/* =====================================================
   iHQmail — Component Styles
   Buttons, Cards, Navigation, Forms
   ===================================================== */

/* ─────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

/* Primary Button — Glowing Cyan */
.btn-primary {
    background: linear-gradient(135deg, var(--color-cyan-500) 0%, var(--color-cyan-600) 100%);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow-cyan);
}

.btn-primary::before {
    background: linear-gradient(135deg, var(--color-cyan-400) 0%, var(--color-cyan-500) 100%);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--color-cyan-glow), 0 0 60px rgba(0, 240, 255, 0.3);
}

/* Secondary Button — Glass Outline */
.btn-secondary {
    background: transparent;
    color: var(--color-cyan-400);
    border: var(--border-thin) solid var(--color-cyan-500);
}

.btn-secondary::before {
    background: var(--color-cyan-subtle);
}

.btn-secondary:hover {
    border-color: var(--color-cyan-400);
    box-shadow: var(--shadow-glow-cyan);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    color: var(--color-cyan-400);
}

/* Button Sizes */
.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

/* ─────────────────────────────────────────────────────
   NAVIGATION
   ───────────────────────────────────────────────────── */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: var(--border-thin) solid var(--glass-border);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.header.scrolled::before {
    opacity: 1;
}

.header-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-xl);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    z-index: 10;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.nav {
    display: none;
}

@media (min-width: 1024px) {
    .nav {
        display: flex;
        align-items: center;
        gap: var(--space-8);
    }
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-cyan-400);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-cyan-400);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    z-index: 10;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-2);
}

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

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

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

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

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-modal);
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav .nav-link {
    font-size: var(--text-2xl);
}

/* ─────────────────────────────────────────────────────
   CARDS — Glassmorphism
   ───────────────────────────────────────────────────── */

.card {
    position: relative;
    background: var(--glass-bg);
    border: var(--border-thin) solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition: all var(--transition-base);
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.card:hover {
    border-color: rgba(0, 240, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 240, 255, 0.1);
}

.card:hover::before {
    opacity: 1;
}

/* Featured Card Variant */
.card-featured {
    border-color: var(--color-cyan-500);
    box-shadow: var(--shadow-glow-cyan);
}

.card-featured::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-cyan-400), transparent);
}

/* ─────────────────────────────────────────────────────
   BADGE
   ───────────────────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    border-radius: var(--radius-full);
    background: var(--color-cyan-subtle);
    color: var(--color-cyan-400);
    border: var(--border-thin) solid var(--color-cyan-500);
}

.badge-coming-soon {
    background: rgba(255, 171, 0, 0.1);
    color: var(--color-warning);
    border-color: var(--color-warning);
}

/* ─────────────────────────────────────────────────────
   FORMS
   ───────────────────────────────────────────────────── */

.form-group {
    position: relative;
    margin-bottom: var(--space-6);
}

.form-input {
    width: 100%;
    padding: var(--space-4);
    background: var(--color-bg-elevated);
    border: var(--border-thin) solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-cyan-500);
    box-shadow: 0 0 0 3px var(--color-cyan-subtle);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
}

textarea.form-input {
    min-height: 120px;
    resize: vertical;
}

/* ─────────────────────────────────────────────────────
   ICON CONTAINER
   ───────────────────────────────────────────────────── */

.icon-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-cyan-subtle) 0%, transparent 100%);
    border: var(--border-thin) solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-cyan-400);
}

.icon-container svg {
    width: 28px;
    height: 28px;
}

/* ─────────────────────────────────────────────────────
   DIVIDER
   ───────────────────────────────────────────────────── */

.divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
    margin-block: var(--space-8);
}

/* ─────────────────────────────────────────────────────
   SECTION HEADER
   ───────────────────────────────────────────────────── */

.section-header {
    text-align: center;
    max-width: 680px;
    margin-inline: auto;
    margin-bottom: var(--space-12);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding: var(--space-2) var(--space-4);
    background: var(--color-cyan-subtle);
    border: var(--border-thin) solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-cyan-400);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
}