/**
 * Modern Enhancements — SiebeSol Visuals
 *
 * Scroll-reveal animations, enhanced micro-interactions,
 * cinematic grain, scroll-to-top, and visual polish.
 *
 * @package Tabweb
 * @since   1.5.0
 */

/* =====================================================================
   Scroll Reveal — added by JS via data-reveal attributes
   ===================================================================== */

[data-reveal] {
	opacity: 0;
	transform: translateY(2.8rem);
	transition:
		opacity 0.72s cubic-bezier(0.22, 0.88, 0.36, 1),
		transform 0.72s cubic-bezier(0.22, 0.88, 0.36, 1);
}

[data-reveal="fade-left"] {
	transform: translateX(-3.2rem);
}

[data-reveal="fade-right"] {
	transform: translateX(3.2rem);
}

[data-reveal="scale"] {
	transform: scale(0.94) translateY(1.6rem);
}

[data-reveal].is-revealed {
	opacity: 1;
	transform: none;
}

/* Staggered children */
[data-reveal-stagger] > * {
	opacity: 0;
	transform: translateY(2rem);
	transition:
		opacity 0.56s cubic-bezier(0.22, 0.88, 0.36, 1),
		transform 0.56s cubic-bezier(0.22, 0.88, 0.36, 1);
}

[data-reveal-stagger].is-revealed > *:nth-child(1)  { transition-delay:   0ms; }
[data-reveal-stagger].is-revealed > *:nth-child(2)  { transition-delay:  80ms; }
[data-reveal-stagger].is-revealed > *:nth-child(3)  { transition-delay: 160ms; }
[data-reveal-stagger].is-revealed > *:nth-child(4)  { transition-delay: 240ms; }
[data-reveal-stagger].is-revealed > *:nth-child(5)  { transition-delay: 320ms; }
[data-reveal-stagger].is-revealed > *:nth-child(6)  { transition-delay: 400ms; }
[data-reveal-stagger].is-revealed > *:nth-child(n+7){ transition-delay: 480ms; }

[data-reveal-stagger].is-revealed > * {
	opacity: 1;
	transform: none;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
	[data-reveal],
	[data-reveal-stagger] > * {
		opacity: 1 !important;
		transform: none !important;
		transition: none !important;
	}
}

/* =====================================================================
   Gradient text utility + hero title accents
   ===================================================================== */

.tw-gradient-text,
.tw-header-home__title em,
.tw-header-home__title strong {
	font-style: normal;
	background: linear-gradient(135deg, #ffffff 0%, #b8daff 52%, #7ab8f5 100%);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

/* =====================================================================
   Button — shimmer sweep on hover
   ===================================================================== */

.btn--primary,
.tw-btn--primary {
	position: relative;
	overflow: hidden;
	isolation: isolate;
}

.btn--primary::after,
.tw-btn--primary::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(
		105deg,
		transparent 30%,
		rgba(255, 255, 255, 0.16) 50%,
		transparent 70%
	);
	transform: translateX(-100%);
	transition: transform 0.6s cubic-bezier(0.22, 0.88, 0.36, 1);
	pointer-events: none;
	z-index: 0;
}

.btn--primary:hover::after,
.tw-btn--primary:hover::after {
	transform: translateX(100%);
}

/* =====================================================================
   Enhanced Card hover — lift, glow, image zoom
   ===================================================================== */

.tw-card {
	transition:
		transform 0.32s cubic-bezier(0.22, 0.88, 0.36, 1),
		box-shadow 0.32s cubic-bezier(0.22, 0.88, 0.36, 1),
		border-color 0.32s ease;
	will-change: transform;
}

.tw-card:hover {
	transform: translateY(-7px);
	box-shadow:
		0 28px 64px rgba(8, 22, 44, 0.22),
		0 0 0 1px rgba(180, 215, 255, 0.38);
	border-color: rgba(180, 215, 255, 0.55);
}

/* Image zoom on card hover */
.tw-card__image {
	overflow: hidden;
}

.tw-card__image img {
	transition: transform 0.58s cubic-bezier(0.22, 0.88, 0.36, 1);
	will-change: transform;
}

.tw-card:hover .tw-card__image img {
	transform: scale(1.07);
}

/* =====================================================================
   Service card — enhanced hover
   ===================================================================== */

.tw-service-card {
	transition:
		transform 0.32s cubic-bezier(0.22, 0.88, 0.36, 1),
		box-shadow 0.32s cubic-bezier(0.22, 0.88, 0.36, 1),
		border-color 0.32s ease,
		background 0.32s ease;
}

.tw-service-card:hover {
	transform: translateY(-6px);
	box-shadow:
		0 24px 56px rgba(8, 22, 44, 0.2),
		0 0 0 1px rgba(180, 215, 255, 0.4);
	border-color: rgba(180, 215, 255, 0.5);
}

.tw-service-card__icon {
	transition: transform 0.36s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tw-service-card:hover .tw-service-card__icon {
	transform: scale(1.18) rotate(-4deg);
}

/* Work Pillars hover — handled by siebesol-brand.css bento redesign */

/* =====================================================================
   Testimonial card hover
   ===================================================================== */

.tw-testimonial__card {
	transition:
		transform 0.30s cubic-bezier(0.22, 0.88, 0.36, 1),
		box-shadow 0.30s ease;
}

.tw-testimonial__card:hover {
	transform: translateY(-5px);
	box-shadow: 0 26px 58px rgba(12, 32, 60, 0.18);
}

/* =====================================================================
   Social links — lift + color
   ===================================================================== */

