/* ========================================
   310 MOTORS — Audi-Inspired Design System
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
    --black: #000000;
    --near-black: #0D0D0D;
    --charcoal: #1A1A1A;
    --dark-gray: #2A2A2A;
    --mid-gray: #4A4A4A;
    --gray: #6A6A6A;
    --light-gray: #8A8A8A;
    --silver: #CCCCCC;
    --off-white: #F2F2F2;
    --white: #FFFFFF;
    --red: #BB0A1E;
    --red-hover: #D40C22;
    --red-dark: #8A0716;
    --red-glow: rgba(187, 10, 30, 0.15);
    --font: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    --transition: 0.3s ease;
    --transition-fast: 0.2s ease;
}

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

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

body {
    font-family: var(--font);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--white);
    background: var(--black);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ---------- Utility ---------- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-label {
    display: block;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--red);
    margin-bottom: 12px;
}

.section-label--light {
    color: var(--red);
}

.section-title {
    font-size: 44px;
    font-weight: 700;
    color: var(--near-black);
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}

.section-title--light {
    color: var(--white);
}

.section-subtitle {
    font-size: 18px;
    font-weight: 300;
    color: var(--silver);
    margin-bottom: 48px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    font-family: var(--font);
    border-radius: 6px;
}

.btn--red {
    background: var(--red);
    color: var(--white);
}

.btn--red:hover {
    background: var(--red-hover);
}

.btn--outline {
    background: transparent;
    color: var(--silver);
    border: 1px solid var(--mid-gray);
}

.btn--outline:hover {
    border-color: var(--silver);
    color: var(--white);
}

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

/* ========================================
   NAVIGATION
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition);
    background: transparent;
}

.nav--scrolled {
    background: rgba(13, 13, 13, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--red);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    height: 80px;
    transition: height var(--transition);
}

.nav--scrolled .nav__container {
    height: 60px;
}

.nav__logo img {
    height: 99px;
    margin-top: 36px;
    width: auto;
    transition: height var(--transition);
}

.nav--scrolled .nav__logo img {
    height: 30px;
    margin-top: 0;
}

.nav__links {
    display: flex;
    gap: 36px;
}

.nav__links a {
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--white);
    position: relative;
}

.nav__links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--red);
    transition: width var(--transition);
}

.nav__links a:hover::after {
    width: 100%;
}

.nav__links a:hover {
    color: var(--red);
}

.nav__phone {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--white);
}

.nav__phone:hover {
    color: var(--red);
}

.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    z-index: 1001;
}

.nav__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition);
}

.nav__hamburger--active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger--active span:nth-child(2) {
    opacity: 0;
}

.nav__hamburger--active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.97);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.mobile-menu--open {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu__links {
    text-align: center;
}

.mobile-menu__links li {
    margin-bottom: 32px;
}

.mobile-menu__links a {
    font-size: 24px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--white);
    transition: color var(--transition-fast);
}

.mobile-menu__links a:hover {
    color: var(--red);
}

.mobile-menu__phone {
    color: var(--red) !important;
    font-weight: 600 !important;
}

/* ========================================
   HERO
   ======================================== */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.45) 0%,
        rgba(0, 0, 0, 0.25) 40%,
        rgba(0, 0, 0, 0.5) 70%,
        rgba(0, 0, 0, 0.75) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.hero__title {
    font-size: 64px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
    line-height: 1.1;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero__subtitle {
    font-size: 20px;
    font-weight: 300;
    color: var(--silver);
    letter-spacing: 3px;
    margin-bottom: 40px;
    text-transform: uppercase;
}

.hero__cta {
    padding: 18px 48px;
    font-size: 15px;
    border-radius: 8px;
}

/* ========================================
   ABOUT
   ======================================== */
.about {
    background: var(--off-white);
    padding: 100px 0;
}

.about__header {
    margin-bottom: 60px;
}

.about__grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    align-items: start;
}

.about__text p {
    font-size: 17px;
    font-weight: 300;
    line-height: 1.85;
    color: var(--mid-gray);
    margin-bottom: 24px;
}

.about__text p:last-child {
    margin-bottom: 0;
}

.about__image img {
    width: 100%;
    height: auto;
}

.about__footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: center;
    margin-top: 60px;
}

.about__tagline {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--near-black);
    margin: 0;
    padding-right: 40px;
    border-right: 4px solid var(--red);
    text-align: right;
}

.about__cta {
    font-size: 22px;
    font-weight: 300;
    color: var(--mid-gray);
    margin: 0;
    padding-left: 40px;
    line-height: 1.6;
}

