/* ========================================
   InnovaLoa - Components (Light Theme)
   ======================================== */

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    border: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-copper);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-copper);
    color: #ffffff;
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent-cyan);
    border: 2px solid var(--color-accent-cyan);
}

/* On dark backgrounds */
.hero .btn-secondary {
    color: var(--color-accent-cyan-light);
    border-color: var(--color-accent-cyan-light);
}

.hero .btn-secondary:hover {
    background: var(--color-accent-cyan-light);
    color: var(--color-bg-hero);
}

.btn-secondary:hover {
    background: var(--color-accent-cyan);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-cyan);
}

/* === Navbar === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: var(--fw-bold);
    color: var(--color-text-on-dark);
}

.navbar.scrolled .nav-logo {
    color: var(--color-text-primary);
}

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

.nav-logo span:first-of-type {
    color: var(--color-accent-copper);
}

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

.nav-link {
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--color-text-on-dark-secondary);
    position: relative;
    padding: var(--space-xs) 0;
}

.navbar.scrolled .nav-link {
    color: var(--color-text-secondary);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-on-dark);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--color-text-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-text-on-dark);
    transition: all var(--transition-base);
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-text-primary);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* === Cards === */
.card {
    background: var(--color-bg-primary);
    border: var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-tech);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    background: rgba(232, 98, 43, 0.08);
    border-radius: var(--border-radius-md);
    color: var(--color-accent-copper);
}

.card-icon svg {
    width: 30px;
    height: 30px;
}

.card h3 {
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.card p {
    font-size: var(--fs-small);
    margin-bottom: 0;
    color: var(--color-text-secondary);
}

/* === Stats === */
.stat-item {
    text-align: center;
    padding: var(--space-lg);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--fs-h1);
    font-weight: var(--fw-bold);
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: var(--space-xs);
}

/* === Form Elements === */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-primary);
    border: var(--border-subtle);
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    font-family: var(--font-body);
    font-size: var(--fs-body);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.12);
    outline: none;
}

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

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234A5568' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-accent-copper);
    cursor: pointer;
}

.form-checkbox span {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
}

.form-checkbox a {
    color: var(--color-accent-cyan);
    text-decoration: underline;
}

.form-error {
    font-size: var(--fs-tiny);
    color: #E53E3E;
    margin-top: var(--space-xs);
    display: none;
}

.form-group.error .form-error {
    display: block;
}

.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
    border-color: #E53E3E;
}

/* === Social Links === */
.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--color-text-on-dark-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-accent-copper);
    color: #ffffff;
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}