/* ==========================================================================
   Homepage + Shared Styles — stemforthefuture v3
   ========================================================================== */

/* ==========================================================================
   Shared Utilities
   ========================================================================== */

:root {
    --section-y: clamp(5rem, 8vw, 8rem);
}

.bg-light  { background: var(--color-surface); }
.bg-white  { background: var(--color-bg); }

/* Section header */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 3.5vw, 2.875rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 0.85rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.section-header .section-sub,
.section-sub {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.7;
    max-width: 520px;
    margin: 0 auto;
}

/* Eyebrow label */
.hp-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-white);
    background: var(--color-primary);
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-round);
    margin-bottom: 1rem;
}

.hp-eyebrow--light {
    color: var(--color-gold);
    background: rgba(255, 202, 58, 0.12);
}

/* Pill tags */
.hp-tag {
    display: inline-block;
    background: var(--color-blue-light);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-round);
    letter-spacing: 0.01em;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.82rem 1.85rem;
    border-radius: var(--radius-round);
    font-family: 'Poppins', sans-serif;
    font-size: 0.93rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition:
        background var(--transition),
        color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition),
        transform 0.18s var(--ease-spring);
    text-decoration: none;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 2px 12px rgba(27,45,79,0.25);
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
    box-shadow: 0 6px 24px rgba(27,45,79,0.35);
}

.btn-accent {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 2px 12px rgba(27,45,79,0.25);
}
.btn-accent:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
    box-shadow: 0 8px 28px rgba(27,45,79,0.40);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    box-shadow: var(--shadow-md);
}
.btn-white:hover {
    background: var(--color-white);
    color: var(--color-primary-dark);
}

.btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
    background: rgba(255,255,255,0.12);
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-outline-primary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-border);
}
.btn-outline-primary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ==========================================================================
   Accordion
   ========================================================================== */

.accordion {
    width: 100%;
}

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

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

.accordion__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    transition: color var(--transition);
}

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

.accordion__icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    position: relative;
    transition: background var(--transition), border-color var(--transition), transform 0.3s var(--ease-spring);
}

.accordion__icon::before,
.accordion__icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-primary);
    border-radius: 2px;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.accordion__icon::before { width: 10px; height: 1.5px; }
.accordion__icon::after  { width: 1.5px; height: 10px; }

.accordion__trigger[aria-expanded="true"] .accordion__icon {
    background: var(--color-accent);
    border-color: var(--color-accent);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon::before,
.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
    background: var(--color-white);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg);
}

.accordion__body {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s var(--ease-spring);
}

.accordion__body.is-open {
    max-height: 500px;
}

.accordion__body p {
    padding: 0 0 1.4rem;
    font-size: 0.93rem;
    color: var(--color-text-light);
    line-height: 1.75;
}

.accordion__body a {
    color: var(--color-accent);
    font-weight: 500;
}
.accordion__body a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Form Styles
   ========================================================================== */

.cf-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.cf-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.cf-field label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.01em;
}

.cf-field input,
.cf-field select,
.cf-field textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    font-family: 'Inter', sans-serif;
    font-size: 0.94rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition), box-shadow var(--transition);
    -webkit-appearance: none;
}

.cf-field input::placeholder,
.cf-field textarea::placeholder {
    color: var(--color-text-muted);
}

.cf-field input:focus,
.cf-field select:focus,
.cf-field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27,45,79,0.08);
}

.cf-field textarea {
    resize: vertical;
    min-height: 112px;
}

.cf-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cf-submit { margin-top: 0.5rem; }
.cf-submit .btn {
    width: 100%;
    padding: 0.95rem;
    font-size: 0.97rem;
}

.cf-status {
    font-size: 0.88rem;
    padding: 0.5rem 0;
    min-height: 1.5em;
}
.cf-status--success { color: #16A34A; }
.cf-status--error   { color: #DC2626; }

/* ==========================================================================
   SECTION 1 — HERO
   ========================================================================== */

.hp-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 10% 85%, rgba(151, 210, 251, 0.35) 0%, transparent 55%),
        linear-gradient(135deg, var(--color-blue-light) 0%, var(--color-surface-2) 40%, var(--color-white) 75%);
}

/* Slideshow */
.hp-hero__slides {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hp-hero__slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    animation: heroSlide 24s infinite;
    transform: scale(1.03);
    transition: transform 6s ease;
}

