/* ================================================
   Smart Impact Industries
   Design System & Styles
   ================================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #08080a;
    --color-bg-elevated: #111114;
    --color-bg-card: #16161a;
    --color-surface: #1c1c21;
    --color-border: #2a2a30;
    --color-text: #e8e8ed;
    --color-text-secondary: #9898a0;
    --color-text-muted: #5c5c66;
    --color-accent: #c8372d;
    --color-accent-light: #e04a3f;
    --color-accent-glow: rgba(200, 55, 45, 0.15);
    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --container: 1140px;
    --gap: clamp(1rem, 3vw, 2rem);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gap);
}

a {
    color: inherit;
    text-decoration: none;
}

/* --- Skip Link (Accessibility) --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0 0 4px 4px;
    z-index: 200;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* --- Focus States (Accessibility) --- */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

/* Remove default outline only for mouse clicks */
*:focus:not(:focus-visible) {
    outline: none;
}

/* --- Required Indicator --- */
.required {
    color: var(--color-accent);
    font-weight: 600;
}

img {
    max-width: 100%;
    display: block;
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 4px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 0.01em;
}

.btn--primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    box-shadow: 0 0 30px var(--color-accent-glow);
    transform: scale(1.02);
}

.btn--primary:active {
    transform: scale(0.98);
    transition-duration: 0.1s;
}

.btn--outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn--outline:hover {
    border-color: var(--color-text-secondary);
    color: #fff;
    transform: scale(1.02);
}

.btn--outline:active {
    transform: scale(0.98);
    transition-duration: 0.1s;
}

.btn--full {
    width: 100%;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 0;
    transition: all 0.3s ease;
}

.nav--scrolled {
    background: rgba(8, 8, 10, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 0.875rem 0;
}

.nav__inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gap);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo-mark {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-accent);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color 0.2s;
    letter-spacing: 0.02em;
}

.nav__link:hover {
    color: var(--color-text);
}

.nav__link--cta {
    color: var(--color-accent);
}

.nav__link--cta:hover {
    color: var(--color-accent-light);
}

.nav__link--active {
    color: var(--color-text);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 70% 30%, var(--color-accent-glow), transparent),
        radial-gradient(ellipse 40% 60% at 20% 80%, rgba(200, 55, 45, 0.05), transparent);
}

.hero__content {
    position: relative;
    max-width: 720px;
}

.hero__label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    position: relative;
}

.hero__label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 1.25rem;
    height: 1px;
    background: var(--color-accent);
}

.hero__title {
    font-size: clamp(2.75rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    color: #fff;
}

.hero__title--accent {
    color: var(--color-accent);
}

.hero__subtitle {
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 2.5rem;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.hero__scroll span {
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-text-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* --- Statement --- */
.statement {
    padding: 6rem 0;
    border-bottom: 1px solid var(--color-border);
}

.statement__inner {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.statement__line {
    width: 3px;
    min-height: 80px;
    background: var(--color-accent);
    flex-shrink: 0;
    border-radius: 2px;
}

.statement__text {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.8;
    color: var(--color-text-secondary);
    max-width: 800px;
}

/* --- Section Header --- */
.section-header {
    margin-bottom: 4rem;
}

.section-header__label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.section-header__title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: #fff;
}

/* --- Services --- */
.services {
    padding: 8rem 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-6px);
    box-shadow: 0 0 20px rgba(200, 55, 45, 0.2), 0 12px 40px rgba(0, 0, 0, 0.3);
}

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

.service-card__number {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.service-card__title {
    font-size: 1.375rem;
    color: #fff;
    margin-bottom: 1rem;
}

.service-card__desc {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-card__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-card__list li {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    padding-left: 1rem;
    position: relative;
}

.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* --- Method --- */
.method {
    padding: 8rem 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.method__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.method__title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: #fff;
    margin-bottom: 1.5rem;
}

