/* ============================================
   ATANASOFF48 HACKATHON — PREMIUM DESIGN SYSTEM
   Navy: #19124d | Cyan: #29abe2 | Pink: #c2185b | White: #ffffff
   ============================================ */

:root {
    --navy: #19124d;
    --navy-deep: #0c0824;
    --navy-mid: #15103f;
    --navy-light: #251c6b;
    --cyan: #29abe2;
    --cyan-light: #5ec5f0;
    --cyan-glow: rgba(41, 171, 226, 0.35);
    --pink: #c2185b;
    --pink-light: #e91e73;
    --pink-glow: rgba(194, 24, 91, 0.35);
    --white: #ffffff;
    --white-90: rgba(255, 255, 255, 0.9);
    --white-70: rgba(255, 255, 255, 0.7);
    --white-50: rgba(255, 255, 255, 0.5);
    --white-20: rgba(255, 255, 255, 0.2);
    --white-10: rgba(255, 255, 255, 0.1);
    --white-05: rgba(255, 255, 255, 0.05);

    --font-body: 'Outfit', system-ui, sans-serif;
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition: 0.35s var(--ease-out);
}

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

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

body {
    font-family: var(--font-body);
    background: var(--navy-deep);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.65;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--navy-deep);
}

::-webkit-scrollbar-thumb {
    background: var(--navy-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--cyan);
}

/* ---- Background Canvas ---- */
#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

/* ---- Gradient Orbs ---- */
.gradient-orbs {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--cyan);
    top: -200px;
    right: -100px;
    animation: orb-drift-1 20s ease-in-out infinite;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--pink);
    bottom: -150px;
    left: -100px;
    animation: orb-drift-2 25s ease-in-out infinite;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--cyan), var(--pink));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orb-drift-3 18s ease-in-out infinite;
}

@keyframes orb-drift-1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(-100px, 80px) scale(1.1);
    }

    66% {
        transform: translate(60px, -40px) scale(0.9);
    }
}

@keyframes orb-drift-2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(80px, -60px) scale(1.15);
    }

    66% {
        transform: translate(-50px, 40px) scale(0.85);
    }
}

@keyframes orb-drift-3 {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.08;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.18;
    }
}



/* ---- Utilities ---- */
.text-gradient {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--pink-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.accent-48 {
    color: var(--cyan);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 18px 0;
    transition: all 0.4s var(--ease-out);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(12, 8, 36, 0.8);
    backdrop-filter: blur(24px) saturate(1.8);
    -webkit-backdrop-filter: blur(24px) saturate(1.8);
    border-bottom: 1px solid var(--white-05);
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 101;
}

.nav-logo-img {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    transition: var(--transition);
}

.nav-logo:hover .nav-logo-img {
    transform: rotate(-12deg) scale(1.15);
    filter: drop-shadow(0 0 12px var(--cyan-glow));
}

.nav-logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--white-70);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--cyan);
    border-radius: 1px;
    transition: all 0.3s var(--ease-out);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--white);
}

.nav-link:hover::before {
    width: 24px;
}

.nav-cta {
    margin-left: 8px;
    position: relative;
}

.nav-cta span {
    display: block;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--cyan), var(--cyan) 50%, #1d9ad0);
    color: var(--white);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.nav-cta::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--cyan), #1d9ad0);
    opacity: 0;
    filter: blur(12px);
    transition: opacity 0.3s;
    z-index: 0;
}

.nav-cta:hover::after {
    opacity: 0.5;
}

.nav-cta:hover span {
    transform: translateY(-1px);
}

/* Mobile toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    padding: 6px;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--white-05) 1px, transparent 1px),
        linear-gradient(90deg, var(--white-05) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    animation: grid-pulse 8s ease-in-out infinite;
}

@keyframes grid-pulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.6;
    }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

/* ---- Hero Logo ---- */
.hero-logo-container {
    position: relative;
    width: 180px;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo {
    width: 120px;
    height: 120px;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 40px var(--cyan-glow));
    animation: logo-float 5s ease-in-out infinite;
    transition: transform 0.3s var(--ease-spring);
}

