/**
 * Components - Cards, Buttons, Forms, Navigation
 */

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

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

.btn--secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn--secondary:hover {
    background: var(--glass-bg);
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
}

.btn--large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--font-size-lg);
}

.btn--small {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
}

.btn--icon {
    padding: var(--space-md);
    border-radius: var(--radius-full);
}

/* ============================================
   Glass Cards
   ============================================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.glass-card--no-hover:hover {
    transform: none;
    box-shadow: none;
}

/* Service Card */
.service-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card__btn {
    margin-top: auto;
}

.service-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
}

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

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

.service-card__description {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Feature Card */
.feature-card {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.feature-card__number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.feature-card__content {
    flex: 1;
}

.feature-card__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xs);
}

/* ============================================
   Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    padding: var(--space-md) 0;
    transition: background var(--transition-normal);
}

.header--scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

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

.header__logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
}

.header__logo-text {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.header__logo-tagline {
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--accent-primary);
    margin-top: 2px;
}

.header__logo:hover .header__logo-text {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-tertiary));
    -webkit-background-clip: text;
    background-clip: text;
}

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

.nav__list {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav__link {
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
    padding: var(--space-sm) 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-normal);
}

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

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

/* Mobile Navigation Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: transform var(--transition-normal);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero__content {
    max-width: 700px;
}

.hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Integration Diagram */
.integration-diagram {
    position: relative;
    width: 380px;
    height: 380px;
}

.node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    z-index: 2;
}

.node span {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.node--center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    justify-content: center;
    gap: 2px;
    color: var(--text-primary);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.4), 0 0 80px rgba(99, 102, 241, 0.15);
    animation: pulse-glow 3s ease-in-out infinite;
}

.node--center span {
    font-size: 0.85rem;
    font-weight: 700;
}

.node--orbit {
    width: 72px;
    height: 68px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.3s ease;
    padding: 6px 4px;
    text-align: center;
}

.node--orbit:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

/* Position orbit nodes in a circle */
.node--1 { top: -5px; left: 50%; transform: translateX(-50%); }
.node--2 { top: 16%; right: -5px; }
.node--3 { bottom: 16%; right: -5px; }
.node--4 { bottom: -5px; left: 50%; transform: translateX(-50%); }
.node--5 { bottom: 16%; left: -5px; }
.node--6 { top: 16%; left: -5px; }

/* Connection lines */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.conn-line {
    stroke: var(--accent-primary);
    stroke-width: 1;
    opacity: 0.2;
    stroke-dasharray: 6 4;
    animation: dash-flow 2s linear infinite;
}

.conn-line--1 { animation-delay: 0s; }
.conn-line--2 { animation-delay: 0.3s; }
.conn-line--3 { animation-delay: 0.6s; }
.conn-line--4 { animation-delay: 0.9s; }
.conn-line--5 { animation-delay: 1.2s; }
.conn-line--6 { animation-delay: 1.5s; }

.hero__tagline {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--accent-tertiary);
    margin-bottom: var(--space-lg);
}

.hero__title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-lg);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--space-2xl);
}

.hero__buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-header__title {
    margin-bottom: var(--space-md);
}

.section-header__description {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
}

/* ============================================
   Grid Layouts
   ============================================ */
.grid {
    display: grid;
    gap: var(--space-xl);
}

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

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ============================================
   Forms
   ============================================ */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form__label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

.form__input,
.form__textarea,
.form__select {
    padding: var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--text-dark);
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

.form__select {
    cursor: pointer;
}

.form__error {
    color: var(--accent-error);
    font-size: var(--font-size-sm);
}

.form__success {
    color: var(--accent-success);
    font-size: var(--font-size-base);
    padding: var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--glass-border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.footer__logo-text {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.footer__logo-tagline {
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--accent-primary);
    margin-top: 2px;
}

.footer__description {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.footer__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__list li {
    margin-bottom: var(--space-sm);
}

.footer__link {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

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

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-dark);
    font-size: var(--font-size-sm);
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
    text-align: center;
    padding: var(--space-3xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
}