.method__desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.method__stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.method__stat {
    padding: 1.5rem 2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    border-left: 3px solid var(--color-accent);
}

.method__stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.method__stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* --- Philosophy --- */
.philosophy {
    padding: 8rem 0;
}

.philosophy__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.philosophy__principle {
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: border-color 0.3s;
}

.philosophy__principle:hover {
    border-color: var(--color-accent);
}

.philosophy__principle h3 {
    font-size: 1.125rem;
    color: #fff;
    margin-bottom: 0.75rem;
}

.philosophy__principle p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.philosophy__filter {
    background: var(--color-bg-card);
    border: 1px solid var(--color-accent);
    border-radius: 8px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.philosophy__filter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top left, var(--color-accent-glow), transparent 60%);
    pointer-events: none;
}

.philosophy__filter-title {
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
    position: relative;
}

.philosophy__filter-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    position: relative;
}

/* --- Contact --- */
.contact {
    padding: 8rem 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
}

.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact__title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: #fff;
    margin-bottom: 1rem;
}

.contact__desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact__info {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.contact__info a {
    color: var(--color-accent);
    transition: color 0.2s;
}

.contact__info a:hover {
    color: var(--color-accent-light);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    transition: border-color 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
}

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

.contact__form-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
    min-height: 1.2em;
}

/* --- Footer --- */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--color-border);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer__brand p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.footer__tagline {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.footer__links {
    display: flex;
    gap: 2rem;
}

.footer__links a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color 0.2s;
}

.footer__links a:hover {
    color: var(--color-text);
}

.footer__legal p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .services__grid {
        grid-template-columns: 1fr;
    }

    .method__inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .philosophy__grid {
        grid-template-columns: 1fr;
    }

    .contact__inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer__inner {
        flex-direction: column;
        text-align: center;
    }

    .usps__grid {
        grid-template-columns: 1fr;
    }

    .statement__highlights {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 640px) {
    .nav__links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(8, 8, 10, 0.97);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        z-index: 99;
    }

    .nav__links--open {
        display: flex;
    }

    .nav__links--open .nav__link {
        font-size: 1.25rem;
    }

    .nav__inner {
        flex-wrap: wrap;
        overflow: hidden;
    }

    .nav__logo-mark {
        font-size: 1rem;
        letter-spacing: 0.08em;
    }

    .nav__toggle {
        display: flex;
        z-index: 101;
        flex-shrink: 0;
    }

    .nav__toggle--open span:first-child {
        transform: rotate(45deg) translate(3px, 3px);
    }

    .nav__toggle--open span:last-child {
        transform: rotate(-45deg) translate(3px, -3px);
    }

    .hero {
        padding: 6rem 0 3rem;
    }

    .hero__scroll {
        display: none;
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .service-card {
        padding: 2rem;
    }

    .statement {
        padding: 4rem 0;
    }

    .services, .method, .philosophy, .contact, .process, .usps, .faq, .portfolio {
        padding: 5rem 0;
    }

    .process__timeline {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* --- Statement Highlights --- */
.statement__highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.statement__highlight {
    text-align: center;
    padding: 1.5rem;
}

.statement__highlight-icon {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.statement__highlight h3 {
    font-size: 1rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.statement__highlight p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- Process Timeline --- */
.process {
    padding: 8rem 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.process__timeline {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    position: relative;
}

.process__timeline::before {
    display: none;
}

.process__step {
    text-align: center;
    position: relative;
}

.process__step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-bg-card);
    border: 2px solid var(--color-accent);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.process__step-title {
    font-size: 1.125rem;
    color: #fff;
    margin-bottom: 0.75rem;
}

.process__step-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- USPs --- */
.usps {
    padding: 8rem 0;
}

.usps__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.usp-card {
    padding: 2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.usp-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 0 20px rgba(200, 55, 45, 0.15);
    transform: translateY(-4px);
}

.usp-card__title {
    font-size: 1.125rem;
    color: #fff;
    margin-bottom: 0.75rem;
}

