/* ===================================================
   KUMMA SPORT – Landing Page Stylesheet
   =================================================== */

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

:root {
    --black:   #0a0a0a;
    --white:   #ffffff;
    --gray-50: #f9fafb;
    --gray-100:#f3f4f6;
    --gray-200:#e5e7eb;
    --gray-400:#9ca3af;
    --gray-600:#4b5563;
    --gray-800:#1f2937;
    --accent:  #e8c84a;   /* gold accent */
    --accent2: #ff5722;   /* energetic orange */
    --line-green: #00b900;
    --fb-blue:    #1877f2;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 40px;

    --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,.18);

    --transition: .3s cubic-bezier(.4,0,.2,1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Prompt', sans-serif;
    background: var(--white);
    color: var(--gray-800);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-family: 'Prompt', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
    box-shadow: 0 4px 20px rgba(0,0,0,.25);
}
.btn-primary:hover {
    background: var(--accent);
    color: var(--black);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(232,200,74,.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,.6);
    backdrop-filter: blur(4px);
}
.btn-outline:hover {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
    transform: translateY(-3px);
}

.btn-white {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
    box-shadow: var(--shadow-md);
}
.btn-white:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(232,200,74,.35);
}

/* ── Section Header ── */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}
.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
    line-height: 1.3;
}
.section-header p {
    font-size: 1.05rem;
    color: var(--gray-600);
    max-width: 560px;
    margin: 0 auto;
}
.section-header.light h2 { color: var(--white); }
.section-header.light p  { color: rgba(255,255,255,.75); }

.section-tag {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}
.section-header.light .section-tag {
    background: rgba(255,255,255,.15);
    color: rgba(255,255,255,.85);
}

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
    background: rgba(10,10,10,.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,.3);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
}
.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--white);
    padding: 4px;
}
.nav-logo span {
    font-weight: 700;
    font-size: .95rem;
    letter-spacing: .08em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}
.nav-links a {
    color: rgba(255,255,255,.8);
    font-size: .9rem;
    font-weight: 400;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,.08); }

.nav-cta {
    background: var(--white) !important;
    color: var(--black) !important;
    font-weight: 600 !important;
    padding: 8px 20px !important;
    border-radius: 100px !important;
}
.nav-cta:hover {
    background: var(--accent) !important;
    color: var(--black) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    background: rgba(10,10,10,.96);
    backdrop-filter: blur(12px);
    padding: 16px 24px 24px;
    gap: 4px;
}
.mobile-menu a {
    color: rgba(255,255,255,.85);
    font-size: 1rem;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
    transition: var(--transition);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--accent); }

/* ================================================================
   HERO
   ================================================================ */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    gap: 80px;
    overflow: hidden;
}

/* Full-width black bg */
.hero::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--black);
    z-index: -2;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .18;
    animation: float 8s ease-in-out infinite;
}
.shape-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, #e8c84a, transparent 70%);
    top: -200px; right: -100px;
    animation: float 10s ease-in-out infinite;
}
.shape-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #ff5722, transparent 70%);
    bottom: -100px; left: -100px;
    animation: float 12s ease-in-out infinite reverse;
}
.shape-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, #4a90e8, transparent 70%);
    top: 50%; left: 40%;
    transform: translate(-50%, -50%);
    animation: float 9s ease-in-out infinite;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridShift 20s linear infinite;
}

.hero-content {
    flex: 0 1 550px;
    animation: fadeUp .9s ease both;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232,200,74,.12);
    border: 1px solid rgba(232,200,74,.3);
    color: var(--accent);
    font-size: .85rem;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 100px;
    margin-bottom: 28px;
    letter-spacing: .04em;
    animation: slideInLeft .8s ease both;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 24px;
    animation: slideInLeft .8s ease .1s both;
}
.hero-title .highlight {
    background: linear-gradient(135deg, var(--accent), #f5a623);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

.hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,.65);
    margin-bottom: 40px;
    line-height: 1.8;
    animation: slideInLeft .8s ease .2s both;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 56px;
    animation: slideInLeft .8s ease .3s both;
}

.hero-actions .btn {
    animation: buttonPulse 2s ease-in-out infinite;
}

.hero-actions .btn:nth-child(2) {
    animation-delay: .2s;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    animation: slideInLeft .8s ease .4s both;
}
.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    animation: countUp 2s ease-out;
}
.stat-label {
    display: block;
    font-size: .8rem;
    color: rgba(255,255,255,.5);
    margin-top: 4px;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,.15);
    animation: expandHeight .8s ease .4s both;
}

/* Hero Visual */
.hero-visual {
    flex: 0 0 auto;
    animation: slideInRight .9s .2s ease both;
    z-index: 10;
}

.logo-ring {
    position: relative;
    width: 340px;
    height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.08);
    animation: spin linear infinite;
}
.ring-1 { width: 100%; height: 100%; animation-duration: 20s; }
.ring-2 { width: 80%;  height: 80%;  animation-duration: 15s; animation-direction: reverse; border-color: rgba(232,200,74,.15); }
.ring-3 { width: 60%;  height: 60%;  animation-duration: 10s; border-color: rgba(255,87,34,.1); }