@keyframes logo-float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-8px) rotate(2deg);
    }

    75% {
        transform: translateY(4px) rotate(-1deg);
    }
}

.logo-ring-outer {
    position: absolute;
    inset: 0;
    border: 1.5px solid var(--white-10);
    border-radius: 50%;
    animation: ring-spin 20s linear infinite;
}

.logo-ring-outer::before {
    content: '';
    position: absolute;
    top: -3px;
    left: 50%;
    width: 6px;
    height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--cyan-glow);
}

.logo-ring-inner {
    position: absolute;
    inset: 16px;
    border: 1px solid var(--white-05);
    border-radius: 50%;
    animation: ring-spin 15s linear infinite reverse;
}

.logo-ring-inner::before {
    content: '';
    position: absolute;
    bottom: -3px;
    right: 20%;
    width: 4px;
    height: 4px;
    background: var(--pink);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--pink-glow);
}

@keyframes ring-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.logo-particles {
    position: absolute;
    inset: -20px;
    pointer-events: none;
}

/* ---- Hero Title ---- */
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 900;
    letter-spacing: -3px;
    line-height: 0.9;
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.title-main {
    background: linear-gradient(180deg, var(--white) 0%, var(--white-70) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-main::after {
    content: '__';
}

.title-48 {
    font-size: clamp(4rem, 12vw, 8rem);
    background: linear-gradient(135deg, var(--cyan) 0%, var(--pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: text-glow 3s ease-in-out infinite alternate;
}

@keyframes text-glow {
    0% {
        filter: drop-shadow(0 0 8px var(--cyan-glow));
    }

    100% {
        filter: drop-shadow(0 0 20px var(--pink-glow));
    }
}

/* Glitch effect */
.glitch-text {
    position: relative;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--cyan) 0%, var(--pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glitch-text::before {
    animation: glitch-1 3s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
}

.glitch-text::after {
    animation: glitch-2 3s infinite;
    clip-path: polygon(0 66%, 100% 66%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {

    0%,
    92%,
    100% {
        transform: translate(0);
    }

    93% {
        transform: translate(-4px, 2px);
    }

    95% {
        transform: translate(3px, -1px);
    }

    97% {
        transform: translate(-2px, 1px);
    }
}

@keyframes glitch-2 {

    0%,
    90%,
    100% {
        transform: translate(0);
    }

    91% {
        transform: translate(3px, -2px);
    }

    94% {
        transform: translate(-3px, 1px);
    }

    96% {
        transform: translate(2px, -1px);
    }
}

/* ---- Tagline ---- */
.hero-tagline {
    display: flex;
    align-items: center;
    gap: 20px;
}

.tagline-line {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan));
    animation: line-extend 2s ease-out 1s both;
}

.tagline-line:last-child {
    background: linear-gradient(90deg, var(--cyan), transparent);
}

@keyframes line-extend {
    from {
        width: 0;
        opacity: 0;
    }

    to {
        width: 60px;
        opacity: 1;
    }
}

.tagline-text {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 8px;
    color: var(--cyan);
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--white-50);
    font-weight: 400;
    max-width: 440px;
}

/* ---- Info Strip ---- */
.hero-info-strip {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.info-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--white-05);
    border: 1px solid var(--white-10);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--white-70);
    transition: var(--transition);
}

.info-chip:hover {
    background: var(--white-10);
    border-color: var(--white-20);
    color: var(--white);
    transform: translateY(-2px);
}

.info-chip svg {
    opacity: 0.6;
    flex-shrink: 0;
}

.info-chip.highlight {
    background: rgba(194, 24, 91, 0.1);
    border-color: rgba(194, 24, 91, 0.2);
    color: var(--pink-light);
}

.info-chip.highlight:hover {
    background: rgba(194, 24, 91, 0.18);
    border-color: rgba(194, 24, 91, 0.35);
}

/* ---- Countdown ---- */
.countdown {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 8px 0;
}

.countdown-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--white-05);
    border: 1px solid var(--white-10);
    border-radius: var(--radius-md);
    padding: 14px 14px 10px;
    min-width: 78px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.countdown-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--pink));
    opacity: 0.5;
}

