/* ================================================================
   NextWave — TDS / Landing Design System Base
   Shared tokens, layout primitives, buttons, cards, icons, forms.
   Loaded before page-specific CSS files.
   Scope: classes prefixed with .tds-
   ================================================================ */


/* ────────────────────────────────────────────────────────────────
   1. DESIGN TOKENS
   ──────────────────────────────────────────────────────────────── */

:root {
	/* Brand / Core */
	--tds-black: #1E1E1E;
	--tds-deep-black: #02060C;
	--tds-navy: #041B47;
	--tds-dark-navy: #02172F;
	--tds-cyan: #27D6FF;
	--tds-cyan-hover: #50E0FF;
	--tds-white: #FFFFFF;
	--tds-soft: #EFEFFF;

	/* Text */
	--tds-text-primary: #FFFFFF;
	--tds-text-secondary: rgba(239, 239, 255, 0.78);
	--tds-text-muted: rgba(239, 239, 255, 0.55);
	--tds-text-faint: rgba(239, 239, 255, 0.38);

	/* Backgrounds */
	--tds-bg-primary: #02060C;
	--tds-bg-secondary: #02172F;
	--tds-bg-card: rgba(2, 6, 12, 0.56);
	--tds-bg-card-soft: rgba(4, 27, 71, 0.22);
	--tds-bg-glass: rgba(255, 255, 255, 0.045);

	/* Borders */
	--tds-border-soft: rgba(255, 255, 255, 0.07);
	--tds-border-cyan: rgba(39, 214, 255, 0.14);
	--tds-border-cyan-strong: rgba(39, 214, 255, 0.28);

	/* Gradients */
	--tds-gradient-page: linear-gradient(
		180deg,
		var(--tds-deep-black) 0%,
		#021020 55%,
		var(--tds-deep-black) 100%
	);

	--tds-gradient-hero: linear-gradient(
		155deg,
		var(--tds-deep-black) 0%,
		var(--tds-dark-navy) 55%,
		var(--tds-deep-black) 100%
	);

	/* Radius */
	--tds-radius-xs: 6px;
	--tds-radius-sm: 10px;
	--tds-radius-md: 16px;
	--tds-radius-lg: 22px;
	--tds-radius-pill: 999px;

	/* Spacing scale */
	--tds-space-2xs: 4px;
	--tds-space-xs: 8px;
	--tds-space-sm: 12px;
	--tds-space-md: 16px;
	--tds-space-lg: 24px;
	--tds-space-xl: 32px;
	--tds-space-2xl: 48px;
	--tds-space-3xl: 72px;
	--tds-space-4xl: 100px;

	/* Typography */
	--tds-font-family: inherit;

	--tds-text-xs: 0.72rem;
	--tds-text-sm: 0.82rem;
	--tds-text-md: 0.95rem;
	--tds-text-base: 1rem;
	--tds-text-lg: 1.125rem;

	--tds-h1: clamp(2.1rem, 7vw, 4rem);
	--tds-h2: clamp(1.85rem, 4.5vw, 3rem);
	--tds-h3: clamp(1.35rem, 3vw, 2rem);

	--tds-leading-tight: 1.1;
	--tds-leading-heading: 1.15;
	--tds-leading-body: 1.65;

	/* Motion */
	--tds-transition-fast: 0.18s ease;
	--tds-transition: 0.22s ease;

	/* Shadows / Glow — keep subtle */
	--tds-glow-soft: 0 0 60px rgba(39, 214, 255, 0.035);
}


/* ────────────────────────────────────────────────────────────────
   2. LAYOUT PRIMITIVES
   ──────────────────────────────────────────────────────────────── */

.tds-container {
	width: 100%;
	max-width: 1180px;
	margin-inline: auto;
	padding-inline: 20px;
}

.tds-container--wide {
	max-width: 1320px;
}

.tds-section {
	position: relative;
	padding-block: var(--tds-space-3xl);
	background-color: var(--tds-bg-primary);
}