.usp-card__desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- FAQ --- */
.faq {
    padding: 8rem 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
    border-top: 1px solid var(--color-border);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.5rem 0;
    background: none;
    border: none;
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: color 0.2s;
}

.faq__question:hover {
    color: var(--color-accent);
}

.faq__toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-accent);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq__item--open .faq__toggle {
    transform: rotate(45deg);
}

.faq__item--open .faq__question {
    color: var(--color-accent);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq__item--open .faq__answer {
    max-height: 300px;
    padding-bottom: 1.5rem;
}

.faq__answer p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* --- Contact Details --- */
.contact__details {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact__detail {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact__detail span {
    font-size: 1.125rem;
}

/* ─── Portfolio ─────────────────────────────────── */
.portfolio {
  padding: 8rem 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  margin-top: 0.5rem;
  margin-bottom: 3rem;
}

.case-study-card {
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 2px;
  padding: 2.5rem;
  transition: border-color 0.3s ease;
}

.case-study-card:hover {
  border-color: var(--color-accent);
}

.case-study-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.case-tag {
  font-family: var(--font-mono, 'Space Grotesk', sans-serif);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}

.case-study-title {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2rem;
}

.case-study-body {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: start;
}

.case-block {
  margin-bottom: 1.75rem;
}

.case-block h4 {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.case-block p,
.case-block li {
  color: var(--color-text-secondary, #a0a0a8);
  line-height: 1.7;
  font-size: 0.975rem;
}

.case-block ul {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.case-study-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 180px;
}

.case-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.case-stat-value {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
}

.case-stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .case-study-body {
    grid-template-columns: 1fr;
  }

  .case-study-stats {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem 2.5rem;
    min-width: unset;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding-top: 1.5rem;
  }
}

/* ─── Sub-Page Shared Styles ───────────────────── */

/* Page Hero (smaller than homepage) */
.page-hero {
    padding: 8rem 0 3rem;
    border-bottom: 1px solid var(--color-border);
}

.page-hero__back {
    display: inline-block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    transition: color 0.2s;
}

.page-hero__back:hover {
    color: var(--color-accent);
}

.page-hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: #fff;
    margin-top: 0.75rem;
    margin-bottom: 1rem;
}

.page-hero__subtitle {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 600px;
}

/* Page CTA */
.page-cta {
    padding: 6rem 0;
    text-align: center;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
}

.page-cta__title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 600;
    color: #fff;
    margin-bottom: 1rem;
}

.page-cta__desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* ─── Leistungen Page ──────────────────────────── */
.pillar {
    padding: 6rem 0;
}

.pillar--alt {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.pillar__header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.pillar__number {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

.pillar__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: #fff;
}

.pillar__text {
    max-width: 800px;
}

.pillar__text p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.pillar__text h3 {
    font-size: 1.125rem;
    color: #fff;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.pillar__deliverables,
.pillar__usecases {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pillar__deliverables li,
.pillar__usecases li {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    padding-left: 1.25rem;
    position: relative;
}

.pillar__deliverables li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 5px;
    height: 5px;
    background: var(--color-accent);
    border-radius: 50%;
}

.pillar__usecases li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 5px;
    height: 5px;
    border: 1px solid var(--color-accent);
    border-radius: 50%;
}

/* ─── Ueber Uns Page ──────────────────────────── */
.about-section {
    padding: 5rem 0;
}

.about-section--alt {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-block {
    max-width: 800px;
}

.about-block__title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.5rem;
}

.about-block p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.about-grid__item {
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.about-grid__item h3 {
    font-size: 1rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.about-grid__item p {
    font-size: 0.9375rem;
    margin-bottom: 0;
}

@media (max-width: 640px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* ─── Legal Pages ──────────────────────────────── */
.legal-page {
    padding: 8rem 0 4rem;
}

.legal-page__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: #fff;
    margin-top: 1rem;
    margin-bottom: 3rem;
}