.countdown-block:hover {
    border-color: var(--cyan);
    background: rgba(41, 171, 226, 0.06);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(41, 171, 226, 0.1);
}

.countdown-digits {
    display: flex;
    gap: 2px;
}

.digit {
    font-family: var(--font-mono);
    font-size: 1.7rem;
    font-weight: 700;
    line-height: 1;
    display: inline-block;
    transition: transform 0.3s var(--ease-spring), opacity 0.3s;
}

.digit.flip {
    transform: translateY(-100%);
    opacity: 0;
}

.countdown-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--white-50);
    margin-top: 6px;
}

.countdown-sep {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    color: var(--cyan);
    font-weight: 700;
    animation: blink-sep 1.5s ease-in-out infinite;
}

@keyframes blink-sep {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.2;
    }
}

/* Digit glitch effect */
.digit-glitch {
    animation: digit-glitch 0.35s steps(1) both;
}

@keyframes digit-glitch {
    0% {
        transform: translate(0);
        text-shadow: none;
    }

    5% {
        transform: translate(-3px, 0);
        text-shadow: 3px 0 var(--cyan), -3px 0 var(--pink);
    }

    10% {
        transform: translate(3px, 0);
        text-shadow: -3px 0 var(--cyan), 3px 0 var(--pink);
    }

    15% {
        transform: translate(0, 0);
        text-shadow: none;
    }

    20% {
        transform: translate(-2px, 1px);
        text-shadow: 2px 0 var(--pink), -2px 0 var(--cyan);
    }

    25% {
        transform: translate(0);
        text-shadow: none;
    }

    40% {
        transform: translate(0);
        text-shadow: none;
    }

    42% {
        transform: translate(4px, 0);
        text-shadow: -4px 0 var(--cyan), 4px 0 var(--pink);
    }

    44% {
        transform: translate(-2px, 0);
        text-shadow: 2px 0 var(--pink);
    }

    46% {
        transform: translate(0);
        text-shadow: none;
    }

    70% {
        transform: translate(0);
        text-shadow: none;
    }

    72% {
        transform: translate(2px, -1px);
        text-shadow: -2px 0 var(--cyan), 2px 0 var(--pink);
    }

    74% {
        transform: translate(-1px, 0);
        text-shadow: 1px 0 var(--pink);
    }

    76% {
        transform: translate(0);
        text-shadow: none;
    }

    100% {
        transform: translate(0);
        text-shadow: none;
    }
}

/* ---- Hero Buttons ---- */
.hero-buttons {
    display: flex;
    gap: 14px;
    margin-top: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-hero {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--cyan) 0%, #1d9ad0 100%);
    color: var(--white);
    overflow: hidden;
    transition: all 0.35s var(--ease-out);
    box-shadow: 0 4px 20px rgba(41, 171, 226, 0.35);
    border: none;
}

.btn-hero:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 36px rgba(41, 171, 226, 0.5);
}

.btn-icon {
    display: inline-block;
    transition: transform 0.3s var(--ease-spring);
}

.btn-hero:hover .btn-icon {
    transform: translateX(4px);
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: none;
    animation: shine-sweep 4s ease-in-out infinite;
}

@keyframes shine-sweep {

    0%,
    100% {
        left: -100%;
    }

    50% {
        left: 150%;
    }
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    color: var(--white-70);
    border: 1px solid var(--white-10);
    background: transparent;
    transition: var(--transition);
}

.btn-ghost:hover {
    color: var(--white);
    border-color: var(--white-20);
    background: var(--white-05);
    transform: translateY(-3px);
}

/* Disabled button */
.btn-disabled {
    background: linear-gradient(135deg, rgba(41, 171, 226, 0.2) 0%, rgba(29, 154, 208, 0.2) 100%) !important;
    box-shadow: none !important;
    cursor: default;
    opacity: 0.7;
}

.btn-disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

.btn-icon-svg {
    flex-shrink: 0;
    opacity: 0.7;
}

/* Disabled nav CTA */
.nav-cta-disabled span {
    display: block;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    background: var(--white-05);
    border: 1px solid var(--white-10);
    color: var(--white-50);
    cursor: default;
    pointer-events: none;
}