.hp-hero__slide:nth-child(1) { animation-delay:  0s; }
.hp-hero__slide:nth-child(2) { animation-delay:  6s; }
.hp-hero__slide:nth-child(3) { animation-delay: 12s; }
.hp-hero__slide:nth-child(4) { animation-delay: 18s; }

@keyframes heroSlide {
    0%   { opacity: 0;   transform: scale(1.06); }
    6%   { opacity: 1;   transform: scale(1.03); }
    25%  { opacity: 1;   transform: scale(1); }
    30%  { opacity: 0;   transform: scale(1); }
    100% { opacity: 0;   transform: scale(1.06); }
}

/* Overlay — elegant two-layer gradient */
.hp-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(to top, rgba(11,18,36,0.7) 0%, transparent 50%),
        linear-gradient(to bottom, rgba(11,18,36,0.3) 0%, transparent 40%),
        rgba(11,18,36,0.35);
}

/* Content */
.hp-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-text);
    padding-top: var(--header-height);
    padding-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hp-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-white);
    background: var(--color-primary);
    border: none;
    padding: 0.45rem 1.1rem;
    border-radius: var(--radius-round);
    margin-bottom: 1.5rem;
}

.hp-hero__title {
    font-size: clamp(2.75rem, 6.5vw, 5.25rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.025em;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    max-width: 780px;
}

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

.hp-hero__sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.7;
    color: var(--color-text-light);
    max-width: 620px;
    margin: 0 auto 2.5rem;
}

.hp-hero__btns {
    display: flex;
    gap: 0.85rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll indicator */
.hp-hero__scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hp-hero__scroll-indicator span {
    display: block;
    width: 22px;
    height: 36px;
    border: 1.5px solid rgba(27,45,79,0.25);
    border-radius: 11px;
    position: relative;
}

.hp-hero__scroll-indicator span::after {
    content: '';
    display: block;
    width: 3px;
    height: 7px;
    background: rgba(27,45,79,0.4);
    border-radius: 2px;
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 2s var(--ease-spring) infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0);    opacity: 1; }
    65%       { transform: translateX(-50%) translateY(10px); opacity: 0.3; }
}

/* ==========================================================================
   SECTION 2 — WHO WE ARE
   ========================================================================== */

.hp-who {
    padding: var(--section-y) 0;
    background: var(--color-bg);
}

.hp-who__inner {
    display: block;
    max-width: 720px;
}

.hp-who__img {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 5;
}

.hp-who__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.hp-who__img:hover img {
    transform: scale(1.03);
}

.hp-who__img-badge {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius-round);
    letter-spacing: 0.03em;
    box-shadow: var(--shadow-md);
}

.hp-who__text h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hp-who__text p {
    font-size: 1.02rem;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 1.1rem;
}

.hp-who__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.75rem 0;
}

/* ==========================================================================
   SECTION 3 — IMPACT STATS
   ========================================================================== */

.hp-impact {
    padding: var(--section-y) 0;
    background: var(--color-primary);
    position: relative;
    overflow: hidden;
}

.hp-impact::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(255,92,43,0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hp-impact .section-header {
    margin-bottom: 3.5rem;
}

.hp-impact .section-header h2 {
    color: var(--color-white);
}

.hp-impact .section-header .hp-eyebrow--light {
    color: var(--color-gold);
}

.hp-impact .section-sub {
    color: rgba(255,255,255,0.55);
}

.hp-impact__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    position: relative;
    z-index: 1;
}

.hp-stat-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-xl);
    padding: 2.25rem 1.75rem;
    text-align: center;
    transition:
        background var(--transition),
        border-color var(--transition),
        transform 0.25s var(--ease-spring),
        box-shadow var(--transition);
}

.hp-stat-card:hover {
    background: rgba(255,255,255,0.09);
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.hp-stat-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: rgba(255,202,58,0.12);
    border-radius: 50%;
    margin: 0 auto 1.35rem;
    color: var(--color-gold);
    transition: background var(--transition), transform 0.25s var(--ease-spring);
}

.hp-stat-card:hover .hp-stat-card__icon {
    background: rgba(255,202,58,0.2);
    transform: scale(1.1);
}

.hp-stat-card__num {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.4rem, 2.2vw, 1.875rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}

.hp-stat-card__label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.45;
}

/* ==========================================================================
   SECTION 4 — PROGRAMS
   ========================================================================== */