.about__cta a {
    color: var(--red);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.about__cta a:hover {
    color: var(--red-hover);
}

/* ========================================
   VALUATION FORM
   ======================================== */
.valuation {
    background: var(--charcoal);
    padding: 100px 0;
}

.valuation__header {
    text-align: center;
    margin-bottom: 48px;
}

.valuation__form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

/* Step Indicator */
.syc-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.syc-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: default;
}

.syc-step__num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--mid-gray);
    color: var(--mid-gray);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
    border-radius: 6px;
}

.syc-step--active .syc-step__num {
    border-color: var(--red);
    color: var(--white);
    background: var(--red);
    border-radius: 6px;
}

.syc-step--done .syc-step__num {
    border-color: var(--white);
    color: var(--white);
    background: transparent;
    cursor: pointer;
    border-radius: 6px;
}

.syc-step__label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--mid-gray);
    margin-top: 8px;
    transition: color var(--transition);
}

.syc-step--active .syc-step__label {
    color: var(--white);
}

.syc-step__line {
    width: 80px;
    height: 2px;
    background: var(--mid-gray);
    margin: 0 16px;
    margin-bottom: 20px;
    transition: background var(--transition);
}

.syc-step__line--active {
    background: var(--red);
}

/* Form Container */
.syc-form {
    background: var(--dark-gray);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 0 20px #00000042;
}

.syc-form__title {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 32px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Form Elements (shared between valuation + contact) */
.form-group {
    margin-bottom: 20px;
}

.form-group--half {
    flex: 1;
    min-width: 0;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--silver);
    margin-bottom: 8px;
}

.form-required {
    color: var(--red);
}

.form-optional {
    color: var(--light-gray);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--charcoal);
    border: 1px solid var(--mid-gray);
    color: var(--white);
    font-family: var(--font);
    font-size: 15px;
    font-weight: 400;
    transition: border-color var(--transition-fast);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-input::placeholder {
    color: var(--gray);
}

.form-input:focus {
    border-color: var(--red);
}

.form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%238A8A8A'%3E%3Cpath d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-select option {
    background: var(--charcoal);
    color: var(--white);
}

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

.form-input--short {
    max-width: 200px;
}

.form-hint {
    display: block;
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 6px;
    font-weight: 300;
}

/* Condition Cards */
.condition-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.condition-card {
    padding: 20px;
    border: 2px solid var(--mid-gray);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.condition-card:hover {
    border-color: var(--silver);
}

.condition-card--selected {
    border-color: var(--red);
    background: var(--red-glow);
}

.condition-card__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
}

.condition-card__desc {
    font-size: 13px;
    color: var(--light-gray);
    font-weight: 300;
    line-height: 1.5;
}

/* Radio Group */
.radio-group {
    display: flex;
    gap: 12px;
}

.radio-option {
    padding: 10px 24px;
    border: 1px solid var(--mid-gray);
    font-size: 14px;
    font-weight: 500;
    color: var(--silver);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.radio-option:hover {
    border-color: var(--silver);
    color: var(--white);
}

.radio-option--selected {
    border-color: var(--red);
    background: var(--red-glow);
    color: var(--white);
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--mid-gray);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-fast);
    margin-top: 8px;
}

.upload-area:hover {
    border-color: var(--red);
}

.upload-area__icon {
    font-size: 32px;
    color: var(--light-gray);
    margin-bottom: 8px;
}

.upload-area__text {
    font-size: 14px;
    color: var(--silver);
    font-weight: 500;
}

.upload-area__subtext {
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 4px;
}

/* Photo Previews */
.photo-previews {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.photo-thumb {
    width: 80px;
    height: 80px;
    position: relative;
    overflow: hidden;
}

.photo-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-thumb__remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: var(--red);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: pointer;
    line-height: 1;
}

/* Vehicle Summary */
.syc-summary {
    background: var(--charcoal);
    padding: 20px 24px;
    margin-bottom: 24px;
    border-left: 3px solid var(--red);
}

.syc-summary__title {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--light-gray);
    margin-bottom: 12px;
}

.syc-summary__row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 15px;
    color: var(--white);
}

.syc-summary__label {
    color: var(--light-gray);
    font-weight: 500;
}

/* Form Navigation */
.syc-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
    gap: 16px;
}

/* Error Message */
.syc-error {
    background: rgba(187, 10, 30, 0.15);
    border: 1px solid var(--red);
    color: #ff6b7a;
    padding: 14px 20px;
    margin-top: 16px;
    font-size: 14px;
    cursor: pointer;
    text-align: center;
}

