/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.header__logo {
    display: flex;
    align-items: center;
}

.header__logo img {
    max-height: 45px;
    width: auto;
}

.header__logo-text {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
}

/* Navigation */
.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav__link {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text);
    padding: var(--space-2) 0;
    position: relative;
}

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

.nav__link:hover,
.nav__item--active .nav__link {
    color: var(--color-secondary);
}

.nav__link:hover::after,
.nav__item--active .nav__link::after {
    width: 100%;
}

/* Mobile Toggle */
.header__mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
}

.header__mobile-icon--close {
    display: none;
}

.header__mobile-toggle.active .header__mobile-icon {
    display: none;
}

.header__mobile-toggle.active .header__mobile-icon--close {
    display: block;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-background);
    padding: var(--space-8) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.mobile-menu__list a {
    display: block;
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu__cta {
    margin-top: var(--space-8);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    padding: calc(80px + var(--space-20)) 0 var(--space-20);
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--gradient-subtle);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(67, 97, 238, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero__content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero__title {
    margin-bottom: var(--space-6);
}

.hero__title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__text {
    font-size: var(--text-xl);
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

.hero__ctas {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: var(--space-12);
    margin-top: var(--space-16);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.hero__stat {
    text-align: left;
}

.hero__stat-number {
    font-family: var(--font-accent);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-secondary);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.hero__stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: calc(80px + var(--space-12)) 0 var(--space-12);
    }

    .hero__stats {
        flex-direction: column;
        gap: var(--space-6);
    }
}

/* ==========================================================================
   Social Proof / Logos
   ========================================================================== */

.logos {
    padding: var(--space-12) 0;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

.logos__text {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-8);
}

.logos__grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.logos__item {
    opacity: 0.5;
    filter: grayscale(100%);
    transition: all var(--transition-base);
    max-height: 40px;
}

.logos__item:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.service-card {
    background: var(--color-background);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.service-card__icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.service-card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.service-card__text {
    color: var(--color-text-light);
    margin-bottom: var(--space-4);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: var(--font-semibold);
    color: var(--color-secondary);
}

.service-card__link svg {
    transition: transform var(--transition-fast);
}

.service-card__link:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   Stats Section
   ========================================================================== */

.stats {
    background: var(--color-primary);
    color: white;
    text-align: center;
}

.stats .section-header__title {
    color: white;
}

.stats .section-header__text {
    color: rgba(255, 255, 255, 0.7);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

@media (max-width: 640px) {
    .stats__grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

.stat-item {
    padding: var(--space-8);
}

.stat-item__number {
    font-family: var(--font-accent);
    font-size: var(--text-6xl);
    font-weight: var(--font-bold);
    line-height: 1;
    margin-bottom: var(--space-2);
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item__label {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================================
   How It Works / Process
   ========================================================================== */

.process__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    position: relative;
}

.process__grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: var(--color-border);
}

@media (max-width: 1024px) {
    .process__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process__grid::before {
        display: none;
    }
}

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

.process-step {
    text-align: center;
    position: relative;
}

.process-step__number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-family: var(--font-accent);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    border-radius: 50%;
    margin: 0 auto var(--space-6);
    position: relative;
    z-index: 1;
}

.process-step__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.process-step__text {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

/* ==========================================================================
   Case Studies
   ========================================================================== */

.case-studies__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

@media (max-width: 1024px) {
    .case-studies__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.case-study-card {
    background: var(--color-background);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.case-study-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.case-study-card__image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-surface);
}

.case-study-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.case-study-card:hover .case-study-card__image img {
    transform: scale(1.05);
}

.case-study-card__content {
    padding: var(--space-6);
}

.case-study-card__industry {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-surface);
    color: var(--color-secondary);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
}

.case-study-card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.case-study-card__result {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.case-study-card__result-number {
    font-family: var(--font-accent);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-success);
}

