/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.02em;
    padding: 1rem 2rem;
    border-radius: var(--radius-xl);
    transition: transform var(--transition-fast), box-shadow var(--transition-base), background-color var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    will-change: transform;
    min-height: 56px;
    min-width: 140px;
}

.btn svg {
    flex-shrink: 0;
}

.btn-primary {
    background: var(--color-coral);
    color: var(--color-white);
    box-shadow: var(--shadow-cta);
}

.btn-primary:hover {
    background: var(--color-coral-dark);
    box-shadow: var(--shadow-cta-hover);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border: 2px solid transparent;
}

.btn-ghost:hover {
    background: rgba(249, 115, 22, 0.08);
    border-color: rgba(249, 115, 22, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--color-coral);
    border: 2px solid var(--color-coral);
}

.btn-outline:hover {
    background: var(--color-coral);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ===== Custom Cursor ===== */
.cursor-dot,
.cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    will-change: transform;
    transform: translate3d(-100px, -100px, 0);
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--color-coral);
    border-radius: 50%;
    transition: width var(--transition-fast), height var(--transition-fast), background-color var(--transition-fast);
    margin: -4px 0 0 -4px;
}

.cursor-ring {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-coral);
    border-radius: 50%;
    transition: width var(--transition-base), height var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
    margin: -20px 0 0 -20px;
    background: transparent;
}

.cursor-dot.hovering {
    width: 0;
    height: 0;
}

.cursor-ring.hovering {
    width: 60px;
    height: 60px;
    margin: -30px 0 0 -30px;
    background: rgba(249, 115, 22, 0.08);
}

@media (max-width: 1024px), (pointer: coarse) {
    .cursor-dot,
    .cursor-ring {
        display: none;
    }
}

/* ===== Cursor Spotlight ===== */
.cursor-spotlight {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate3d(-50%, -50%, 0);
    will-change: transform;
    mix-blend-mode: multiply;
}

@media (max-width: 1024px), (pointer: coarse) {
    .cursor-spotlight {
        display: none;
    }
}

/* ===== Preloader ===== */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 600ms ease, visibility 600ms ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-logo {
    width: 80px;
    height: 80px;
    animation: preloader-pulse 1.2s ease-in-out infinite;
}

@keyframes preloader-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-4) 0;
    transition: background-color var(--transition-base), backdrop-filter var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
    background: rgba(253, 244, 221, 0.85);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    box-shadow: 0 2px 20px rgba(15, 23, 42, 0.06);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--color-coral) 0%, var(--color-teal) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-links a:not(.nav-cta) {
    font-weight: 700;
    color: var(--color-text);
    position: relative;
    transition: color var(--transition-base);
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-coral);
    transition: width var(--transition-base);
}

.nav-links a:not(.nav-cta):hover {
    color: var(--color-coral);
}

.nav-links a:not(.nav-cta):hover::after,
.nav-links a:not(.nav-cta).active::after {
    width: 100%;
}

.nav-links a:not(.nav-cta).active {
    color: var(--color-coral);
}

.nav-cta {
    background: var(--color-coral);
    color: var(--color-white);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-xl);
    font-weight: 800;
    font-size: 0.9375rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-base);
    box-shadow: var(--shadow-cta);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-cta-hover);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 900px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: var(--space-12) var(--space-6);
        gap: var(--space-6);
        transition: right var(--transition-slow);
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.1);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        width: 100%;
        justify-content: center;
    }
}

/* ===== Phone Mockup ===== */
.phone-mockup {
    position: relative;
    display: inline-block;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
    transition: transform var(--transition-slow);
}

.phone-mockup.hero-phone {
    width: 280px;
    animation: phone-float 6s ease-in-out infinite;
}

.phone-mockup.small {
    width: 220px;
}

.phone-mockup.large {
    width: 320px;
}

@keyframes phone-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.phone-frame {
    position: relative;
    width: 100%;
    height: auto;
    display: block;
    z-index: 2;
    pointer-events: none;
}

.phone-screen {
    position: absolute;
    top: 3.64%;
    left: 6.25%;
    width: 87.5%;
    height: 90.91%;
    border-radius: 14px;
    overflow: hidden;
    background: var(--color-bg-dark);
    z-index: 1;
}

.phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    display: block;
}

/* ===== Floating Badges ===== */
.floating-badge {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--color-white);
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-elevated);
    font-weight: 800;
    font-size: 0.875rem;
    color: var(--color-text);
    transition: transform var(--transition-base);
    z-index: 3;
    will-change: transform;
}

.badge-youtube {
    top: 10%;
    left: -10%;
    color: var(--color-youtube);
    animation: badge-bounce 4s ease-in-out infinite;
}

.badge-pdf {
    top: 50%;
    left: -15%;
    color: var(--color-pdf);
    animation: badge-bounce 5s ease-in-out infinite 0.5s;
}

.badge-ai {
    top: 20%;
    right: -10%;
    color: var(--color-purple);
    animation: badge-bounce 4.5s ease-in-out infinite 1s;
}

.badge-article {
    bottom: 15%;
    right: -5%;
    color: var(--color-article);
    animation: badge-bounce 5.5s ease-in-out infinite 1.5s;
}

@keyframes badge-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ===== Store Badge Button ===== */
.store-btn {
    display: inline-block;
    transition: transform var(--transition-fast), filter var(--transition-base);
    line-height: 0;
}

.store-btn img {
    height: 80px;
    width: auto;
    border-radius: 12px;
}

.store-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}