/* Success */
.syc-success {
    text-align: center;
    padding: 60px 40px;
}

.syc-success__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    border: 2px solid var(--red);
    font-size: 28px;
    color: var(--red);
}

.syc-success__title {
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.syc-success__text {
    font-size: 16px;
    color: var(--silver);
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: 8px;
}

.syc-success__phone {
    color: var(--red);
    font-weight: 600;
}

/* ========================================
   HOW IT WORKS
   ======================================== */
.how-it-works {
    background: var(--off-white);
    padding: 100px 0;
}

.how-it-works__header {
    text-align: center;
    margin-bottom: 72px;
}

.how-it-works__steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.step {
    text-align: center;
}

.step__number {
    font-size: 72px;
    font-weight: 700;
    color: var(--red);
    opacity: 0.25;
    line-height: 1;
    margin-bottom: 8px;
}

.step__line {
    width: 40px;
    height: 3px;
    background: var(--red);
    margin: 0 auto 24px;
}

.step__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--near-black);
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.step__desc {
    font-size: 15px;
    font-weight: 300;
    color: var(--mid-gray);
    line-height: 1.7;
}

/* ========================================
   RECENT ACQUISITIONS
   ======================================== */
.acquisitions {
    background: var(--near-black);
    padding: 100px 0;
}

.acquisitions__header {
    text-align: center;
    margin-bottom: 48px;
}

.acquisitions__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.acq-card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    cursor: pointer;
    border-radius: 8px;
}

.acq-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.5);
    transition: all 0.5s ease;
}

.acq-card:hover img {
    filter: grayscale(0);
    transform: scale(1.05);
}

.acq-card__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.acq-card:hover .acq-card__overlay {
    opacity: 1;
}

.acq-card__badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--red);
    color: var(--white);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   LIGHTBOX
   ======================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.lightbox--open {
    opacity: 1;
    pointer-events: all;
}

.lightbox__image {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    user-select: none;
}

.lightbox__close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 36px;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.lightbox__close:hover {
    background: var(--red);
}

.lightbox__prev,
.lightbox__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    font-size: 48px;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.lightbox__prev:hover,
.lightbox__next:hover {
    background: var(--red);
}

.lightbox__prev {
    left: 20px;
}

.lightbox__next {
    right: 20px;
}

.lightbox__counter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    background: rgba(0, 0, 0, 0.6);
    padding: 8px 20px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

/* ========================================
   FAQ
   ======================================== */
.faq {
    background: var(--off-white);
    padding: 100px 0;
}

.faq__header {
    text-align: center;
    margin-bottom: 60px;
}

.faq__list {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #ddd;
}

.faq-item:first-child {
    border-top: 1px solid #ddd;
}

.faq-item__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 17px;
    font-weight: 500;
    color: var(--near-black);
    text-align: left;
    cursor: pointer;
    background: none;
    border: none;
    transition: color var(--transition-fast);
}

.faq-item__question:hover {
    color: var(--red);
}

.faq-item__icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--red);
    transition: transform var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item--open .faq-item__icon {
    transform: rotate(45deg);
}

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

.faq-item--open .faq-item__answer {
    max-height: 300px;
}

.faq-item__answer p {
    padding-bottom: 24px;
    font-size: 15px;
    font-weight: 300;
    color: var(--mid-gray);
    line-height: 1.8;
}

/* ========================================
   CONTACT
   ======================================== */
.contact {
    background: var(--charcoal);
    padding: 100px 0;
}

.contact__header {
    text-align: center;
    margin-bottom: 60px;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: start;
}

.contact__info {
    padding-top: 20px;
}

.contact__info-item {
    margin-bottom: 40px;
}

.contact__info-label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--light-gray);
    margin-bottom: 8px;
}

.contact__info-item a {
    font-size: 22px;
    font-weight: 500;
    color: var(--white);
}

.contact__info-item a:hover {
    color: var(--red);
}

/* Contact Form */
.contact-form .form-input {
    background: var(--dark-gray);
}

.contact-form .form-textarea {
    min-height: 140px;
}

/* Form Status */
.form-status {
    padding: 14px 20px;
    margin-bottom: 16px;
    font-size: 14px;
    text-align: center;
}

.form-status--success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid #22c55e;
    color: #4ade80;
}

.form-status--error {
    background: rgba(187, 10, 30, 0.15);
    border: 1px solid var(--red);
    color: #ff6b7a;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--black);
    padding: 48px 0 32px;
    border-top: 1px solid var(--dark-gray);
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--dark-gray);
    margin-bottom: 24px;
}