.legal-content {
    max-width: 800px;
}

.legal-content h2 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    color: #fff;
    margin-top: 3rem;
    margin-bottom: 1rem;
}

.legal-content h3 {
    font-size: 1.0625rem;
    color: var(--color-text);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.legal-content p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-content ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-content li {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 0.375rem;
}

.legal-content a {
    color: var(--color-accent);
    transition: color 0.2s;
}

.legal-content a:hover {
    color: var(--color-accent-light);
}

/* ─── Checkbox in Contact Form ─────────────────── */
.form-group--checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    cursor: pointer;
}

.form-group--checkbox input[type="checkbox"] {
    width: auto;
    margin-top: 0.2rem;
    accent-color: var(--color-accent);
    flex-shrink: 0;
}

.form-group--checkbox a {
    color: var(--color-accent);
    text-decoration: underline;
    transition: color 0.2s;
}

.form-group--checkbox a:hover {
    color: var(--color-accent-light);
}

/* ─── Reduced Motion (Accessibility) ──────────── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    html {
        scroll-behavior: auto;
    }

    .hero__scroll-line {
        animation: none;
        opacity: 0.5;
    }

    .hero__bg {
        animation: none;
    }
}

/* ─── Stagger Animation Delays ────────────────── */
.services__grid .service-card:nth-child(1) { transition-delay: 0ms; }
.services__grid .service-card:nth-child(2) { transition-delay: 80ms; }
.services__grid .service-card:nth-child(3) { transition-delay: 160ms; }

.process__timeline .process__step:nth-child(1) { transition-delay: 0ms; }
.process__timeline .process__step:nth-child(2) { transition-delay: 80ms; }
.process__timeline .process__step:nth-child(3) { transition-delay: 160ms; }
.process__timeline .process__step:nth-child(4) { transition-delay: 240ms; }

.usps__grid .usp-card:nth-child(1) { transition-delay: 0ms; }
.usps__grid .usp-card:nth-child(2) { transition-delay: 80ms; }
.usps__grid .usp-card:nth-child(3) { transition-delay: 160ms; }
.usps__grid .usp-card:nth-child(4) { transition-delay: 240ms; }

.philosophy__grid .philosophy__principle:nth-child(1) { transition-delay: 0ms; }
.philosophy__grid .philosophy__principle:nth-child(2) { transition-delay: 80ms; }
.philosophy__grid .philosophy__principle:nth-child(3) { transition-delay: 160ms; }
.philosophy__grid .philosophy__principle:nth-child(4) { transition-delay: 240ms; }

.statement__highlights .statement__highlight:nth-child(1) { transition-delay: 0ms; }
.statement__highlights .statement__highlight:nth-child(2) { transition-delay: 100ms; }
.statement__highlights .statement__highlight:nth-child(3) { transition-delay: 200ms; }

/* ─── Enhanced Hover States ──────────────────── */
.service-card:hover {
    box-shadow: 0 0 20px rgba(200, 55, 45, 0.2), 0 12px 40px rgba(0, 0, 0, 0.3);
}

.philosophy__principle:hover {
    box-shadow: 0 0 15px rgba(200, 55, 45, 0.1);
    transform: translateY(-2px);
}

.method__stat {
    transition: all 0.25s ease;
}

.method__stat:hover {
    border-left-color: var(--color-accent-light);
    box-shadow: 0 0 15px rgba(200, 55, 45, 0.1);
    transform: translateX(4px);
}

.case-study-card:hover {
    box-shadow: 0 0 20px rgba(200, 55, 45, 0.15);
}

.process__step-number {
    transition: all 0.3s ease;
}

.process__step:hover .process__step-number {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 0 20px rgba(200, 55, 45, 0.3);
}

/* ─── Cursor Pointer for Interactive Elements ─── */
.service-card,
.philosophy__principle,
.usp-card,
.method__stat,
.case-study-card {
    cursor: default;
}