.case-study-card__result-label {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.case-study-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: var(--font-semibold);
    color: var(--color-secondary);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta-section {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-section__title {
    color: white;
    margin-bottom: var(--space-4);
}

.cta-section__text {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn--primary {
    background: white;
    color: var(--color-secondary);
}

.cta-section .btn--primary:hover {
    background: var(--color-surface);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-20) 0 var(--space-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

.footer__logo {
    display: inline-block;
    margin-bottom: var(--space-4);
}

.footer__logo img {
    max-height: 40px;
    filter: brightness(0) invert(1);
}

.footer__logo-text {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: white;
}

.footer__tagline {
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.footer__social {
    display: flex;
    gap: var(--space-3);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: white;
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background: var(--color-secondary);
    color: white;
}

.footer__heading {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: white;
    margin-bottom: var(--space-4);
}

.footer__nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer__nav a:hover {
    color: white;
}

.footer__contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer__contact-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer__contact-icon {
    color: var(--color-secondary);
}

.footer__contact-list a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

.footer__contact-list a:hover {
    color: white;
}

.footer__cta {
    margin-top: var(--space-6);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 640px) {
    .footer__bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

.footer__copyright {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.footer__legal {
    display: flex;
    gap: var(--space-6);
}

.footer__legal a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer__legal a:hover {
    color: white;
}

/* ==========================================================================
   Page Headers
   ========================================================================== */

.page-header {
    padding: calc(80px + var(--space-16)) 0 var(--space-16);
    background: var(--gradient-subtle);
    text-align: center;
}

.page-header__title {
    margin-bottom: var(--space-4);
}

.page-header__text {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Contact Page
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

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

.contact-form {
    background: var(--color-background);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.contact-info__item {
    display: flex;
    gap: var(--space-4);
}

.contact-info__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: white;
    flex-shrink: 0;
}

.contact-info__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.contact-info__text {
    font-size: var(--text-base);
    color: var(--color-text-light);
    margin: 0;
}

.contact-info__text a {
    color: var(--color-secondary);
}

.calendly-embed {
    margin-top: var(--space-8);
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 500px;
    background: var(--color-surface);
}

/* ==========================================================================
   Single Case Study
   ========================================================================== */

.case-study-single__header {
    padding: calc(80px + var(--space-16)) 0 var(--space-8);
    background: var(--gradient-subtle);
}

.case-study-single__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.case-study-single__results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    padding: var(--space-10);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    margin: calc(-1 * var(--space-16)) auto var(--space-12);
    max-width: 900px;
    position: relative;
    z-index: 1;
}

@media (max-width: 640px) {
    .case-study-single__results {
        grid-template-columns: 1fr;
        margin-top: var(--space-8);
    }
}

.result-item {
    text-align: center;
}

.result-item__number {
    font-family: var(--font-accent);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-success);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.result-item__label {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-study-single__content {
    max-width: 800px;
    margin: 0 auto;
}

.case-study-single__section {
    margin-bottom: var(--space-12);
}

.case-study-single__section h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--color-border);
}

.testimonial-box {
    background: var(--color-surface);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    position: relative;
    margin: var(--space-12) 0;
}

.testimonial-box::before {
    content: '"';
    font-family: Georgia, serif;
    font-size: 120px;
    line-height: 1;
    color: var(--color-secondary);
    opacity: 0.1;
    position: absolute;
    top: -20px;
    left: 20px;
}

.testimonial-box__quote {
    font-size: var(--text-xl);
    font-style: italic;
    color: var(--color-primary);
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
}

.testimonial-box__author {
    font-weight: var(--font-semibold);
    color: var(--color-primary);
}

.testimonial-box__role {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

/* ==========================================================================
   404 Page
   ========================================================================== */

.error-404 {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-20) 0;
}

.error-404__number {
    font-family: var(--font-accent);
    font-size: clamp(100px, 20vw, 200px);
    font-weight: var(--font-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-4);
}

.error-404__title {
    margin-bottom: var(--space-4);
}

.error-404__text {
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
}