.hero-logo {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--white);
    padding: 20px;
    box-shadow: 0 0 60px rgba(232,200,74,.2), 0 20px 60px rgba(0,0,0,.5);
    position: relative;
    z-index: 1;
    animation: glowPulse 3s ease-in-out infinite;
}

/* Scroll Down */
.scroll-down {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,.4);
    font-size: 1.2rem;
    animation: bounceDown 2s ease infinite;
    transition: color var(--transition);
}
.scroll-down:hover { color: var(--accent); }

/* ================================================================
   FEATURES
   ================================================================ */
.features {
    padding: 100px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}
.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity .6s ease, transform .6s ease, box-shadow var(--transition), border-color var(--transition);
}
.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent), #f5a623);
    opacity: 0;
    transition: opacity var(--transition);
    border-radius: inherit;
}
.feature-card:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 40px rgba(232,200,74,.2);
    transform: translateY(-6px) !important;
}
.feature-card:hover::before { opacity: .04; }

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--black);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}
.feature-card:hover .feature-icon {
    background: var(--accent);
    color: var(--black);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}
.feature-card p {
    font-size: .95rem;
    color: var(--gray-600);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ================================================================
   PROCESS
   ================================================================ */
.process {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.process-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
    z-index: 0;
}

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

.process-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.step {
    flex: 1;
    min-width: 200px;
    max-width: 240px;
    text-align: center;
    padding: 0 16px;
}

.step-num {
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 20px;
    font-style: italic;
}

.step-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
}
.step-content p {
    font-size: .88rem;
    color: rgba(255,255,255,.55);
    line-height: 1.7;
}

.step-arrow {
    display: flex;
    align-items: center;
    padding-top: 24px;
    color: rgba(255,255,255,.2);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* ================================================================
   CTA BANNER
   ================================================================ */
.cta-banner {
    background: linear-gradient(135deg, var(--accent) 0%, #f5a623 100%);
    padding: 80px 0;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.cta-text h2 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
}
.cta-text p {
    font-size: 1rem;
    color: rgba(0,0,0,.65);
}

/* ================================================================
   CONTACT
   ================================================================ */
.contact {
    padding: 100px 0;
    background: var(--gray-50);
}

.contact-cards {
    display: flex;
    gap: 28px;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    min-width: 300px;
    max-width: 400px;
    flex: 1;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.line-card:hover  { border-color: var(--line-green); }
.fb-card:hover    { border-color: var(--fb-blue); }

.contact-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
    transition: var(--transition);
}
.line-card .contact-icon  { background: rgba(0,185,0,.1); color: var(--line-green); }
.fb-card  .contact-icon   { background: rgba(24,119,242,.1); color: var(--fb-blue); }
.line-card:hover .contact-icon { background: var(--line-green); color: var(--white); }
.fb-card:hover   .contact-icon { background: var(--fb-blue);    color: var(--white); }

.contact-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 4px;
}
.contact-info p {
    font-size: .95rem;
    color: var(--gray-600);
    margin-bottom: 12px;
}
.contact-action {
    font-size: .88rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition);
}
.line-card .contact-action  { color: var(--line-green); }
.fb-card  .contact-action   { color: var(--fb-blue); }
.contact-card:hover .contact-action { gap: 10px; }

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
    background: var(--black);
    padding: 40px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}
.footer-brand img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--white);
    padding: 6px;
    object-fit: cover;
}
.footer-brand strong {
    display: block;
    color: var(--white);
    font-size: .95rem;
    font-weight: 700;
    letter-spacing: .06em;
}
.footer-brand p {
    color: rgba(255,255,255,.4);
    font-size: .8rem;
    margin: 0;
}

.footer-copy {
    font-size: .82rem;
    color: rgba(255,255,255,.35);
}

/* ================================================================
   ANIMATIONS
   ================================================================ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-60px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(60px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50%      { transform: translateX(-50%) translateY(12px); }
    100%     { opacity: 1; }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(10px); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%      { transform: translateY(30px); }
}

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 60px rgba(232,200,74,.2), 0 20px 60px rgba(0,0,0,.5);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 80px rgba(232,200,74,.4), 0 30px 80px rgba(232,200,74,.2);
        transform: scale(1.02);
    }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes gridShift {
    0% { background-position: 0 0; }
    100% { background-position: 60px 60px; }
}

@keyframes buttonPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(0,0,0,.25); }
    50% { box-shadow: 0 4px 30px rgba(232,200,74,.3); }
}

@keyframes expandHeight {
    from { height: 0; opacity: 0; }
    to { height: 40px; opacity: 1; }
}

@keyframes countUp {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 80px 24px;
        height: auto;
        min-height: 100vh;
    }
    .hero-content { flex: 0 1 100%; }
    .hero-actions { justify-content: center; }
    .hero-stats   { justify-content: center; }
    .hero-visual  { order: -1; }
    .logo-ring    { width: 240px; height: 240px; }
    .hero-logo    { width: 160px; height: 160px; }

    .process-steps { gap: 32px; }
    .step-arrow    { display: none; }
    .step          { min-width: 160px; }

    .cta-inner { text-align: center; justify-content: center; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }

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

    .contact-card { min-width: 100%; }

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

    .hide-mobile { display: none; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.9rem; }
    .btn { padding: 12px 24px; font-size: .9rem; }
    .hero-actions { flex-direction: column; align-items: center; }
}