/* ═══════════════════════════════════════
   FlexRenT Design System
   ═══════════════════════════════════════ */

:root {
    --fr-primary:      #47C0F4;
    --fr-primary-dark: #1fa8e0;
    --fr-dark:         #0d0d1a;
    --fr-dark-2:       #16213e;
    --fr-dark-3:       #0f3460;
    --fr-muted:        rgba(255,255,255,0.55);
    --fr-border:       rgba(71,192,244,0.14);
    --fr-glass:        rgba(255,255,255,0.04);
    --fr-radius:       12px;
    --fr-ease:         0.25s ease;
}

html { scroll-behavior: smooth; }

/* ── Navbar ── */

.fr-navbar {
    background: rgba(13, 13, 26, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--fr-border);
    padding: 0.6rem 0;
    transition: background var(--fr-ease), box-shadow var(--fr-ease);
}

.fr-navbar.scrolled {
    background: rgba(13, 13, 26, 0.97);
    box-shadow: 0 4px 28px rgba(0,0,0,0.45);
}

.fr-navbar .navbar-brand {
    font-family: 'Cabin', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--fr-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* All nav items: links AND logout button look identical */
.fr-navbar .nav-link,
.fr-navbar .nav-logout {
    font-family: 'Lora', serif;
    font-size: 0.88rem;
    letter-spacing: 0.4px;
    color: rgba(255,255,255,0.72) !important;
    padding: 0.45rem 0.8rem !important;
    position: relative;
    transition: color var(--fr-ease);
}

.fr-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--fr-primary);
    border-radius: 2px;
    transition: width var(--fr-ease);
}

.fr-navbar .nav-link:hover,
.fr-navbar .nav-logout:hover {
    color: #fff !important;
}

.fr-navbar .nav-link:hover::after { width: 55%; }

/* Logout: reset button chrome, match nav-link exactly */
.nav-logout {
    background: none;
    border: none;
    cursor: pointer;
    display: block;
    width: 100%;
    text-align: left;
    line-height: inherit;
}

/* Login/Register pills */
.fr-navbar .btn-nav-login {
    border: 1px solid rgba(71,192,244,0.45) !important;
    color: var(--fr-primary) !important;
    border-radius: 20px !important;
    padding: 0.3rem 1rem !important;
    font-size: 0.82rem !important;
    transition: all var(--fr-ease) !important;
}

.fr-navbar .btn-nav-login:hover {
    background: var(--fr-primary) !important;
    color: var(--fr-dark) !important;
}

.fr-navbar .btn-nav-register {
    background: var(--fr-primary) !important;
    color: var(--fr-dark) !important;
    border-radius: 20px !important;
    padding: 0.3rem 1rem !important;
    font-size: 0.82rem !important;
    font-weight: 700;
    transition: all var(--fr-ease) !important;
}

.fr-navbar .btn-nav-register:hover {
    background: var(--fr-primary-dark) !important;
    color: #fff !important;
}

/* ── Hero ── */

.fr-hero {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding-top: 76px;
    background: var(--fr-dark);
}

.fr-hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 80% at 5% 95%, rgba(71,192,244,0.14) 0%, transparent 55%),
        radial-gradient(ellipse 55% 55% at 95% 5%,  rgba(123,97,255,0.10) 0%, transparent 55%),
        linear-gradient(155deg, #0d0d1a 0%, #16213e 55%, #0f3460 100%);
    animation: bgShift 14s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0%   { filter: hue-rotate(0deg)   brightness(1);    }
    100% { filter: hue-rotate(12deg)  brightness(1.05); }
}

.fr-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(71,192,244,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(71,192,244,0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, black 20%, transparent 100%);
}

.fr-hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem 0 3rem;
}

.fr-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(71,192,244,0.09);
    border: 1px solid rgba(71,192,244,0.22);
    color: var(--fr-primary);
    font-family: 'Cabin', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.28rem 0.9rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
}