.footer__logo img {
    height: 30px;
    width: auto;
}

.footer__links {
    display: flex;
    gap: 32px;
}

.footer__link {
    font-size: 13px;
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.footer__bottom p {
    font-size: 13px;
    color: var(--gray);
    text-align: center;
}

.footer__bottom a {
    color: var(--light-gray);
}

.footer__bottom a:hover {
    color: var(--red);
}

/* ========================================
   MODAL
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    padding: 40px;
}

.modal-overlay--open {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--dark-gray);
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    border-bottom: 1px solid var(--mid-gray);
    position: sticky;
    top: 0;
    background: var(--dark-gray);
    z-index: 1;
}

.modal__title {
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal__close {
    font-size: 28px;
    color: var(--silver);
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.modal__close:hover {
    color: var(--white);
}

.modal__body {
    padding: 32px;
}

.modal__body h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
    margin: 28px 0 12px;
}

.modal__body h2:first-child {
    margin-top: 0;
}

.modal__body p {
    font-size: 15px;
    font-weight: 300;
    color: var(--silver);
    line-height: 1.8;
    margin-bottom: 12px;
}

/* ========================================
   RESPONSIVE — Tablet
   ======================================== */
@media (max-width: 1024px) {
    .container {
        padding: 0 32px;
    }

    .hero__title {
        font-size: 48px;
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about__footer {
        grid-template-columns: 1fr;
        gap: 32px;
        margin-top: 48px;
    }

    .about__tagline {
        border-right: none;
        border-bottom: 4px solid var(--red);
        padding-right: 0;
        padding-bottom: 24px;
    }

    .about__cta {
        padding-left: 0;
        padding-top: 8px;
    }

    .how-it-works__steps {
        gap: 40px;
    }

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

    .contact__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .section-title {
        font-size: 36px;
    }
}

/* ========================================
   RESPONSIVE — Mobile
   ======================================== */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav__links,
    .nav__phone {
        display: none;
    }

    .nav__hamburger {
        display: flex;
    }

    .nav__container {
        height: 64px;
        padding: 0 20px;
    }

    .hero__title {
        font-size: 36px;
        letter-spacing: 1px;
    }

    .hero__subtitle {
        font-size: 14px;
        letter-spacing: 2px;
    }

    .hero__cta {
        padding: 16px 32px;
        font-size: 13px;
    }

    .about,
    .valuation,
    .how-it-works,
    .acquisitions,
    .faq,
    .contact {
        padding: 72px 0;
    }

    .section-title {
        font-size: 30px;
    }

    .how-it-works__steps {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .acquisitions__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .syc-form {
        padding: 28px 20px;
    }

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

    .radio-group {
        flex-wrap: wrap;
    }

    .syc-nav {
        flex-direction: column-reverse;
        gap: 12px;
    }

    .syc-nav .btn {
        width: 100%;
    }

    .syc-step__label {
        font-size: 9px;
    }

    .syc-step__line {
        width: 40px;
        margin: 0 8px;
    }

    .footer__top {
        flex-direction: column;
        gap: 24px;
    }

    .footer__links {
        gap: 24px;
    }

    .about__tagline {
        font-size: 24px;
    }

    .contact__info-item a {
        font-size: 18px;
    }

    .faq-item__question {
        font-size: 15px;
    }

    .modal {
        margin: 20px;
    }

    .modal__header {
        padding: 20px;
    }

    .modal__body {
        padding: 20px;
    }

    .lightbox__close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 28px;
    }

    .lightbox__prev,
    .lightbox__next {
        width: 50px;
        height: 50px;
        font-size: 36px;
    }

    .lightbox__prev {
        left: 10px;
    }

    .lightbox__next {
        right: 10px;
    }

    .lightbox__counter {
        bottom: 20px;
        font-size: 14px;
        padding: 6px 16px;
    }
}

/* ========================================
   RESPONSIVE — Small Mobile
   ======================================== */
@media (max-width: 420px) {
    .hero__title {
        font-size: 28px;
    }

    .hero__subtitle {
        font-size: 12px;
    }

    .section-title {
        font-size: 26px;
    }

    .step__number {
        font-size: 56px;
    }

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

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--near-black);
}

::-webkit-scrollbar-thumb {
    background: var(--mid-gray);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray);
}

/* ---------- Selection ---------- */
::selection {
    background: var(--red);
    color: var(--white);
}

/* ---------- Remove number input spinners ---------- */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}