%),
        var(--bg);
}

/* ============ ANIMATED LOGO ============ */
.animated-logo {
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    filter: drop-shadow(0 0 30px rgba(43, 92, 138, 0.3));
}

.logo-signet {
    display: flex;
    position: relative;
    width: min(300px, 60vw);
    animation: flight 14s linear forwards;
}

.logo-signet .block-left {
    width: 50%;
    height: auto;
    transform-origin: right;
    margin-right: -1px;
}

.logo-signet .block-center {
    width: 16.67%;
    height: auto;
    margin-right: -1px;
}

.logo-signet .block-right {
    width: 33.33%;
    height: auto;
    transform-origin: left;
}

.logo-text-img {
    width: min(360px, 70vw);
    height: auto;
    margin-top: 16px;
}

/* Shine sweep */
.shine {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(
        120deg,
        transparent 0%, transparent 35%,
        rgba(255,255,255,0.25) 45%,
        rgba(255,255,255,0.4) 50%,
        rgba(255,255,255,0.25) 55%,
        transparent 65%, transparent 100%
    );
    background-size: 300% 100%;
    background-position: 100% 0;
    pointer-events: none;
    opacity: 0;
    clip-path: polygon(
        0% 0%, 50% 0%, 50% 25%, 66.67% 25%, 66.67% 0%, 100% 0%,
        100% 50%, 83.33% 50%, 83.33% 75%, 66.67% 75%, 66.67% 100%,
        50% 100%, 50% 75%, 33.33% 75%, 33.33% 50%, 16.67% 50%,
        16.67% 25%, 0% 25%
    );
}

@keyframes shimmer {
    0%   { background-position: 100% 0; opacity: 1; }
    100% { background-position: -100% 0; opacity: 1; }
}

@keyframes flight {
    0%      { transform: skewX(0deg)   translate(0, 0);              opacity: 1; }
    21.4%   { transform: skewX(0deg)   translate(0, 0);              opacity: 1; }
    35.7%   { transform: skewX(12deg)  translate(0, 0);              opacity: 1;
              animation-timing-function: ease-in; }
    42%     { transform: skewX(12deg)  translate(-30vw, 14vh);       opacity: 1; }
    46%     { transform: skewX(12deg)  translate(-55vw, 46vh);       opacity: 1; }
    50%     { transform: skewX(12deg)  translate(-85vw, 56vh);       opacity: 1; }
    54%     { transform: skewX(12deg)  translate(-120vw, 84vh);      opacity: 1; }
    57.1%   { transform: skewX(12deg)  translate(-150vw, 100vh);     opacity: 1; }
    57.2%   { transform: skewX(12deg)  translate(-150vw, 100vh);     opacity: 0; }
    57.3%   { transform: skewX(12deg)  translate(150vw, -100vh);     opacity: 0; }
    57.4%   { transform: skewX(12deg)  translate(150vw, -100vh);     opacity: 1; }
    64%     { transform: skewX(12deg)  translate(105vw, -72vh);      opacity: 1; }
    70%     { transform: skewX(11deg)  translate(65vw, -48vh);       opacity: 1; }
    76%     { transform: skewX(9deg)   translate(35vw, -32vh);       opacity: 1; }
    82%     { transform: skewX(7deg)   translate(16vw, -15vh);       opacity: 1; }
    88%     { transform: skewX(4deg)   translate(6vw, -7vh);         opacity: 1; }
    92%     { transform: skewX(3deg)   translate(2vw, -1.5vh);       opacity: 1;
              animation-timing-function: ease-out; }
    100%    { transform: skewX(0deg)   translate(0, 0);              opacity: 1; }
}

@keyframes wing-left {
    0%   { transform: skewY(15deg); }
    50%  { transform: skewY(-15deg); }
    100% { transform: skewY(15deg); }
}

@keyframes wing-right {
    0%   { transform: skewY(-15deg); }
    50%  { transform: skewY(15deg); }
    100% { transform: skewY(-15deg); }
}

.tagline {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    color: var(--text);
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 48px;
}

/* Scroll CTA */
.scroll-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--yellow);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 12px 28px;
    border: 1px solid rgba(255, 230, 0, 0.3);
    border-radius: 100px;
    transition: all 0.3s ease;
}

.scroll-cta:hover {
    background: rgba(255, 230, 0, 0.08);
    border-color: var(--yellow);
    transform: translateY(2px);
}

.scroll-cta svg {
    animation: bounceDown 1.5s ease infinite;
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

/* ============ SECTIONS ============ */
.section {
    position: relative;
    z-index: 1;
    padding: 96px 24px;
}

.section:nth-child(even) {
    background: var(--bg-card);
}

h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    color: var(--text-bright);
    margin-bottom: 16px;
    font-weight: 600;
}

h2::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: var(--yellow);
    margin-top: 12px;
    border-radius: 2px;
}

.section-lead {
    font-size: 1.1rem;
    color: var(--text);
    max-width: 640px;
    margin-bottom: 48px;
    line-height: 1.7;
}

.section-lead strong {
    color: var(--yellow);
    font-weight: 600;
}

/* ============ CARDS ============ */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px 28px;
    transition: border-color 0.3s, background 0.3s, transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    border-color: var(--navy);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(43, 92, 138, 0.2);
}

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    color: var(--blue);
    transition: transform 0.3s;
}

.card:hover .card-icon {
    transform: scale(1.1);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card h3 {
    font-size: 1.15rem;
    color: var(--text-bright);
    margin-bottom: 10px;
    font-weight: 600;
}

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

/* ============ CONTACT ============ */
.contact-grid {
    max-width: 480px;
}

.contact-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

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

.contact-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.contact-item a {
    color: var(--blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* ============ FOOTER ============ */
.footer {
    position: relative;
    z-index: 1;
    padding: 32px 24px;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 600px) {
    .hero {
        min-height: 80vh;
        padding: 60px 20px;
    }

    .section {
        padding: 64px 20px;
    }

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

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}