.fr-hero h1 {
    font-family: 'Cabin', sans-serif;
    font-size: clamp(4rem, 10vw, 7.5rem);
    font-weight: 700;
    color: #fff;
    letter-spacing: 5px;
    line-height: 0.92;
    margin-bottom: 0;
}

.fr-hero h1 span {
    color: var(--fr-primary);
    display: block;
}

.fr-hero-sub {
    font-family: 'Lora', serif;
    color: var(--fr-muted);
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    line-height: 1.75;
    max-width: 480px;
    margin: 1.75rem auto 2.5rem;
}

.fr-hero-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255,255,255,0.07);
}

.fr-stat-num {
    font-family: 'Cabin', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--fr-primary);
    line-height: 1;
}

.fr-stat-label {
    font-size: 0.72rem;
    font-family: 'Cabin', sans-serif;
    color: var(--fr-muted);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-top: 0.2rem;
}

/* ── Buttons ── */

.btn-fr {
    background: var(--fr-primary);
    color: var(--fr-dark);
    border: 2px solid var(--fr-primary);
    font-family: 'Cabin', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    padding: 0.7rem 1.9rem;
    border-radius: 2px;
    transition: all var(--fr-ease);
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.btn-fr:hover {
    background: var(--fr-primary-dark);
    border-color: var(--fr-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(71,192,244,0.28);
}

.btn-fr-outline {
    background: transparent;
    color: rgba(255,255,255,0.88);
    border: 2px solid rgba(255,255,255,0.3);
    font-family: 'Cabin', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    padding: 0.7rem 1.9rem;
    border-radius: 2px;
    transition: all var(--fr-ease);
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    text-decoration: none;
    cursor: pointer;
}

.btn-fr-outline:hover {
    background: rgba(255,255,255,0.09);
    border-color: rgba(255,255,255,0.65);
    color: #fff;
}

/* ── Section helpers ── */

.fr-section-tag {
    font-family: 'Cabin', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--fr-primary);
    margin-bottom: 0.65rem;
    display: block;
}

.fr-section-title {
    font-family: 'Cabin', sans-serif;
    font-size: clamp(1.9rem, 4vw, 2.9rem);
    font-weight: 700;
    line-height: 1.12;
}

/* ── How It Works ── */

.fr-how {
    background: #f7f8fc;
    padding: 6rem 0;
}

.fr-how .fr-section-title { color: var(--fr-dark); }

.fr-section-sub {
    font-family: 'Lora', serif;
    color: #6b7280;
    font-size: 1rem;
    line-height: 1.7;
    max-width: 460px;
}

.fr-step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem 0;
    border-bottom: 1px solid #e8eaee;
    transition: all var(--fr-ease);
}

.fr-step:last-child { border-bottom: none; }

.fr-step-num {
    font-family: 'Cabin', sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    color: rgba(71,192,244,0.18);
    line-height: 1;
    min-width: 52px;
    transition: color var(--fr-ease);
}

.fr-step:hover .fr-step-num { color: var(--fr-primary); }

.fr-step-title {
    font-family: 'Cabin', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--fr-dark);
    margin-bottom: 0.3rem;
    letter-spacing: 0.2px;
}

.fr-step-text {
    font-family: 'Lora', serif;
    color: #6b7280;
    font-size: 0.92rem;
    line-height: 1.65;
    margin: 0;
}

/* ── Features (dark) ── */

.fr-features {
    background: var(--fr-dark);
    padding: 6rem 0;
}

.fr-feature-card {
    background: var(--fr-glass);
    border: 1px solid var(--fr-border);
    border-radius: var(--fr-radius);
    padding: 1.9rem;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: all var(--fr-ease);
}

.fr-feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--fr-primary), transparent);
    opacity: 0;
    transition: opacity var(--fr-ease);
}

.fr-feature-card:hover {
    background: rgba(71,192,244,0.055);
    border-color: rgba(71,192,244,0.38);
    transform: translateY(-5px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.28);
}