.tw-social__link {
	transition:
		transform 0.26s cubic-bezier(0.34, 1.56, 0.64, 1),
		opacity 0.22s ease,
		background 0.22s ease;
}

.tw-social__link:hover {
	transform: translateY(-4px) scale(1.08);
}

/* =====================================================================
   Nav link — animated underline (desktop)
   ===================================================================== */

/* Nav link — active pill handled by siebesol-brand.css */

/* =====================================================================
   Film grain — cinematic overlay
   ===================================================================== */

body::after {
	content: '';
	position: fixed;
	inset: 0;
	width: 100%;
	height: 100%;
	/* Inline SVG noise pattern */
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23g)' opacity='1'/%3E%3C/svg%3E");
	opacity: 0.028;
	pointer-events: none;
	z-index: 9998;
	animation: grainShift 7s steps(12) infinite;
}

@keyframes grainShift {
	0%   { transform: translate(0, 0); }
	9%   { transform: translate(-2%, -2%); }
	18%  { transform: translate(2%, 1%); }
	27%  { transform: translate(-1%, 2%); }
	36%  { transform: translate(1%, -1%); }
	45%  { transform: translate(-2%, 1%); }
	54%  { transform: translate(2%, -2%); }
	63%  { transform: translate(-1%, 1%); }
	72%  { transform: translate(1%, 2%); }
	81%  { transform: translate(-2%, -1%); }
	90%  { transform: translate(2%, 2%); }
	100% { transform: translate(0, 0); }
}

@media (prefers-reduced-motion: reduce) {
	body::after {
		animation: none;
	}
}

/* =====================================================================
   Scroll-to-top button — injected by JS
   ===================================================================== */

.tw-scroll-top {
	position: fixed;
	bottom: 2.8rem;
	right: 2.4rem;
	z-index: 1020;
	width: 4.8rem;
	height: 4.8rem;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(228, 241, 255, 0.52));
	border: 1px solid rgba(255, 255, 255, 0.8);
	backdrop-filter: blur(20px) saturate(180%);
	-webkit-backdrop-filter: blur(20px) saturate(180%);
	border-radius: 999px;
	box-shadow:
		0 8px 24px rgba(10, 28, 54, 0.18),
		inset 0 1px 0 rgba(255, 255, 255, 0.9);
	color: #0f2b4d;
	cursor: pointer;
	opacity: 0;
	transform: translateY(1.6rem);
	transition:
		opacity 0.32s ease,
		transform 0.32s cubic-bezier(0.22, 0.88, 0.36, 1),
		background 0.22s ease,
		box-shadow 0.22s ease;
	pointer-events: none;
}

.tw-scroll-top.is-visible {
	opacity: 1;
	transform: translateY(0);
	pointer-events: auto;
}

.tw-scroll-top:hover {
	background: rgba(255, 255, 255, 0.96);
	color: #07121f;
	box-shadow:
		0 14px 36px rgba(10, 28, 54, 0.26),
		inset 0 1px 0 rgba(255, 255, 255, 1);
	transform: translateY(-3px);
}

.tw-scroll-top:focus-visible {
	outline: 2px solid #0a4c8d;
	outline-offset: 3px;
}

.tw-scroll-top svg {
	width: 2rem;
	height: 2rem;
	stroke: currentColor;
	stroke-width: 2.4;
	stroke-linecap: round;
	stroke-linejoin: round;
	fill: none;
	flex-shrink: 0;
}

/* =====================================================================
   Custom cursor dot — desktop (pointer: fine) only
   ===================================================================== */

@media (pointer: fine) {
	.tw-cursor {
		position: fixed;
		width: 0.8rem;
		height: 0.8rem;
		border-radius: 50%;
		background: rgba(120, 180, 255, 0.95);
		pointer-events: none;
		z-index: 9997;
		transform: translate(-50%, -50%);
		transition: width 0.22s ease, height 0.22s ease, opacity 0.22s ease;
		mix-blend-mode: difference;
		will-change: left, top;
	}

	.tw-cursor.is-expanded {
		width: 4rem;
		height: 4rem;
		opacity: 0.38;
	}
}

/* =====================================================================
   Page load fade-in
   ===================================================================== */

.tw-main {
	animation: pageFadeIn 0.55s cubic-bezier(0.22, 0.88, 0.36, 1) both;
}

@keyframes pageFadeIn {
	from {
		opacity: 0;
		transform: translateY(0.8rem);
	}
	to {
		opacity: 1;
		transform: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.tw-main {
		animation: none;
	}
}

/* =====================================================================
   Contact form focus polish
   ===================================================================== */

.gfield input[type="text"],
.gfield input[type="email"],
.gfield input[type="tel"],
.gfield input[type="number"],
.gfield input[type="url"],
.gfield textarea,
.gfield select {
	transition:
		border-color 0.22s ease,
		box-shadow 0.22s ease,
		background-color 0.22s ease;
}

.gfield input[type="text"]:focus,
.gfield input[type="email"]:focus,
.gfield input[type="tel"]:focus,
.gfield textarea:focus {
	outline: none;
	border-color: rgba(120, 180, 255, 0.64);
	box-shadow: 0 0 0 3px rgba(100, 160, 255, 0.16);
	background-color: rgba(255, 255, 255, 0.96);
}

/* =====================================================================
   Section anchor smooth scroll offset compensation
   ===================================================================== */

.tw-page-sections > .tw-section[id]:not(.tw-header-home):not(.tw-header-subpage) {
	scroll-margin-top: 10rem;
}