.tds-section--dark {
	background-image: var(--tds-gradient-page);
}

.tds-stack {
	display: flex;
	flex-direction: column;
	gap: var(--tds-stack-gap, var(--tds-space-md));
}

.tds-grid {
	display: grid;
	gap: var(--tds-grid-gap, var(--tds-space-md));
}

@media (min-width: 640px) {
	.tds-container {
		padding-inline: 40px;
	}
}

@media (min-width: 1024px) {
	.tds-container {
		padding-inline: 64px;
	}

	.tds-section {
		padding-block: var(--tds-space-4xl);
	}
}


/* ────────────────────────────────────────────────────────────────
   3. TYPOGRAPHY HELPERS
   ──────────────────────────────────────────────────────────────── */

.tds-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	margin: 0;
	font-size: var(--tds-text-xs);
	font-weight: 800;
	line-height: 1;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--tds-cyan);
}

.tds-eyebrow::before {
	content: '';
	display: block;
	width: 22px;
	height: 2px;
	background-color: currentColor;
	flex-shrink: 0;
}

.tds-heading {
	margin: 0;
	color: var(--tds-text-primary);
	font-weight: 800;
	letter-spacing: -0.025em;
	line-height: var(--tds-leading-heading);
}

.tds-heading--h1 {
	font-size: var(--tds-h1);
}

.tds-heading--h2 {
	font-size: var(--tds-h2);
}

.tds-heading--h3 {
	font-size: var(--tds-h3);
}

.tds-highlight {
	color: var(--tds-cyan);
}

.tds-copy {
	margin: 0;
	color: var(--tds-text-secondary);
	font-size: var(--tds-text-base);
	line-height: var(--tds-leading-body);
}

.tds-copy--small {
	font-size: var(--tds-text-sm);
}

.tds-copy--muted {
	color: var(--tds-text-muted);
}


/* ────────────────────────────────────────────────────────────────
   4. BUTTON SYSTEM
   ──────────────────────────────────────────────────────────────── */

.tds-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 8px 8px 8px 26px;
	border: 2px solid transparent;
	border-radius: var(--tds-radius-pill);
	font-family: var(--tds-font-family);
	font-size: 0.9rem;
	font-weight: 800;
	line-height: 1;
	letter-spacing: 0.02em;
	text-decoration: none;
	white-space: nowrap;
	cursor: pointer;
	transition:
		background-color var(--tds-transition),
		border-color var(--tds-transition),
		color var(--tds-transition),
		transform var(--tds-transition);
}

.tds-btn:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(39, 214, 255, 0.5);
}

.tds-btn__label {
	display: block;
}

.tds-btn__icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border-radius: 50%;
	flex-shrink: 0;
	transition:
		transform var(--tds-transition),
		background-color var(--tds-transition),
		color var(--tds-transition),
		border-color var(--tds-transition);
}

.tds-btn:hover .tds-btn__icon {
	transform: translateX(3px);
}

.tds-btn--primary {
	background-color: var(--tds-cyan);
	border-color: var(--tds-cyan);
	color: var(--tds-dark-navy);
}

.tds-btn--primary .tds-btn__icon {
	background-color: var(--tds-dark-navy);
	color: var(--tds-white);
}

.tds-btn--primary:hover {
	background-color: var(--tds-cyan-hover);
	border-color: var(--tds-cyan-hover);
	color: var(--tds-dark-navy);
	transform: translateY(-2px);
}

.tds-btn--secondary {
	background-color: rgba(255, 255, 255, 0.05);
	border-color: rgba(255, 255, 255, 0.28);
	color: var(--tds-white);
}

.tds-btn--secondary .tds-btn__icon {
	background-color: rgba(39, 214, 255, 0.10);
	border: 1px solid rgba(39, 214, 255, 0.35);
	color: var(--tds-cyan);
}