/* ---- Scroll Cue ---- */
.scroll-cue {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: fade-in-late 1s 2s both;
}

.scroll-line {
    width: 1px;
    height: 48px;
    position: relative;
    overflow: hidden;
    background: var(--white-10);
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--cyan);
    animation: scroll-line-move 2s ease-in-out infinite;
}

@keyframes scroll-line-move {
    0% {
        top: -50%;
    }

    100% {
        top: 150%;
    }
}

.scroll-cue span {
    font-size: 0.6rem;
    letter-spacing: 4px;
    color: var(--white-50);
    font-weight: 500;
}

@keyframes fade-in-late {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }

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

/* ============================================
   SECTIONS — COMMON
   ============================================ */
.section {
    position: relative;
    z-index: 1;
    padding: 110px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
    position: relative;
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 3px;
    color: var(--cyan);
    display: block;
    margin-bottom: 12px;
    opacity: 0.6;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 14px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--white-50);
    max-width: 560px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.section-about {
    background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy-mid) 100%);
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.about-card {
    background: var(--white-05);
    border: 1px solid var(--white-10);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: var(--cyan);
    opacity: 0;
    filter: blur(60px);
    transition: opacity 0.5s;
    pointer-events: none;
}

.about-card:hover .card-glow {
    opacity: 0.12;
}

.about-card:hover {
    transform: translateY(-6px);
    border-color: rgba(41, 171, 226, 0.25);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: rgba(41, 171, 226, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--cyan);
    transition: all 0.4s var(--ease-spring);
}

.about-card:hover .card-icon {
    transform: scale(1.15) rotate(-5deg);
    background: rgba(41, 171, 226, 0.15);
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--white-50);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.card-value {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.card-detail {
    font-size: 0.8rem;
    color: var(--white-50);
}

/* Accent card */
.about-card--accent {
    border-color: rgba(194, 24, 91, 0.15);
}

.about-card--accent .card-glow {
    background: var(--pink);
}

.about-card--accent .card-icon {
    background: rgba(194, 24, 91, 0.1);
    color: var(--pink);
}

.about-card--accent:hover {
    border-color: rgba(194, 24, 91, 0.3);
}

.about-card--accent:hover .card-icon {
    background: rgba(194, 24, 91, 0.18);
}

/* ============================================
   AWARDS SECTION
   ============================================ */
.section-awards {
    background: var(--navy-mid);
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.award-card {
    background: var(--white-05);
    border: 1px solid var(--white-10);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.award-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--pink));
    transform: scaleX(0);
    transition: transform 0.4s var(--ease-out);
}

.award-card:hover {
    transform: translateY(-6px);
    border-color: var(--white-20);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.award-card:hover::after {
    transform: scaleX(1);
}

.award-rank {
    font-size: 2.8rem;
    margin-bottom: 14px;
    display: block;
    transition: transform 0.4s var(--ease-spring);
}

.award-card:hover .award-rank {
    transform: scale(1.2) rotate(-5deg);
}

.award-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.award-card p {
    font-size: 0.88rem;
    color: var(--white-50);
    line-height: 1.5;
}

.award-medals {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 14px;
}

.medal {
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    border: 1px solid;
    white-space: nowrap;
}

.medal.gold {
    border-color: rgba(255, 215, 0, 0.3);
    color: #ffd700;
    background: rgba(255, 215, 0, 0.06);
}

.medal.silver {
    border-color: rgba(192, 192, 192, 0.3);
    color: #c0c0c0;
    background: rgba(192, 192, 192, 0.06);
}

.medal.bronze {
    border-color: rgba(205, 127, 50, 0.3);
    color: #cd7f32;
    background: rgba(205, 127, 50, 0.06);
}

/* ============================================
   SCHEDULE SECTION
   ============================================ */
.section-schedule {
    background: linear-gradient(180deg, var(--navy-mid) 0%, var(--navy) 100%);
}

/* Tabs */
.schedule-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 44px;
}