.hp-programs {
    padding: var(--section-y) 0;
    background: var(--color-surface);
}

.hp-programs__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.hp-prog-card {
    background: var(--color-bg);
    border: 1.5px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    transition:
        box-shadow 0.28s var(--ease-spring),
        transform 0.28s var(--ease-spring),
        border-color var(--transition);
}

.hp-prog-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.hp-prog-card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.4rem;
    flex-shrink: 0;
    transition: transform 0.25s var(--ease-spring);
}

.hp-prog-card:hover .hp-prog-card__icon {
    transform: scale(1.08);
}

.hp-prog-card__icon--blue {
    background: var(--color-blue-light);
    color: var(--color-primary);
}

.hp-prog-card__icon--lavender {
    background: var(--color-lavender);
    color: #6D28D9;
}

.hp-prog-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.hp-prog-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 1.5rem;
    flex: 1;
}

.hp-prog-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.6rem;
    list-style: none;
    padding: 0;
}

.hp-prog-card__tags li {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-surface);
    color: var(--color-text-muted);
    padding: 0.28rem 0.7rem;
    border-radius: var(--radius-round);
}

.hp-prog-card__link {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: color var(--transition), gap var(--transition);
}

.hp-prog-card__link:hover {
    color: var(--color-accent);
    gap: 0.55rem;
}

.hp-programs__cta {
    text-align: center;
}

/* ==========================================================================
   SECTION 5 — FOUNDER MESSAGE
   ========================================================================== */

.hp-founder {
    padding: var(--section-y) 0;
    background: var(--color-bg);
}

.hp-founder__inner {
    display: block;
    max-width: 720px;
    margin: 0 auto;
}

.hp-founder__img {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 3 / 4;
    box-shadow: var(--shadow-lg);
}

.hp-founder__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.hp-founder__img:hover img {
    transform: scale(1.03);
}

.hp-founder__img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(27,45,79,0.3) 0%, transparent 50%);
}

.hp-founder__content {
    display: flex;
    flex-direction: column;
}

.hp-founder__quote {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.3rem, 2.2vw, 1.75rem);
    font-weight: 700;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.35;
    border-left: 3px solid var(--color-accent);
    padding-left: 1.5rem;
    margin: 1.25rem 0 1.75rem;
    letter-spacing: -0.01em;
}

.hp-founder__content p {
    font-size: 0.975rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.hp-founder__sig {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin-top: 2rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--color-border-subtle);
}

.hp-founder__sig strong {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
}

.hp-founder__sig span {
    font-size: 0.86rem;
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
}

/* ==========================================================================
   SECTION 6 — DONATION CTA
   ========================================================================== */

.hp-donate {
    position: relative;
    padding: var(--section-y) 0;
    background: var(--color-primary);
    overflow: hidden;
}

/* Decorative ambient glow */
.hp-donate::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,92,43,0.18) 0%, transparent 70%);
    top: -150px;
    right: -100px;
    pointer-events: none;
}

.hp-donate::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,202,58,0.1) 0%, transparent 70%);
    bottom: -80px;
    left: -60px;
    pointer-events: none;
}

.hp-donate__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(17,29,53,0.5) 0%, transparent 100%);
    z-index: 0;
}

.hp-donate__content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hp-donate__content h2 {
    font-size: clamp(1.875rem, 4vw, 3rem);
    color: var(--color-white);
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    font-weight: 800;
    max-width: 600px;
}

.hp-donate__content > p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.hp-donate__supports {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    justify-content: center;
    margin-bottom: 2.75rem;
    list-style: none;
    padding: 0;
}

.hp-donate__supports li {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
    color: rgba(255,255,255,0.8);
    font-size: 0.86rem;
    font-weight: 500;
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius-round);
    backdrop-filter: blur(4px);
}

.hp-donate__btns {
    display: flex;
    gap: 0.85rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   SECTION 7 — RESEARCH & IMPACT
   ========================================================================== */

.hp-research {
    padding: var(--section-y) 0;
    background: var(--color-surface);
}

.hp-research__inner {
    display: block;
    max-width: 720px;
}

.hp-research__text h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hp-research__text p {
    font-size: 1.02rem;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 1.1rem;
}

.hp-research__text .btn {
    margin-top: 1rem;
}

.hp-research__visual {
    margin-top: 2rem;
}

.hp-research__stat-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    margin-top: 2rem;
}