.faq__question {
    cursor: pointer;
}

/* ─── Page Transition ────────────────────────── */
body {
    animation: pageIn 0.35s ease-out;
}

@keyframes pageIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ─── Portfolio Category Headers ────────────── */
.portfolio-category {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

/* ─── Case Study Grid (2 columns, same as philosophy) ── */
.case-study-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.case-study-card--compact {
    padding: 1.75rem;
}

.case-study-card--compact .case-study-header {
    margin-bottom: 1rem;
}

.case-study-card--compact .case-study-title {
    font-size: 1.05rem;
    margin-bottom: 0;
}

.case-study-card--compact .case-study-text {
    margin-bottom: 1rem;
    display: block;
}

.case-study-card--compact .case-study-body {
    display: block;
}

.case-study-card--compact .case-study-text p {
    color: var(--color-text-secondary, #a0a0a8);
    font-size: 0.9rem;
    line-height: 1.7;
}

.case-study-stats--row {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.case-study-stats--row .case-stat-value {
    font-size: 1.25rem;
}

@media (max-width: 768px) {
    .case-study-grid {
        grid-template-columns: 1fr;
    }
}

/* ─── Portfolio Timeline / Lernkurve ────────── */
.portfolio-timeline {
    margin-top: 3.5rem;
    padding: 2rem 2.5rem;
    background: var(--color-bg-elevated);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 2px 2px 0;
}

.portfolio-timeline-text {
    color: var(--color-text-secondary, #a0a0a8);
    font-size: 1rem;
    line-height: 1.7;
}

.portfolio-timeline-text strong {
    color: var(--color-accent);
    font-weight: 700;
}

@media (max-width: 640px) {
    .client-projects-grid {
        grid-template-columns: 1fr;
    }

    .client-project-card {
        flex-direction: column;
        gap: 1rem;
    }

    .portfolio-timeline {
        padding: 1.5rem;
    }

    /* ─── Mobile: Mehr Abstand zum Rand ───── */
    :root {
        --gap: clamp(1.25rem, 5vw, 2rem);
    }

    /* ─── Mobile: Case Study Cards kompakter ─── */
    .case-study-card {
        padding: 1.5rem;
    }

    .case-study-card--compact {
        padding: 1.25rem;
    }

    .case-study-title {
        font-size: 1.125rem;
        margin-bottom: 1.25rem;
    }

    .case-study-card--compact .case-study-title {
        font-size: 0.95rem;
    }

    .case-block {
        margin-bottom: 1.25rem;
    }

    .case-block p,
    .case-block li {
        font-size: 0.9rem;
    }

    .case-study-stats--row {
        gap: 1.25rem;
    }

    .case-study-stats--row .case-stat-value {
        font-size: 1.1rem;
    }

    .case-stat-value {
        font-size: 1.5rem;
    }

    /* ─── Mobile: Portfolio Kategorie-Header ─── */
    .portfolio-category {
        margin-top: 2.5rem !important;
        font-size: 0.8rem;
    }

    /* ─── Mobile: Section Headers ─── */
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    /* ─── Mobile: Statement Section ─── */
    .statement__inner {
        gap: 1.25rem;
    }

    /* ─── Mobile: Service Cards ─── */
    .service-card {
        padding: 1.5rem;
    }

    /* ─── Mobile: Method Stats ─── */
    .method__stat {
        padding: 1.25rem 1.5rem;
    }

    /* ─── Mobile: Philosophy Principles ─── */
    .philosophy__principle {
        padding: 1.5rem;
    }

    .philosophy__filter {
        padding: 1.5rem;
    }

    /* ─── Mobile: USP Cards ─── */
    .usp-card {
        padding: 1.5rem;
    }

    /* ─── Mobile: Contact ─── */
    .contact__inner {
        gap: 2rem;
    }

    /* ─── Mobile: Page Hero ─── */
    .page-hero {
        padding: 6rem 0 2rem;
    }
}