.sched-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 14px 32px;
    background: var(--white-05);
    border: 1px solid var(--white-10);
    border-radius: var(--radius-md);
    color: var(--white-50);
    font-family: var(--font-body);
    transition: all 0.35s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.sched-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--cyan);
    transform: scaleX(0);
    transition: transform 0.35s var(--ease-out);
}

.sched-tab:hover {
    background: var(--white-10);
    border-color: var(--white-20);
    color: var(--white);
}

.sched-tab.active {
    background: rgba(41, 171, 226, 0.1);
    border-color: var(--cyan);
    color: var(--white);
    box-shadow: 0 0 24px rgba(41, 171, 226, 0.12);
}

.sched-tab.active::after {
    transform: scaleX(1);
}

.sched-tab-label {
    font-weight: 700;
    font-size: 0.95rem;
}

.sched-tab-date {
    font-size: 0.72rem;
    opacity: 0.7;
}

/* Panels */
.sched-panel {
    display: none;
}

.sched-panel.active {
    display: block;
    animation: panel-in 0.5s var(--ease-out);
}

@keyframes panel-in {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

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

/* Timeline */
.timeline {
    max-width: 650px;
    margin: 0 auto;
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--cyan), var(--pink), transparent);
    border-radius: 1px;
}

.tl-item {
    display: flex;
    gap: 20px;
    margin-bottom: 14px;
    position: relative;
    opacity: 0;
    transform: translateX(-20px);
    animation: tl-enter 0.5s var(--ease-out) both;
}

.tl-item:nth-child(1) {
    animation-delay: 0s;
}

.tl-item:nth-child(2) {
    animation-delay: 0.06s;
}

.tl-item:nth-child(3) {
    animation-delay: 0.12s;
}

.tl-item:nth-child(4) {
    animation-delay: 0.18s;
}

.tl-item:nth-child(5) {
    animation-delay: 0.24s;
}

.tl-item:nth-child(6) {
    animation-delay: 0.3s;
}

.tl-item:nth-child(7) {
    animation-delay: 0.36s;
}

.tl-item:nth-child(8) {
    animation-delay: 0.42s;
}

.tl-item:nth-child(9) {
    animation-delay: 0.48s;
}

.tl-item:nth-child(10) {
    animation-delay: 0.54s;
}

@keyframes tl-enter {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.tl-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 16px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--cyan);
    background: var(--navy-mid);
    z-index: 1;
    transition: all 0.3s;
}

.tl-item[data-type="break"]::before {
    border-color: var(--pink);
}

.tl-item[data-type="highlight"]::before {
    border-color: #ffd700;
    background: #ffd700;
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.4);
}

.tl-item[data-type="warning"]::before {
    border-color: #ff9800;
}

.tl-item[data-type="talk"]::before {
    border-color: var(--cyan-light);
}

.tl-time {
    min-width: 100px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--cyan-light);
    padding-top: 12px;
    text-align: right;
    flex-shrink: 0;
}

.tl-card {
    flex: 1;
    background: var(--white-05);
    border: 1px solid var(--white-10);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    transition: all 0.3s var(--ease-out);
}

.tl-card:hover {
    background: var(--white-10);
    border-color: var(--white-20);
    transform: translateX(4px);
}

.tl-card h4 {
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 3px;
}

.tl-card p {
    font-size: 0.82rem;
    color: var(--white-50);
}

.tl-item[data-type="highlight"] .tl-card {
    background: linear-gradient(135deg, rgba(41, 171, 226, 0.08), rgba(194, 24, 91, 0.08));
    border-color: rgba(41, 171, 226, 0.2);
}

/* ============================================
   RULES / STEPS
   ============================================ */
.section-rules {
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.step-card {
    background: var(--white-05);
    border: 1px solid var(--white-10);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

.step-card:hover {
    transform: translateY(-6px);
    border-color: var(--white-20);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.step-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--pink));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.step-card:hover::after {
    transform: scaleX(1);
}

.step-num {
    margin-bottom: 18px;
}

.step-num span {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, rgba(41, 171, 226, 0.25), rgba(194, 24, 91, 0.25));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.step-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-card p {
    font-size: 0.88rem;
    color: var(--white-50);
    line-height: 1.55;
}