.hp-research__stat {
    background: var(--color-bg);
    border: 1.5px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.3rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    box-shadow: var(--shadow-sm);
}

.hp-research__stat-num {
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

.hp-research__stat-lbl {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
}

/* ==========================================================================
   SECTION 8 — FAQ
   ========================================================================== */

.hp-faq {
    padding: var(--section-y) 0;
    background: var(--color-bg);
}

.hp-faq__inner {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 5rem;
    align-items: start;
}

.hp-faq__left h2 {
    font-size: clamp(1.6rem, 2.8vw, 2.25rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 0.6rem;
    letter-spacing: -0.02em;
}

.hp-faq__left > p {
    font-size: 0.97rem;
    color: var(--color-text-light);
    margin-bottom: 2.25rem;
    line-height: 1.65;
}

.hp-faq__right {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.hp-faq__img {
    width: 100%;
    border-radius: var(--radius-xl);
    object-fit: cover;
    aspect-ratio: 4 / 3;
    box-shadow: var(--shadow-md);
    display: block;
}

.hp-faq__contact-card {
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.hp-faq__contact-card p {
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255,255,255,0.88);
}

/* ==========================================================================
   SECTION 9 — CONTACT
   ========================================================================== */

.hp-contact {
    padding: var(--section-y) 0;
    background: var(--color-surface);
}

.hp-contact__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    margin-bottom: 3.5rem;
}

.hp-contact-card {
    background: var(--color-bg);
    border: 1.5px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: 1.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition:
        box-shadow 0.28s var(--ease-spring),
        transform 0.28s var(--ease-spring),
        border-color var(--transition);
}

.hp-contact-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.hp-contact-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--color-blue-light);
    border-radius: var(--radius);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    transition: background var(--transition), transform 0.25s var(--ease-spring);
}

.hp-contact-card:hover .hp-contact-card__icon {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.08);
}

.hp-contact-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.01em;
}

.hp-contact-card a,
.hp-contact-card span {
    font-size: 0.88rem;
    color: var(--color-text-light);
    word-break: break-word;
    transition: color var(--transition);
}

.hp-contact-card a:hover {
    color: var(--color-accent);
}

.hp-contact__btns {
    display: flex;
    gap: 0.85rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   Responsive — Tablet ≤ 1024px
   ========================================================================== */

@media (max-width: 1024px) {
    .hp-who__inner,
    .hp-founder__inner,
    .hp-research__inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hp-who__img {
        aspect-ratio: 16 / 9;
        max-height: 460px;
    }

    .hp-founder__img {
        aspect-ratio: 3 / 2;
        max-height: 420px;
    }

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

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

    .hp-faq__right {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem;
    }

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

/* ==========================================================================
   Responsive — Mobile ≤ 768px
   ========================================================================== */

@media (max-width: 768px) {
    :root { --section-y: clamp(3.5rem, 6vw, 5rem); }

    .hp-hero {
        min-height: 100svh;
        align-items: flex-end;
        padding-bottom: 5rem;
    }

    .hp-hero__content {
        padding-top: 6rem;
    }

    .hp-hero__btns {
        flex-direction: column;
        align-items: center;
    }

    .hp-hero__btns .btn {
        min-width: 200px;
    }

    .hp-impact__grid {
        grid-template-columns: 1fr 1fr;
    }

    .hp-programs__grid {
        grid-template-columns: 1fr;
    }

    .hp-faq__right {
        grid-template-columns: 1fr;
    }

    .hp-research__stat-cards {
        grid-template-columns: 1fr 1fr;
    }

    .hp-contact__grid {
        grid-template-columns: 1fr;
    }

    .hp-contact__btns,
    .hp-donate__btns {
        flex-direction: column;
        align-items: center;
    }

    .hp-contact__btns .btn,
    .hp-donate__btns .btn {
        min-width: 220px;
    }

    .cf-row {
        grid-template-columns: 1fr;
    }

    .section-header {
        margin-bottom: 2.75rem;
    }
}

/* ==========================================================================
   Responsive — Small ≤ 480px
   ========================================================================== */

@media (max-width: 480px) {
    .hp-impact__grid {
        grid-template-columns: 1fr;
    }

    .hp-research__stat-cards {
        grid-template-columns: 1fr;
    }

    .hp-hero__title {
        font-size: clamp(2.25rem, 9vw, 3rem);
    }
}