.cta-banner__title {
    margin-bottom: var(--space-md);
}

.cta-banner__description {
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    color: var(--text-muted);
}

/* ============================================
   Stats
   ============================================ */
.stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat__number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat__label {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================
   Skills Grid
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.skill-category__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
    color: var(--accent-primary);
}

.skill-category__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.skill-category__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.skill-category__item::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-tertiary);
    border-radius: 50%;
}

/* ============================================
   Service Block (Services Page)
   ============================================ */
.service-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding: var(--space-3xl) 0;
}

.service-block:nth-child(even) {
    direction: rtl;
}

.service-block:nth-child(even) > * {
    direction: ltr;
}

.service-block__content {
    padding: var(--space-xl);
}

.service-block__icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.service-block__icon svg {
    width: 40px;
    height: 40px;
    color: var(--text-primary);
}

.service-block__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
}

.service-block__description {
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.service-block__features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-block__feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
}

.service-block__feature::before {
    content: '✓';
    color: var(--accent-success);
    font-weight: bold;
}

/* ============================================
   Contact Info
   ============================================ */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-info__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

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

.contact-info__icon svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
}

.contact-info__label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.contact-info__value {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

/* ============================================
   Process Steps
   ============================================ */
.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--glass-border);
}

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

.process-step__number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0 auto var(--space-lg);
    position: relative;
    z-index: 1;
}

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

.process-step__description {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================
   Case Study Accordion
   ============================================ */
.case-study__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: var(--space-md) 0;
}

.case-study__title {
    margin: 0;
    font-size: var(--font-size-lg);
}

.case-study__toggle {
    color: var(--accent-primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.case-study--open .case-study__toggle {
    transform: rotate(180deg);
}

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

.case-study--open .case-study__content {
    max-height: 3000px;
    padding-top: var(--space-lg);
    padding-bottom: var(--space-md);
    border-top: 1px solid var(--glass-border);
}

.case-study__section {
    margin-bottom: 1.5rem;
}

.case-study__results {
    list-style: none;
    padding: 0;
    margin: 0;
}

.case-study__result {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.case-study__result-icon {
    color: var(--accent-primary);
    flex-shrink: 0;
    margin-top: 0.1rem;
    font-weight: bold;
    font-size: 1.2rem;
}

/* ============================================
   Savings Grid
   ============================================ */
.savings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.savings-item {
    background: rgba(var(--accent-primary-rgb), 0.05);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
}

.savings-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.savings-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ============================================
   Example Cards (Homepage)
   ============================================ */
.example-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.example-saving {
    display: inline-block;
    margin-top: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--accent-success);
}

/* ============================================
   Utility Classes
   ============================================ */
.mb-lg {
    margin-bottom: 2rem;
}

.mt-lg {
    margin-top: 1.5rem;
}

.mb-sm {
    margin-bottom: 0.5rem;
}

.text-accent {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1.125rem;
}

/* FAQ */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--glass-bg, rgba(255, 255, 255, 0.04));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.08));
    border-radius: 14px;
    padding: 0;
    overflow: hidden;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.faq-item[open] {
    border-color: rgba(255, 255, 255, 0.16);
}

.faq-item__question {
    cursor: pointer;
    padding: 1.1rem 1.4rem;
    font-weight: 600;
    font-size: 1.05rem;
    list-style: none;
    position: relative;
    padding-right: 3rem;
    color: var(--text-primary, #fff);
}

.faq-item__question::-webkit-details-marker {
    display: none;
}

.faq-item__question::after {
    content: "+";
    position: absolute;
    right: 1.4rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1;
    color: var(--accent-primary, #8b5cf6);
    transition: transform 0.2s ease;
}

.faq-item[open] .faq-item__question::after {
    content: "−";
}

.faq-item__answer {
    padding: 0 1.4rem 1.2rem;
    color: var(--text-muted, rgba(255, 255, 255, 0.7));
    line-height: 1.6;
}

.faq-item__answer p {
    margin: 0;
}