/* Extra info */
.extra-info-card {
    background: var(--white-05);
    border: 1px solid var(--white-10);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 680px;
    margin: 0 auto;
}

.extra-info-card h3 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 18px;
}

.extra-info-card ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.extra-info-card li {
    font-size: 0.9rem;
    color: var(--white-70);
    padding-left: 18px;
    position: relative;
    line-height: 1.5;
}

.extra-info-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
}

.extra-info-card li strong {
    color: var(--white);
}

/* ============================================
   CTA / REGISTER
   ============================================ */
.section-register {
    padding: 100px 0 120px;
}

.cta-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: linear-gradient(135deg, rgba(41, 171, 226, 0.06), rgba(194, 24, 91, 0.06));
    border: 1px solid var(--white-10);
    padding: 70px 40px;
}

.cta-bg-effect {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(41, 171, 226, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(194, 24, 91, 0.08) 0%, transparent 50%);
    animation: cta-shift 12s ease-in-out infinite alternate;
}

@keyframes cta-shift {
    0% {
        opacity: 0.6;
        transform: scale(1);
    }

    100% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-mascot {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    animation: logo-float 5s ease-in-out infinite;
    filter: drop-shadow(0 0 20px var(--cyan-glow));
}

.cta-card h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-card p {
    color: var(--white-50);
    font-size: 1.05rem;
    margin-bottom: 28px;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
}

.cta-note {
    display: block;
    margin-top: 14px;
    font-size: 0.78rem;
    color: var(--white-50);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--navy-deep);
    border-top: 1px solid var(--white-05);
    padding: 40px 0 20px;
    position: relative;
    z-index: 1;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding-bottom: 24px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--white-05);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.footer-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    display: block;
}

.footer-brand p {
    font-size: 0.78rem;
    color: var(--white-50);
}

.footer-nav {
    display: flex;
    gap: 20px;
}

.footer-nav a {
    font-size: 0.85rem;
    color: var(--white-50);
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: var(--cyan);
}

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

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--white-50);
    opacity: 0.7;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {

    .about-cards,
    .awards-grid,
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        cursor: auto;
    }

    a,
    button {
        cursor: auto;
    }

    .cursor-dot,
    .cursor-ring {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: rgba(12, 8, 36, 0.97);
        backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        gap: 6px;
        padding: 40px;
        transition: right 0.5s var(--ease-out);
        border-left: 1px solid var(--white-05);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-link,
    .nav-cta span {
        width: 100%;
        text-align: center;
        padding: 14px;
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-title {
        flex-direction: row;
        gap: 4px;
    }

    .title-main::after {
        display: none;
    }

    .countdown-block {
        min-width: 62px;
        padding: 10px 10px 8px;
    }

    .digit {
        font-size: 1.3rem;
    }

    .schedule-tabs {
        flex-direction: column;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
    }

    .timeline {
        padding-left: 20px;
    }

    .timeline::before {
        left: 4px;
    }

    .tl-time {
        min-width: 70px;
        font-size: 0.7rem;
    }

    .tl-item::before {
        left: -20px;
        width: 8px;
        height: 8px;
    }

    .cta-card {
        padding: 48px 24px;
    }

    .footer-top {
        flex-direction: column;
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
    }

    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
    }
}

@media (max-width: 480px) {

    .about-cards,
    .awards-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .hero-logo-container {
        width: 140px;
        height: 140px;
    }

    .hero-logo {
        width: 90px;
        height: 90px;
    }

    .hero-info-strip {
        flex-direction: column;
        align-items: center;
    }

    .countdown {
        gap: 4px;
    }

    .countdown-block {
        min-width: 54px;
        padding: 8px 6px 6px;
    }

    .digit {
        font-size: 1.1rem;
    }

    .section {
        padding: 70px 0;
    }

    .tagline-text {
        letter-spacing: 4px;
        font-size: 0.8rem;
    }
}

/* ---- Tilt card 3D ---- */
.tilt-card {
    transform-style: preserve-3d;
    perspective: 800px;
}