.fr-feature-card:hover::before { opacity: 1; }

.fr-feature-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: rgba(71,192,244,0.09);
    border: 1px solid rgba(71,192,244,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--fr-primary);
    margin-bottom: 1.2rem;
}

.fr-feature-title {
    font-family: 'Cabin', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.45rem;
    letter-spacing: 0.3px;
}

.fr-feature-text {
    font-family: 'Lora', serif;
    color: var(--fr-muted);
    font-size: 0.88rem;
    line-height: 1.68;
    margin: 0;
}

/* ── CTA Banner ── */

.fr-cta {
    background: linear-gradient(145deg, var(--fr-dark-2), var(--fr-dark-3));
    padding: 5.5rem 0;
    position: relative;
    overflow: hidden;
}

.fr-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 55% 90% at 50% 50%, rgba(71,192,244,0.07), transparent);
}

.fr-cta-inner { position: relative; z-index: 2; }

/* ── Auth forms ── */

.fr-form-wrap {
    min-height: 100vh;
    background: linear-gradient(145deg, var(--fr-dark) 0%, var(--fr-dark-3) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 1rem 2.5rem;
}

.fr-form {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--fr-border);
    border-radius: var(--fr-radius);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(14px);
    box-shadow: 0 28px 72px rgba(0,0,0,0.45);
}

.fr-form h2 {
    font-family: 'Cabin', sans-serif;
    color: #fff;
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-bottom: 0.35rem;
    text-align: center;
}

.fr-form .form-sub {
    font-family: 'Lora', serif;
    color: var(--fr-muted);
    font-size: 0.875rem;
    text-align: center;
    margin-bottom: 2rem;
    display: block;
}

.fr-form .form-control {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(71,192,244,0.2);
    border-radius: 6px;
    color: #fff;
    padding: 0.6rem 0.9rem;
    font-size: 0.93rem;
    transition: all var(--fr-ease);
}

.fr-form .form-control::placeholder { color: rgba(255,255,255,0.32); }

.fr-form .form-control:focus {
    background: rgba(255,255,255,0.10);
    border-color: var(--fr-primary);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(71,192,244,0.16);
}

.fr-form .form-check-label {
    font-family: 'Lora', serif;
    font-size: 0.875rem;
    color: var(--fr-muted);
}

/* ── Footer ── */

.fr-footer {
    background: #080812;
    border-top: 1px solid rgba(71,192,244,0.07);
    padding: 3.5rem 0 1.75rem;
}

.fr-footer-brand {
    font-family: 'Cabin', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--fr-primary);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.fr-footer-tagline {
    font-family: 'Lora', serif;
    color: rgba(255,255,255,0.35);
    font-size: 0.83rem;
    line-height: 1.6;
}

.fr-footer-heading {
    font-family: 'Cabin', sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.28);
    margin-bottom: 1rem;
}

.fr-footer a {
    color: rgba(255,255,255,0.48);
    text-decoration: none;
    font-family: 'Lora', serif;
    font-size: 0.84rem;
    transition: color var(--fr-ease);
    display: block;
    margin-bottom: 0.45rem;
}

.fr-footer a:hover { color: var(--fr-primary); }

.fr-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    color: rgba(255,255,255,0.22);
    font-size: 0.78rem;
    font-family: 'Lora', serif;
}

/* ── Scroll reveal ── */

.fr-reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.fr-reveal.visible { opacity: 1; transform: none; }

.fr-reveal-d1 { transition-delay: 0.08s; }
.fr-reveal-d2 { transition-delay: 0.17s; }
.fr-reveal-d3 { transition-delay: 0.26s; }
.fr-reveal-d4 { transition-delay: 0.35s; }
.fr-reveal-d5 { transition-delay: 0.44s; }
.fr-reveal-d6 { transition-delay: 0.53s; }

main { padding-top: 0; }