.tds-btn--secondary:hover {
	background-color: rgba(39, 214, 255, 0.08);
	border-color: var(--tds-cyan);
	color: var(--tds-white);
	transform: translateY(-2px);
}

.tds-btn--secondary:hover .tds-btn__icon {
	background-color: var(--tds-cyan);
	border-color: var(--tds-cyan);
	color: var(--tds-dark-navy);
}


/* ────────────────────────────────────────────────────────────────
   5. CARD SYSTEM
   ──────────────────────────────────────────────────────────────── */

.tds-card {
	background-color: var(--tds-bg-card);
	border: 1px solid var(--tds-border-cyan);
	border-radius: var(--tds-radius-sm);
	color: var(--tds-text-primary);
}

.tds-card--glass {
	background-color: var(--tds-bg-glass);
	backdrop-filter: blur(10px);
}

.tds-card__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--tds-cyan);
	line-height: 1;
}

.tds-card__icon svg {
	display: block;
	width: 1em;
	height: 1em;
}

.tds-card__title {
	margin: 0;
	color: var(--tds-soft);
	font-weight: 800;
	line-height: 1.25;
}

.tds-card__text {
	margin: 0;
	color: var(--tds-text-muted);
	font-size: var(--tds-text-sm);
	line-height: 1.45;
}


/* ────────────────────────────────────────────────────────────────
   6. CTA STRIP SYSTEM
   ──────────────────────────────────────────────────────────────── */

.tds-cta-strip {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: var(--tds-space-sm);
	text-align: center;
}

.tds-cta-strip__lead {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--tds-space-xs);
	color: var(--tds-cyan);
}

.tds-cta-strip__arrow {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--tds-cyan);
	line-height: 1;
}

.tds-cta-strip__text {
	margin: 0;
	color: var(--tds-cyan);
	font-size: var(--tds-text-xs);
	font-weight: 800;
	line-height: 1.4;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}


/* ────────────────────────────────────────────────────────────────
   7. FORM BASICS
   ──────────────────────────────────────────────────────────────── */

.tds-form {
	display: grid;
	gap: var(--tds-space-md);
}

.tds-field {
	display: flex;
	flex-direction: column;
	gap: var(--tds-space-xs);
}

.tds-label {
	color: var(--tds-soft);
	font-size: var(--tds-text-sm);
	font-weight: 800;
}

.tds-input,
.tds-select,
.tds-textarea {
	width: 100%;
	border: 1px solid var(--tds-border-cyan);
	border-radius: var(--tds-radius-sm);
	background-color: rgba(2, 6, 12, 0.62);
	color: var(--tds-white);
	font-family: inherit;
	font-size: var(--tds-text-md);
	line-height: 1.4;
	padding: 14px 16px;
	transition:
		border-color var(--tds-transition-fast),
		box-shadow var(--tds-transition-fast),
		background-color var(--tds-transition-fast);
}

.tds-input::placeholder,
.tds-textarea::placeholder {
	color: var(--tds-text-faint);
}

.tds-input:focus,
.tds-select:focus,
.tds-textarea:focus {
	outline: none;
	border-color: var(--tds-cyan);
	box-shadow: 0 0 0 3px rgba(39, 214, 255, 0.16);
	background-color: rgba(2, 6, 12, 0.82);
}


/* ────────────────────────────────────────────────────────────────
   8. UTILITIES
   ──────────────────────────────────────────────────────────────── */

.tds-visually-hidden {
	position: absolute !important;
	width: 1px !important;
	height: 1px !important;
	padding: 0 !important;
	margin: -1px !important;
	overflow: hidden !important;
	clip: rect(0, 0, 0, 0) !important;
	white-space: nowrap !important;
	border: 0 !important;
}

.tds-no-margin {
	margin: 0 !important;
}

.tds-center {
	text-align: center;
}

.tds-left {
	text-align: left;
}