/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Bebas+Neue&display=swap');
html {
    scroll-behavior: smooth;
}

/* ── Custom page scrollbar ── */
html::-webkit-scrollbar {
    width: 8px;
}

html::-webkit-scrollbar-track {
    background: #0A0C10;
    border-left: 1px solid #1E2330;
}

html::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #F0A500 0%, #C8860A 100%);
    border-radius: 8px;
    border: 2px solid #0A0C10;
    transition: background 0.25s;
}

html::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #FFD166 0%, #F0A500 100%);
    box-shadow: 0 0 8px rgba(240, 165, 0, 0.55);
}

/* Firefox */
html {
    scrollbar-width: thin;
    scrollbar-color: #F0A500 #0A0C10;
}

body {
    background-color: #0A0C10;
    font-family: 'Inter', sans-serif;
    color: #E8EAF0;
}

/* ---------- hero gradient ---------- */
.hero-bg {
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, rgba(240, 165, 0, 0.18) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 110%, rgba(26, 115, 232, 0.12) 0%, transparent 60%),
        #0A0C10;
}

/* ---------- shimmer text ---------- */
.shimmer-text {
    background: linear-gradient(90deg, #F0A500 0%, #FFD166 40%, #C8860A 60%, #F0A500 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

/* ---------- glass card ---------- */
.glass {
    background: rgba(17, 19, 24, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(240, 165, 0, 0.12);
}

/* ---------- phone mockup ---------- */
.phone-shadow {
    filter: drop-shadow(0 0 40px rgba(240, 165, 0, 0.25));
}

/* ---------- step number badge ---------- */
.step-badge {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #F0A500, #C8860A);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    color: #0A0C10;
    flex-shrink: 0;
}

/* ---------- scroll reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- nav blur ---------- */
nav {
    background: rgba(10, 12, 16, 0.85);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(240, 165, 0, 0.1);
}

/* ---------- screenshot scroll strip ---------- */
.screenshots-wrapper {
    position: relative;
}

.screenshots-track {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0;
}

.screenshots-track::-webkit-scrollbar {
    display: none;
}

.screenshots-track>img {
    scroll-snap-align: start;
    height: 520px;
    width: auto;
    border-radius: 35px;
    border: 1px solid rgba(240, 165, 0, 0.18);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
    flex-shrink: 0;
}

/* ---------- screenshot nav arrows ---------- */
.screenshots-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.ss-btn {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: rgba(240, 165, 0, 0.1);
    border: 1px solid rgba(240, 165, 0, 0.35);
    color: #F0A500;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s;
    flex-shrink: 0;
}

.ss-btn:hover {
    background: rgba(240, 165, 0, 0.2);
    box-shadow: 0 0 18px rgba(240, 165, 0, 0.4);
    transform: scale(1.1);
}

.ss-btn:active {
    transform: scale(0.95);
}

.ss-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ---------- install tab buttons ---------- */
.tab-btn {
    padding: 0.55rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.25s;
    border: 1px solid rgba(240, 165, 0, 0.2);
    color: #9CA3AF;
    background: transparent;
}

.tab-btn.active {
    background: linear-gradient(135deg, #F0A500, #C8860A);
    color: #0A0C10;
    border-color: transparent;
    box-shadow: 0 0 18px rgba(240, 165, 0, 0.35);
}

/* ---------- form focus glow ---------- */
.glow-input:focus {
    outline: none;
    border-color: #F0A500;
    box-shadow: 0 0 0 3px rgba(240, 165, 0, 0.18);
}

/* ---------- CTA button ---------- */
.cta-btn {
    background: linear-gradient(135deg, #F0A500 0%, #C8860A 100%);
    color: #0A0C10;
    font-weight: 800;
    border-radius: 9999px;
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
    animation: pulse2 2.4s ease-in-out infinite;
}

.cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 32px rgba(240, 165, 0, 0.55);
}

/* ---------- feature icon ring ---------- */
.icon-ring {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: rgba(240, 165, 0, 0.1);
    border: 1px solid rgba(240, 165, 0, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .screenshots-track>img {
        height: 380px;
    }
}